Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8188746 | Tracking the positional relationship between a boring tool and at least one buried lines An arrangement is described for tracking a positional relationship between a boring tool and at least one in-ground line. A first transmitter generates a magnetic locating field from one of the boring tool or at least an underground length of the line. A receiver is... | 05/29/2012 |
| 8188745 | Precise location and orientation of a concealed dipole transmitter A method for determining the location of an underground sonde transmitter is disclosed. In some embodiments, the method includes measuring a set of complex electromagnetic field magnitude and phase strengths at one or more of positions while traversing a target sond... | 05/29/2012 |
| 8183867 | Localization system for an earth moving machine The invention relates to a localization system for localizing an underground object for an earthmoving machine comprising a working part. The localization system comprises a fastening component and a detector component. The fastening component can be arranged on the... | 05/22/2012 |
| 8164338 | Localization system for an earthmoving machine The invention relates to a localization system for localizing an underground object for an Earthmoving machine comprising a working part. Said localization system comprises a fastening component and a detector component. The fastening component can be arranged on th... | 04/24/2012 |
| 8159225 | Multi-frequency transmitter for a metal detector A method for generating a transmit signal for transmission including the steps of a) generating at least two selected rectangular wave signals, each having a different fundamental frequency; b) mixing the selected rectangular wave signals to produce a driving signal... | 04/17/2012 |
| 8115489 | Detector for detecting a current carrying conductor and a method of validating operation of the detector A detector for detecting a buried conductor comprises a plurality of antennas B, T. Each antenna B, T has a winding wound around the antenna, the winding being connected to a current source for providing a predefined current in the winding. When the predefined curre... | 02/14/2012 |
| 8106660 | Sonde array for use with buried line locators A sonde array that is useful in locating buried utilities includes at least three substantially mutually orthogonal antennas. Each antenna includes a substantially cylindrical ferromagnetic core, an insulating layer surrounding the core, and a length of a conductor ... | 01/31/2012 |
| 8080998 | Distinguishing false signals in cable locating using a reference signal A method is described for use with first and second in-ground cables such that, when the first cable is driven at a locating signal frequency to emit a locating signal in an electromagnetic form, the locating signal can be coupled to the second cable to cause the se... | 12/20/2011 |
| 8058875 | Detection of ground-laid wire using ultraviolet C-band radiation A system for tracing wire includes an electrical exciter adapted to apply a voltage to a ground-laid wire to generate a corona at an outer surface of the ground laid wire, at least a portion of the corona including ultraviolet c-band radiation, and an ultraviolet c-... | 11/15/2011 |
| 8058874 | System for and method of detecting a buried conductor A system for detecting a buried conductor comprises a transmitter for producing an alternating test current in the buried conductor and a receiver for detecting an electromagnetic field produced by the test current in the buried conductor. A communication link is pr... | 11/15/2011 |
| 8035390 | Omnidirectional sonde and line locator At least one antenna array including three mutually orthogonal antennas each sharing a common center point senses an electromagnetic signal emitted by a buried object such as a utility line, pipe or sonde. A circuit at least partially mounted in a housing is connect... | 10/11/2011 |
| 7999550 | Multi-sensor system for the detection and characterization of unexploded ordnance To fully characterize the inductive response of an isolated conductive object, such as buried unexploded ordinance, one needs to measure its response to stimulation by primary magnetic fields in three linearly independent (e.g., approximately orthogonal) directions.... | 08/16/2011 |
| 7994789 | Dual field search coil for pulse induction metal detectors A new dual field search coil for pulse induction metal detectors has multiple coplanar wire coils of different diameters connected in series with the output of a pulse source, overcoming the loss of target size resolution associated with a single coil search loop. S... | 08/09/2011 |
| 7990150 | Multifrequency locating arrangement with frequency designation In a system in which a transmitter is moved through the ground in a region, the system including a locating arrangement for tracking the position of and/or guiding the transmitter as the transmitter moves through the ground, a locating arrangement includes a configu... | 08/02/2011 |
| 7990151 | Tri-pod buried locator system A portable self-standing electromagnetic (EM) field sensing locator system with attachments for finding and mapping buried objects such as utilities and with intuitive graphical user interface (GUI) displays. Accessories include a ground penetrating radar (GPR) syst... | 08/02/2011 |
| 7990152 | Locating arrangement and method using boring tool and cable locating signals An arrangement and an associated method are described in which a boring tool is moved through the ground within a given region along a path in which region a cable is buried. The boring tool and the cable transmit a boring tool locating signal and a cable locating s... | 08/02/2011 |
| 7969151 | Pre-amplifier and mixer circuitry for a locator antenna A pre-amplifier circuit for connection to an antenna of a human-portable locator includes a differential amplifier/mixer pair and means for allowing a common-mode “phantom” signal to modulate a transfer function of the differential amplifier/mixer pair. The comm... | 06/28/2011 |
| 7960973 | Tracking positions of personnel, vehicles, and inanimate objects A device rotates at least one static magnetic field about an axis, producing a rotating magnetic dipole field, and is movable in relation to the surface of the ground. The field is periodically sensed using a receiver to produce a receiver output responsive to the f... | 06/14/2011 |
| 7956614 | Flux plane locating in an underground drilling system A portable locator and method for establishing the location of the cable line in a region which includes at least one generally straight electrically conductive cable line extending across the region from which cable line a locating signal includes a first arrangeme... | 06/07/2011 |
| 7952357 | Receiver system for determining the location of a magnetic field source A method and receiver system for identifying a location of a magnetic field source using two horizontally displaced tri-axial antennas. In a preferred embodiment two tri-axial antennas are positioned at opposite ends of a receiver frame. Each antenna detects in thre... | 05/31/2011 |
