"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7475490 | Hand held yarn measuring device A handheld yarn measuring device (1) for monitoring yarn in yarn processing machines. The yarn measuring device includes a catcher (8), which when a trip lever (6) is actuated, places the yarn over a yarn applicator element (27) of a forc... | 01/13/2009 |
| 7325502 | Method and device for controlling the movement of a needle in a sewing machine A method and device for controlling movement of the needle in a sewing machine (1) based on a detection device (27), which detects the movements of the visible surface of the manually displaceable article to be sewn (3) is provided. The stitch f... | 02/05/2008 |
| 7234235 | Wire processing method of cross-linking coated wire In wire cross-linking process, after microwave is launched into the inside of the waveguide coaxial converter, the coated wire is inserted into the wire insertion pipe. The coated wire is cross-linked by high frequency heat and a coating insulator is adhered well to... | 06/26/2007 |
| 7216439 | Length measuring method and device Devices configured to measure a length of rope moving through the device are disclosed. The devices of the present invention employ a sheave mounted for rotating within a housing. A rotation measuring assembly may determine the number of rotations of the sheave, and... | 05/15/2007 |
| 7104146 | Position sensor comprising elastomeric material The present invention relates to transducers for converting the spatial position of an object into an electrical signal, more specific to a novel position sensor which has advantages of simplicity, long-term stability and durability. According to the invention, a po... | 09/12/2006 |
| 7047653 | Depth correction A method of determining the depth of equipment in an underground borehole, the equipment being suspended in the borehole by means of a cable extending from the surface into the well, comprises: (i) determining the amount of cable introduced into the well at the surf... | 05/23/2006 |
| 7007399 | Conduit measuring tool—device for measuring the length of electrical conduit My invention described is an electronic and mechanical tool used to measure jet line or string for the purpose of measuring electrical conduit lengths. This new process eliminates the manual labor required before calculating how long the conduit is and how much feed... | 03/07/2006 |
| 6957499 | Depthometer A depthometer for measuring a length of an elongate line. A main wheel is mounted upon a main body component and is in communication with a registering mechanism. Line guides are mounted upon a lower body component. An inner handle connected to the main body compone... | 10/25/2005 |
| 6853948 | Using conductive nipped rollers to measure media length Representative embodiments provide for an imaging apparatus including a controller, a first imaging engine and a second imaging engine, each coupled with the controller and configured to form images on sheet media, and a nip assembly configured to pass a sheet media... | 02/08/2005 |
| 6745487 | Downhole cable length measuring apparatus A wireline cable length measuring apparatus tracks the length and other parameters of a wireline cable in a well bore. The apparatus has three major components: a rotational distance measuring assembly; a rotation-to-length (rotation:length) calibration assembly; an... | 06/08/2004 |
| 6704655 | Method and apparatus for correcting the depth index for well-log data A wireline well-logging data acquisition system and method with corrected depth index. The system having a winch for reeling-in a wireline cable connected to a well-logging tool. A depth index device and a cable tension meter are connected to the wireline... | 03/09/2004 |
| 6691424 | Displacement measuring device A displacement measuring device includes a body which is movable on a plurality of rails and driven by a first shaft. An extension portion is connected to the body and a second shaft connected to the body extends through the extension portion. A first gea... | 02/17/2004 |
| 6442862 | Displacement measuring apparatus A displacement measuring appparatus is small in size and hence capable of avoiding interference with other units and further has its measurement accuracy hardly deteriorated. There are disposed pulleys for movement with respect to the body of the appartus... | 09/03/2002 |
| 5878381 | System and method for collecting data on tissue consumption A system and method for collecting data on individual and aggregate use of toilet tissue or other types of rolled absorbent paper in a public washroom includes a sensing system for sensing one or more characteristics of paper use at a particular dispensin... | 03/02/1999 |
| 5691919 | System and method for collecting data on tissue consumption A system and method for collecting data on individual and aggregate use of toilet tissue or other types of rolled absorbent paper in a public washroom includes a sensing system for sensing one or more characteristics of paper use at a particular dispensin... | 11/25/1997 |
| 5546672 | Magnetic mark detection A method and apparatus for detecting magnetic marks on a wireline logging cable and for more accurately making depth measurements during logging is described. The method uses depth-based, rather than time-based, samples and calculations. A Hall Effect sen... | 08/20/1996 |
| 5430665 | Apparatus and method for measuring length of moving elongated object A length measuring apparatus for accurately measuring the length of a communication cable or other elongated object in the moving state and a method for the same. The preferable length measuring apparatus is a combination of a marking system and encoder s... | 07/04/1995 |
| 5351531 | Depth measurement of slickline A depth measuring system for a slickline utilized in a well bore operation where the slickline is in a non-slip relationship with the circumference of a calibrated measuring wheel and the revolutions of the wheel are utilized to provide a first length mea... | 10/04/1994 |
| 5245760 | Cloth measuring apparatus Apparatus is provided for the lineal measurement of continuous or stranded materials, such as cloth, otherwise transported past such apparatus. A gravity operated contact wheel is used to bias the materials into engagement with a measuring wheel, the rota... | 09/21/1993 |
| 5155922 | Depth measuring device with wear resistant guide means A cable length measuring device, comprises guide rollers for maintaining the cable in a straight line along a given segment of a line, and two encoding wheels disposed tangentially to the straight segment cable; additional guides, the ends of which bearin... | 10/20/1992 |
