Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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 |
| 7049825 | DC ground fault detection with resistive centering A method for determining the nature of a ground fault in a floating direct voltage load powering context includes measuring the load voltage and the current at a nominal balance point, both before and after closing a circuit to the load. The fault resistance and the... | 05/23/2006 |
| 6962545 | Multi-range parallel-hybrid continuously variable transmission A parallel-hybrid transmission has one or more electrical motor/generator units, at least one of which moves in an anti-engine-wise direction in certain operational modes. The motor/generators are coaxially or concentrically arranged with the transmission input and ... | 11/08/2005 |
| 6940266 | Enhanced cost effective method for high current measurements An electrical connection between a power source and a threaded aperture in a power device is made by means of a terminal lug and a bolt. In order to measure the current, a second electrical path is made in parallel with the bolted connection, and current in the seco... | 09/06/2005 |
| 6917174 | Cost-effective measurement of large machine currents The increasing use of electrically powered vehicles has created a need for inexpensively and effectively measuring high currents for motor control, as for example digital motor control. Because the high operating voltages of traction motors, the motor current sensor... | 07/12/2005 |
| 6755111 | Missile launcher cell with exhaust gas uptake ducts, and array of such missile launcher cells An elongated missile launcher cell is structured to allow arraying into multiple-cell array. Each missile launcher cell of the array includes a support structure which accommodates a canisterized missile. Each cell also includes its own chimney and exhaust gas plenu... | 06/29/2004 |
| 6695373 | Transparent auto headrest A head restraint for a vehicle is in the form of a transparent net or membrane which is supported above and/or to the rear of the seat back, as for example by attachments to vehicle structure such as the roof, the rear shelf support structure, and/or the ... | 02/24/2004 |
| 6271781 | Nonlinear filter correction of multibit ΣƊ modulators A Σ-Ɗ analog-to-digital converter (ADC) 210 includes a multibit Σ-Ɗ modulator 216 and a feedback loop 240, 241 including a digital-to-analog converter (DAC) 241. A nonlinear filter corrector 250 coupled to the multibit output port 216o of the modulato... | 08/07/2001 |
| 6250253 | Method and apparatus for resuscitation of aquatic animals A fish resuscitating apparatus includes a container of pressurized oxygen-rich fluid medium such as a gas or liquid. A valve controllably couples the fluid medium to a dispensing tip which is dimensioned to fit within the mouth of the fish. The dispensing... | 06/26/2001 |
| 6203537 | Laser-driven acoustic ablation catheter An acoustic ablation catheter includes a mass cap mounted by a spring at the distal end of the catheter, to thereby form a structure capable of axial motion with a resonant frequency. The mass cap defines an aperture which may be used for a guide wire, fo... | 03/20/2001 |
| 6121864 | Security switch and method for installation thereof An electrical switch includes a magnetically actuated switch (16), such as a reed switch, and a permanent magnet (10). A path defining arrangement (14) is mechanically coupled (by track follower 210) to the permanent magnet, for allowing the magnet to mov... | 09/19/2000 |
| 6067936 | Method and apparatus for resuscitation of aquatic animals A fish resuscitating apparatus includes a container of pressurized oxygen-rich fluid medium such as a gas or liquid. A valve controllably couples the fluid medium to a dispensing tip which is dimensioned to fit within the mouth of the fish. The dispensing... | 05/30/2000 |
| 6045575 | Therapeutic method and internally illuminated garment for the management of disorders treatable by phototherapy An apparatus for treating neonatal jaundice is in the form of a garment (10, 40) which has semiconductor light sources (14, 214, 314) affixed thereto for radiating toward the "inside" of the garment when the infant is dressed in the garment. A portable en... | 04/04/2000 |
| 6045623 | Method and apparatus for cleaning catheter lumens A set (310) of lumen cleaning devices (310a, 310b, . . . ) is provided, with each consisting of a flexible shaft (312), a radial bristle brush (314) at one end of the shaft, and a swab (316) on the other end of the shaft. The brushes have particular brush... | 04/04/2000 |