| 7948236 | Adaptive multichannel locator system for multiple proximity detection A man-portable locator system for locating buried or otherwise inaccessible pipes, conduits, cables, wires and inserted transmitters using detector arrays and stochastic signal processing and similar techniques to analyze and display multiple target objects at diffe... | 05/24/2011 |
| 7940049 | Portable wireless metal detector A portable electromagnetic metal detector includes a detection head placed at the end of a support stick. The detection head includes a transmitting coil and a receiving coil. The metal detector has, an electronic command and control box making it possible to operat... | 05/10/2011 |
| 7940048 | Locating device A locating device, in particular a hand-held locating device, for detecting objects enclosed in a medium, having a housing and at least one sensor system provided in a housing, as well as an opening penetrating the device. The opening in the measuring device and pen... | 05/10/2011 |
| 7919964 | Combined electromagnetic sensor and magnetometer A combined electromagnetic and magnetometer detection system for detecting objects. The system includes a primary electromagnetic transmitter for generating a primary magnetic field; an electromagnetic sensor for sensing secondary magnetic fields generated by a targ... | 04/05/2011 |
| 7888939 | Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal A boring tool is moved through the ground in a region which includes at least one electrically conductive in-ground line and which is subject to static magnetic fields including the magnetic field of the earth. Tracking a positional relationship between the boring t... | 02/15/2011 |
| 7884610 | Distinguishing false signals in cable locating Discriminating between a cable locating signal and a false cable locating signal is described. A reference signal, which contains a locating signal frequency impressed on it, is transmitted in a way which provides for detection of a phase shift between the locating ... | 02/08/2011 |
| 7847556 | Detector for detecting a buried current carrying conductor A detector 1 for detecting a buried current carrying conductor comprises a digital homodyne receiver. The receiver processes field strength signals induced in a pair of vertically spaced antennae 3, 5. The analogue to digital converter is an audio-grad... | 12/07/2010 |
| 7834631 | Locating arrangement and method using boring tool and cable locating signals An arrangement and an associated method are described in which a boring tool is moved through the ground within a given region along a path in which region a cable is buried. The boring tool and the cable transmit a boring tool locating signal and a cable locating s... | 11/16/2010 |
| 7830149 | Underground utility locator with a transmitter, a pair of upwardly opening pockets and helical coil type electrical cords A transmitter for use with an underground utilities locator including a portable elongate housing; an electronic circuit mounted in the housing and configured to generate an electrical output signal at a frequency suitable for tracing an underground utility; a pair ... | 11/09/2010 |
| 7816920 | Metal detector An exemplary metal detector includes a detecting circuit, a SCM, a converting circuit, and a cymometer. The SCM cooperates with the detecting circuit to generate a current signal with a specific frequency, the converting circuit transforms the current signal receive... | 10/19/2010 |
| 7786731 | Dipole locator using multiple measurement points A receiver and tracking system for identifying a location of a magnetic field source. In a preferred embodiment a plurality of tri-axial antennas are positioned at three distinct points on a receiver frame. Each antenna detects a magnetic field from a source and a p... | 08/31/2010 |
| 7772849 | Tracking positions of personnel, vehicles, and inanimate objects A device rotates at least one static magnetic field about an axis, producing a rotating magnetic dipole field, and is movable in relation to the surface of the ground. The field is periodically sensed using a receiver to produce a receiver output responsive to the f... | 08/10/2010 |
| 7768265 | Flux plane locating in an underground drilling system A portable locator and method for establishing the location of the cable line in a region which includes at least one generally straight electrically conductive cable line extending across the region from which cable line a locating signal includes a first arrangeme... | 08/03/2010 |
| 7759939 | Sensor for locating metallic objects and method for evaluating measurement signal of such a sensor A sensor for locating metallic objects, in particular a metal sensor for building materials, includes at least one transmission coil and at least one reception conductor loop system that are inductively coupled to one another. The reception conductor loop system is ... | 07/20/2010 |
| 7755360 | Portable locator system with jamming reduction A portable self-standing electromagnetic (EM) field sensing locator system with attachments for finding and mapping buried objects such as utilities and with intuitive graphical user interface (GUI) displays. Accessories include a ground penetrating radar (GPR) syst... | 07/13/2010 |
| 7741848 | Adaptive multichannel locator system for multiple proximity detection A man-portable locator system for locating buried or otherwise inaccessible pipes, conduits, cables, wires and inserted transmitters using detector arrays and stochastic signal processing and similar techniques to analyze and display multiple target objects at diffe... | 06/22/2010 |
| 7728595 | Multi-frequency in-ground locating signal frequency code identification and apparatus In a system in which a transmitter is moved through the ground in a region, the system including a locator for tracking the position of and/or guiding the transmitter as the transmitter moves through the ground, a locating signal is transmitted from the transmitter ... | 06/01/2010 |
| 7723990 | Method of displaying digital image for digital locating system and device for underground object detection An underground digital locating system includes a receiver capable of acquiring a signal produced by an underground object and displaying a digital representation of the orientation of underground object and of its depth. The system includes a carrying case for the ... | 05/25/2010 |
| 7710118 | Resonant pulse induction metal detector that transmits energy from high voltage flyback pulses A metal detector transmitting high current pulses and employing the high voltage back EMF signals which occur at their termination. The method employed uses a resonant tuned receive coil which provides a major improvement in the depth of detection of metallic object... | 05/04/2010 |
| 7705598 | Systems and methods useful for detecting presence and / or location of various materials The present invention provides systems and methods which can be employed to locate or detect presence of various materials, including nonferrous metals. These systems include new and useful sensors, circuits, systems and devices which power and/or interoperate with ... | 04/27/2010 |