| 5109598 | Method and apparatus for feeding cable to a cable processor The method and the apparatus for the performance of the method for feeding cable into an automatic cable-processing machine allows to move normal cables (18) and cables of reduced wall thickness at high speeds. The cable (18) is driven by the driving surf... | 05/05/1992 |
| 5067248 | Linear measuring apparatus A linear measuring apparatus for measuring elongated materials such as cables is disclosed. The apparatus includes a measuring station which includes two endless belts which run over two pulleys and between which the material to be measured is drawn. The ... | 11/26/1991 |
| 5060395 | Closed loop wire feeding and measuring apparatus and method of operating same Apparatus (10) comprising rotatable feed belts (16,18) driven by a reversible electric servo-motor (20) which is operated by a pre-programmed electronic controller (30) feeds accurately measured lengths of a wire strand (12), regardless of wire slippage w... | 10/29/1991 |
| 4982887 | Tag size differentiating system for continuous tag printing machines A tag size differentiating system for tag printing machines. The system determines the length of tags in a continuous tag web consisting of a series of identical tags having one of a predetermined set of possible lengths. The system includes means for mon... | 01/08/1991 |
| 4976047 | Apparatus and method for measuring the length of elastomeric articles A measuring apparatus and method for measuring the length of elongated elastomeric articles, such as rubber hose, which has a slide table and one or two measuring wheels which contact the hose as it passes over the slide table. The wheels are connected to... | 12/11/1990 |
| 4924596 | Method for correcting slippage during wireline depth measurements A method for measuring wireline depths in a borehole using paired encoder wheels frictionally engaging the wireline is disclosed. The method allows for the correction of the measurement from a slipping encoder wheel without corrupting the measurement from... | 05/15/1990 |
| 4852263 | Method for determining cable length in a well bore A measuring device is used for measuring the length of cable between a surface winch and a well tool in a well bore. A tension device measures tension on the cable supporting the well tool. Constant parameters for the cable, temperatures and coefficients ... | 08/01/1989 |
| 4794773 | Method of measuring camber A method of measuring camber in a sheet of metallic material comprises the steps of displacing the sheet between fixed guides in a plane perpendicular to the width of the sheet such that a point on a center of the sheet travels a predetermined distance, m... | 01/03/1989 |
| 4718168 | Cable length measurement correction system In a cable length measurement system, two tangential measuring wheels engage the outer surface or an armored electrical cable and a magnetic mark detector is used for detecting magnetic marks located at a predetermined spacing on the cable while a tension... | 01/12/1988 |
| 4535949 | Length measuring during rolling up of thin material A device for measuring the rolled-up length of web forming a roll when a web break has occurred during formation of the roll employs a web break indicator to indicate a web break. Normal web length measuring is carried out by counting pulses from a pulse ... | 08/20/1985 |
| 4400882 | System for measuring cable footage A system for accurately marking cables employs optical devices to measure the actual distance between periodic impressions and apparatus to adjust the marking apparatus to maintain a fixed distance between such impressions.... | 08/30/1983 |
| 4398348 | Device for measuring movement of material using a wheel rolling on the material A measuring device for measuring the distance of feed of cloth in a sewing machine, comprising a wheel driven by the cloth without slippage and located at the presser foot. A plurality of slits on the wheel are arranged to cooperate with two slits in the ... | 08/16/1983 |
| 4394740 | Computer adapted apparatus and method for pricing lengths of material Apparatus and method for measuring unit or remnant lengths of material, calculating the price and developing related sales information adapts to use in a system wherein the measuring and related data entry operations are performed at a plurality of termin... | 07/19/1983 |
| 4373266 | Equipment for continuously measuring the length of an endless material being wound up into a circular package Equipment for continuously measuring the length of an endless material, such as a yarn, which is being wound up on a machine into a circular package, the machine comprising a movable member whose position depends upon the diameter of the package. The meas... | 02/15/1983 |
| 4179817 | Method and apparatus for providing repeatable wireline depth measurements A depth measurement system produces independent signals, each presumably corresponding to the same movement of a wireline if produced under ideal wireline measurement conditions. The system utilizes the signals to provide an accurate and repeatable signal... | 12/25/1979 |
| 4144575 | Apparatus for dispensing fabric from a bolt Apparatus for dispensing fabric from a bolt in which the bolt is cradled in a loop of an endless belt and unwound by driving the belt. The length of fabric unwound is accurately measured by measuring the distance of belt travel, and provision is made for ... | 03/13/1979 |
| 4137638 | Electromechanical survey vehicle and method A method and vehicle are disclosed for surveying terrain by providing data from which three-dimensional coordinates of the path of the vehicle on the terrain are calculated. The vehicle includes two members articulated to one another and each member is su... | 02/06/1979 |
| 4117600 | Method and apparatus for providing repeatable wireline depth measurements A depth measurement system particularly suitable for automatically driving a recorder under varying wireline measurement conditions for repeatedly depth recording measurements from borehole tools produces different measurements at generally the same point... | 10/03/1978 |
| 4039805 | Apparatus for calculating the price of measured lengths of material Apparatus for calculating the price of a measured length of material comprising a sensor for detecting the movement in either of two directions of a material having a length to be measured and a price per unit length. The unit price of the material is ent... | 08/02/1977 |