| Patents for G01P 13 - Indicating or recording presence or absence of movement; Indicating or recording of direction of movement (5,618) |
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| 04/07/1992 | US5101662 Harmonically filtered speed sensing system |
| 04/04/1992 | CA2052682A1 Apparatus for detecting transducer movement |
| 03/31/1992 | US5099699 Flow indicator or flowmeter |
| 03/25/1992 | EP0344209B1 Non-contaminating flow visualization system |
| 03/18/1992 | EP0475500A1 Electronic device for controlling the speed and direction of rotation of a motor for a machine for making ice chips |
| 03/17/1992 | US5097122 Medication infusion system having optical motion sensor to detect drive mechanism malfunction |
| 03/11/1992 | EP0473868A1 Flow monitor |
| 03/05/1992 | WO1992003749A1 Thermal anemometer transducer wind set |
| 03/03/1992 | US5093620 Encoding for nmr phase contrast flow measurement |
| 02/25/1992 | CA1296419C Ultrasonic anemometer |
| 02/18/1992 | US5089144 Filter condition indicator having moveable sensor and aggregate flow counter |
| 02/18/1992 | US5088332 Gas flow restricting and directing device intended for flow measurement |
| 02/18/1992 | CA1296082C Non-contact control |
| 02/12/1992 | EP0470843A2 Measuring the motion of spins in NMR systems |
| 02/12/1992 | EP0470535A2 Optoelectronic motion and fluid flow sensor |
| 02/08/1992 | CA2046108A1 Optoelectronic motion and fluid flow sensor |
| 02/05/1992 | EP0469991A1 Aircraft-mounted probe for measuring the aerodynamic parameters of the surrounding airflow |
| 02/05/1992 | EP0469318A1 Chucking device for a machine-tool |
| 02/04/1992 | US5086272 Apparatus for distinguishing between opposed directions of relative motion of a part having magnetic variations |
| 02/04/1992 | US5085075 Device simulating a running bird |
| 01/29/1992 | CN2094747U Miniature air flow direction test instrument for grain stockhouse |
| 01/28/1992 | US5083862 Liquid bubble detector |
| 01/21/1992 | US5083279 Canard based high angle of attack air data sensor |
| 01/15/1992 | CN1057907A Measuring method for athletic posture and apparatus thereof |
| 01/14/1992 | US5081403 Error detecting unit of motor rotation control device |
| 01/14/1992 | US5079945 Crankshaft direction of rotation detecting apparatus |
| 01/09/1992 | DE4021557A1 Flowing medium throughput monitoring device - has piston controlling flow chamber through aperture, pistol position sensor, and express medium system for accurate low rate operation |
| 01/07/1992 | CA1294047C Method of measuring the types of motion and configuration of biological and non-biological objects |
| 12/26/1991 | WO1991019456A1 Respiratory monitor |
| 12/24/1991 | US5075864 Speed and direction sensing apparatus for a vehicle |
| 12/18/1991 | EP0461281A1 Device for detecting air flow through a passageway |
| 12/18/1991 | EP0262182B1 Pressure-measurement flow control system |
| 12/17/1991 | US5073706 Procedure and apparatus for detecting objects moving at varying speeds within a certain area |
| 12/17/1991 | US5072613 Method for evaluation of fluid flow within a simulated combustion chamber |
| 12/17/1991 | US5072595 Apparatus for detecting small bubbles in a pressurized fluid stream |
| 12/12/1991 | DE4018254A1 Flow attenuator for measuring flow of conducting liquid - has non-return valve, upstream and downstream electrodes, and detector circuit |
| 12/11/1991 | EP0460699A1 Yarn storage and delivery device |
| 12/10/1991 | US5072434 Recording medium transducing light spot moving velocity detection circuit |
| 12/10/1991 | US5070729 Multi-colored layers for visualizing aerodynamic flow effects |
| 11/26/1991 | CA1292532C Optical displacement sensor |
| 11/19/1991 | US5065691 Fluid flow indicator |
| 11/19/1991 | US5065622 Wind direction indicator |
| 11/19/1991 | US5065621 Visually enhanced weather vane apparatus |
| 11/14/1991 | WO1991017265A1 An ultrasensitive microtrace procedure for monitoring the origin, movement and fate of any liquid or solid material |
| 11/12/1991 | US5064604 Cost effective fluid line status sensor system |
| 11/05/1991 | CA1291784C Airflow switch for air ducts |
| 10/30/1991 | EP0454331A1 Infusionssystem für die Medikation |
| 10/29/1991 | US5061075 Optical method and apparatus for diagnosing human spermatozoa |
| 10/19/1991 | WO1991016000A1 Method and apparatus for determining the velocity of a flowing liquid |