| 5968067 | Surgical penile dilator instrument and method for its use A tool, for forming a cavity in a corpus cavernosa of a penis, includes a distal end (14), a longitudinally-extending cutting surface (16), and a main body portion (18). The cutting portion may be cylindrical or tapered, and may contain more than one long... | 10/19/1999 |
| 5925055 | Multimodal rotary abrasion and acoustic ablation catheter An ablation and cutting catheter (10), which may be used for angioplasty, includes a rotary shaft (20) adapted to be driven by a rotary motor (22). The shaft (20) is free for rotation and for some axial motion. The shaft (20) is coupled to a rotational-to... | 07/20/1999 |
| 5841868 | Trusted computer system A trusted computing system includes a computer, responsive to signals applied to its keyboard port. The system includes a keyboard for generating signals representing keystrokes. A card reader is coupled to the keyboard and to the computer keyboard port. ... | 11/24/1998 |
| 5819577 | Accessory kit for a bending brake for bending curves in sheet metal An accessory kit for a portable bending brake allows bends and rebends to be made in elongated sheet-metal workpieces. The bending brake with which the kit is used has an elongated bed, a clamp which bears against the bed, and a bending apron hinged to th... | 10/13/1998 |
| 5810860 | Easily fabricated rotary-drive acoustic ablation catheter An acoustic ablation catheter driven by a rotating shaft (18) includes a rotary-to-axial-motion converter (210), which includes a rotary driver (220, 420) in the form of a shell (222, 422) defining an inner surface (228, 428) which features a depressed gr... | 09/22/1998 |
| 5803897 | Penile prothesis with pump rotor directly actuated by rotating magnetic field A penile prosthesis includes a rotary pump for pressurizing a bag or chamber within the penis. The rotary pump includes a magnetically active rotor which, in one embodiment, is located within the penis, which can be made to spin by a rotary magnetic field... | 09/08/1998 |
| 5746390 | Air-land vehicle with ducted fan vanes providing improved performance A ducted fan 20 provides lift to a flying vehicle 10. The ducted fan includes direction control vanes (1, 2, 3, 4) for controlling torques applied to the vehicle, and also includes lift negation vanes (305, 306, 307, 308), which control the available lift... | 05/05/1998 |
| 5716389 | Cardiac ablation catheter arrangement with movable guidewire The catheter sensing and ablation arrangement allows location and cardiac abalation on a patient. The arrangement includes an electrically nonconductive catheter body, with a guide-wire lumen. The guidewire is electrically conductive, and, when the guidew... | 02/10/1998 |
| 5685961 | Method for fabrication of metallized medical devices Catheters and other medical devices include plural layers of metals applied to the outer surfaces, which tend to close minuscule cracks through which corrosion may attack the underlying support. In some avatars, the initial layer of material is preferably... | 11/11/1997 |
| 5593415 | Acoustic catheter with reduced friction drive An acoustic catheter (10) has a shaft (18) driven by a rotary motor (60). The shaft drives a rotary-to-axial motion converter (30) near the distal end (14) of the catheter. The converter (30) includes a rotary driver (42) with a wavy or sinusoidal bearing... | 01/14/1997 |
| 5586724 | Tapered plug foam spray apparatus A two-component foam spray gun is readily disassembled for cleaning. It includes a body (1) with reactant (12, 14) and purge gas (16) inlet ports. A moldable valve packing (32) inside the body has a tapered conical interior surface (142), and apertures wh... | 12/24/1996 |
| 5577701 | Christmas tree stand A tree stand includes a bowl 12 with a backpost 14 fastened therein. The backpost includes a set of jaws or teeth 40u which bear against the tree trunk. A set of upper and lower straps 60u and 60l is buckled to the backpost in a manner which allows the le... | 11/26/1996 |
| 5575771 | Balloon catheter with external guidewire A catheter (10) for use with a guidewire (40) includes an elongated, flexible body (12a) defining distal and proximal ends, and also defining a balloon inflation lumen (14) extending therethrough. A balloon (24) is affixed near the distal end, at a locati... | 11/19/1996 |
| 5569179 | Acoustic catheter with magnetic drive A catheter 10 according to the invention includes an elongated shaft 14 defining a distal end 12 and a proximal end 13. The proximal end of the shaft includes a coupling arrangement 15 for coupling to a rotary drive such as an external rotary motor. The c... | 10/29/1996 |
| 5505407 | Air-land vehicle A flying vehicle has wheels for highways, and a body and an engine. The body, engine and load define a center of mass (CG). Shrouded fans are located about the CG so as to produce, in conjunction with air jet redirection apparatus, the torques required to... | 04/09/1996 |
| 5470314 | Perfusion balloon catheter with differential compliance A perfusion balloon catheter (10), as for angioplasty by dilatation, has the balloon (30) formed so that, when inflated within a vas or coronary artery, one or more channels (40) are provided for the flow of bodily fluids or blood past the inflated balloo... | 11/28/1995 |
| 5423797 | Acoustic catheter with rotary drive An acoustic catheter reduces transmission losses and unwanted heating of the transmission member by driving the catheter a rotary motor. The catheter includes an elongated body and a shaft extending longitudinally therethrough. The shaft is adapted for co... | 06/13/1995 |
| 5421727 | Dental instrument with microwave/RF radiation and method of treating a tooth Dental or endodontic instruments such as drills, files, rasps, broaches, reamers, and the like are arranged to allow radiation of electromagnetic energy into a man-made or natural cavity in the tooth under treatment. The energy may be in the form of micro... | 06/06/1995 |
| 5363588 | Gotchya fishhook In accordance with the invention, a fishhook includes a shank portion and a curved hook portion. The hook portion includes a point at its end remote from the shank, and defines a cavity adjacent the point. The opening of the cavity faces the shank. A mova... | 11/15/1994 |
| 5295979 | Urinary catheter and system A urinary catheter and system includes a catheter with a drain lumen which is coated with oligodynamic metal and preferably arranged with a coating of a more noble metal for creating an iontophoretic galvanic couple, which drives antimicrobial ions into s... | 03/22/1994 |
| 5295955 | Method and apparatus for microwave aided liposuction Fatty tissue involved in a liposuction procedure is treated with microwave energy (also known as RF). In a particular embodiment of the invention, the microwave energy is applied by means of a catheter including a suction lumen, an electromagnetic transmi... | 03/22/1994 |
| 5150717 | Microwave aided balloon angioplasty with guide filament An angioplasty catheter includes a coaxial transmission line with an elongated center conductor and outer conductor. The transmission line terminates at the distal end in an antenna and a balloon. A longitudinal central bore through the center conductor i... | 09/29/1992 |
| 5129396 | Microwave aided balloon angioplasty with lumen measurement A multipurpose catheter apparatus for microwave aided balloon angioplasty includes a balloon capable of being filled with a lossy dielectric liquid, and bearing a metallization pattern. The catheter includes an electromagnetic transmission line. Radio fre... | 07/14/1992 |
| 5123617 | Spacecraft momentum unloading using controlled magnetic torques A method for maintaining the attitude of a three-axis controlled satellite by use of magnetic torquers includes using magnetometers for measuring the direction of the ambient geomagnetic field. The direction of the net reaction wheel momentum is also dete... | 06/23/1992 |
| 5108370 | Perfusion balloon catheter A perfusion balloon catheter, as for angioplasty, has the balloon formed so that, when inflated within a vas or coronary artery, one or more channels are provided for the flow of bodily fluids or blood past the inflated balloon. In one embodiment, the bal... | 04/28/1992 |
| 5097433 | Stack filter with one stage per bit A hierarchical stack filter performs nonlinear filtering operations such as median filtering and other rank-order filtering. The stack filter has a number of stages in the stack which equals the number of bits in the words of the input word sequence, and ... | 03/17/1992 |
| 5092543 | Spacecraft attitude control with avoidance constraint The attitude of a space vehicle is controlled to direct an instrument in a particular direction. For certain maneuvers, the reorientation may temporarily result in an undesirable orientation of the spacecraft. For example, the instrument may be a telescop... | 03/03/1992 |