| 10/19/1991 | CA2080470A1 Method and apparatus for determining the velocity of a flowing liquid |
| 10/16/1991 | CN2086904U Running indicator |
| 10/15/1991 | CA1290836C Motion detector |
| 10/09/1991 | CN2086417U Anti-reversing meter device |
| 10/08/1991 | US5055671 Apparatus for detecting transducer movement using a first and second light detector |
| 10/08/1991 | CA1290211C Enhanced pressure measurement flow control system |
| 10/01/1991 | US5053630 Method and apparatus for determining the sign of the direction of a particle stream |
| 10/01/1991 | CA1290057C Method and apparatus for displaying moving objects |
| 09/26/1991 | DE4108602A1 Volume flow measurement arrangement for e.g. gases - contains deflecting light conductor within flow tube having free end offset with respect to light detector |
| 09/25/1991 | EP0448062A1 Direction sensing tachometer |
| 09/25/1991 | EP0447974A1 Angle measuring device and the use thereof |
| 09/25/1991 | EP0447475A1 Optoelectronic sensing device. |
| 09/18/1991 | EP0446365A1 Water discharging apparatus |
| 09/18/1991 | EP0258424B1 Intravenous line valving system |
| 09/17/1991 | US5049860 Two wire flow condition sensing system |
| 09/12/1991 | DE4006906A1 Appts. to insert probe into pipe - is used with pipe contg. material under pressure, and incorporates cylinder and sealable port |
| 09/11/1991 | EP0445508A2 Anemometer |
| 09/05/1991 | DE4006631A1 Protective cover for IR motion detector - has segmented hood enabling continuous range of adjustment by varying detection angles |
| 09/04/1991 | EP0445005A2 Positionable optical bisensor for local binary phase measurements |
| 09/04/1991 | CN1054300A Apparatus for sensing direction and speed of steering wheel shaft |
| 08/28/1991 | EP0443963A1 Detector for detection of the flow of a first liquid in a circulation of a second liquid |
| 08/28/1991 | EP0443940A2 Apparatus for sensing the direction and speed of a steering wheel shaft |
| 08/27/1991 | CA1288151C Sensor and method for ullage level and flow detection |
| 08/24/1991 | CA2036448A1 Adjustable optical biprobe for local diphasic measurements |
| 08/13/1991 | US5038609 Thermal type flow detecting apparatus |
| 08/13/1991 | US5038607 Wind speed and wind direction signal generator |
| 08/08/1991 | CA2035791A1 Cost effective fluid line status sensor system |
| 08/07/1991 | EP0439893A2 Method and apparatus for measuring the motility of sperm cells |
| 07/23/1991 | US5034729 Vibration monitor for rotating or moving equipment |
| 07/23/1991 | US5034648 Dual direction switch |
| 07/23/1991 | US5034579 Motion sensor |
| 07/16/1991 | US5032999 Motion sensor useful for power assisted steering systems |
| 07/11/1991 | DE4000526A1 Ultrasonic anemometer for measuring wind's directional components - has source-receiver pairs opposite each other in annular holders measuring transition time variations |
| 07/10/1991 | EP0436125A1 Flowing velocity measurement system |
| 06/25/1991 | US5025791 Pulse oximeter with physical motion sensor |
| 06/25/1991 | US5025661 Combination air data probe |
| 06/19/1991 | CN1012920B Flow indicating device and method for changing its measuring range |
| 06/15/1991 | CA2005719A1 Method and apparatus for determining the sign of the direction of a particle stream |
| 06/11/1991 | US5023055 Different materials in supply chamber combine to form aerosol to detect flow |
| 06/06/1991 | DE3939573A1 Sensor for measuring forces and derivable physical parameters - has light source connected to clamped end of elastically deflectable light conducting body, with position detector at other end |
| 06/05/1991 | EP0430924A1 Method for flow measurement of granulate in pipes |
| 06/05/1991 | EP0429867A2 Error detecting unit of motor rotation control device |
| 05/24/1991 | CA2014246A1 Liquid flow detector system |
| 05/22/1991 | EP0259464B1 Method and system for infiltration detection using pressure measurment |
| 05/15/1991 | EP0427018A2 Measuring device for measuring the speed of a fluid |
| 05/08/1991 | EP0332656A4 Motion detector |
| 05/08/1991 | DE4039568A1 Appts. for sensing adjustment of variable impedance device |
| 05/07/1991 | US5012840 Fluid flow indicator system |
| 05/02/1991 | WO1991006079A1 Motion sensor |
| 05/02/1991 | EP0424823A2 Error detecting unit of a rotational detector |
| 05/02/1991 | CA2071216A1 Motion sensor |