Patents
Patents for G01L 17 - Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies (2,404)
08/1999
08/10/1999US5936519 Method of and device for detecting tire pressure drop
07/1999
07/28/1999EP0931251A1 Method and apparatus for determining tire inflation status
07/28/1999EP0812270A4 Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data
06/1999
06/15/1999US5913241 Apparatus for estimating vehicle tire air pressure from not only tired wheel motion but also tire temperature
06/01/1999US5908984 Tire pressure gauge
05/1999
05/12/1999CN2318627Y Radio electronic monitoring alarm for underpressure of motor vehicle tyre
03/1999
03/17/1999EP0901417A1 Device for wireless transmission from moving parts
03/16/1999US5883306 Multi-purpose tool with display unit for showing tire pressure and tire tread depth thereon
03/16/1999US5883305 Tire pressure monitoring system
03/02/1999US5877679 Sensor for a pneumatic tire
02/1999
02/25/1999DE19837550A1 Device for checking and setting a motor vehicle tyre pressure
02/24/1999CN2308892Y MAPZ automotive tyre overpressure automatic alarm
02/17/1999CN1208175A Tyre pressure detecting alarm
02/10/1999CN2307293Y Tyre pressure cover by using colour as warning tyre pressure
02/04/1999DE19728419A1 Verfahren zur Bestimmung der Umdrehungszahl eines sich um eine Drehachse drehenden Körpers und Körper, der um eine Drehachse drehbar gelagert ist A method for determining the number of revolutions of a rotating about a rotation axis body and the body, which is rotatably mounted about a rotation axis
01/1999
01/20/1999EP0892259A1 Apparatus for measuring the pressure in a tyre of a wheeled vehicle
01/14/1999WO1999001302A1 Method for determining the rotational speed of a motor vehicle wheel rotating around a rotating axis
01/06/1999CN1204054A Pressure measuring device capable of bidirectional trimming error value
01/05/1999US5856619 Tire pressure indicator
12/1998
12/17/1998WO1998056606A1 Monitoring a tyre by acceleration measurement
12/15/1998US5849120 Device for monitoring the inflation pressure of the tires of a vehicle
12/09/1998EP0882917A2 Bicycle tyre valve
12/09/1998CN1041072C Method and apparatus for estimating disturbance acting on vehicle tired wheel based on wheel angular velocity
12/01/1998US5844475 In a vehicle
12/01/1998US5844130 Apparatus for maintaining a constant radial distance between a transmitting circuit and an antenna coil
11/1998
11/26/1998WO1998053289A1 Method and apparatus for tyre pressure determination
11/26/1998WO1998052780A1 Method for detecting pressure loss in vehicule tyres
11/26/1998DE19721480A1 Verfahren zur Erkennung von Druckverlusten im Fahrzeugreifen A method for detecting pressure losses in the vehicle tire
11/26/1998CA2289532A1 Method and apparatus for tyre pressure determination
11/19/1998WO1998052008A1 Tyre pressure determination
11/19/1998CA2288625A1 Tyre pressure determination
11/18/1998EP0877668A1 Tire pressure sensor
11/17/1998US5837897 To determine an internal physical characteristic
11/17/1998US5837889 Pressure gauge for pneumatic balls
10/1998
10/28/1998CN2296004Y Spring point type gas-pressure meter for tyre
10/21/1998CN1196270A Inflatable balloon with pressure digit displayer
10/20/1998US5826207 Device for estimating air pressure of tire from vibration components of vehicle wheel speed
10/20/1998US5824891 Method and apparatus for effiviently phase modulating a subcarrier signal for an inductively coupled transponder
09/1998
09/01/1998US5801306 Method of processing pressure measurements in a tire monitoring system
09/01/1998US5801305 Method and apparatus for detecting a tire inflation pressure
09/01/1998CA2128985C Method and apparatus for estimating disturbance acting on vehicle tired wheel based on wheel angular velocity
08/1998
08/04/1998US5790016 Tire pressure sensing system
07/1998
07/30/1998WO1998033049A1 Method and apparatus for determining tire inflation status
07/29/1998EP0855293A2 Tire pressure sensing system
07/15/1998CA2227083A1 Tire pressure sensing system
07/14/1998US5780734 Tire inflator-gage with system pressure release means
07/14/1998US5780733 Method of processing signals in a system
07/09/1998DE3790763C2 Work vehicle suspension monitoring method e.g. for mining
06/1998
06/24/1998CN2284952Y Piezometer with memory function
06/04/1998DE19649277A1 Vehicle integrated tyre air-pressure monitoring arrangement
05/1998
05/26/1998US5755634 Inflatable ball with a digital pressure display
05/19/1998US5754101 Tire air pressure warning apparatus
05/19/1998US5753810 Method and apparatus for determining tire inflation status
05/19/1998US5753809 Tire pneumatic pressure estimating apparatus
05/06/1998CN1181039A Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data
04/1998
04/29/1998EP0807026A4 Tyre pressure monitoring transponder mounted on a tyre valve
04/22/1998CN2279602Y Window type indicating pressure gage
04/01/1998EP0832765A2 Tyre pressure monitoring system
03/1998
03/24/1998US5731754 Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data
03/18/1998EP0829382A2 Sensor for a pneumatic tyre
12/1997
12/17/1997EP0812270A1 Transponder and sensor apparatus for sensing and transmitting vehicle tire parameter data
12/04/1997WO1997045277A1 Device for wireless transmission from moving parts
12/03/1997EP0810108A2 Method and apparatus for efficiently phase modulating a subcarrier signal for an inductively coupled transponder
11/1997
11/26/1997EP0808731A2 Apparatus for estimating vehicle tire air pressure from not only tired wheel motion but also tire temperature
11/19/1997EP0807026A1 Tyre pressure monitoring transponder mounted on a tyre valve
11/18/1997US5687672 Pressure indicator for tires
11/12/1997CN1164642A Wireless telecontrolled automobile tyre low pressure warning device
10/1997
10/14/1997US5677492 Diaphragm type pressure measuring device
10/14/1997US5677483 Sidewall plunging tire air pressure gauge
10/08/1997EP0799729A2 Method and apparatus for synchronizing to a data stream for an inductively coupled transponder
10/08/1997EP0799728A2 Apparatus for maintaining a constant radial distance between a transmitting circuit and an antenna coil
10/07/1997US5675314 Tire pressure sensor
09/1997
09/24/1997EP0796748A1 Method for processing pressure measurements in a tyre monitoring system
09/10/1997EP0794074A1 Pressure and temperature evaluating method for a tyre surveillance device
09/03/1997EP0792760A2 Apparatus for tyre pressure control
08/1997
08/14/1997WO1997028975A1 Tire pressure sensor
08/14/1997CA2243486A1 Tire pressure sensor
08/12/1997US5656772 For temporary clamping on and off of a gas pressure valve
08/06/1997EP0787605A1 Apparatus for monitoring air pressure in the tyres of a vehicle
07/1997
07/30/1997EP0786362A2 Method of and device for detecting tire pressure drop
07/17/1997WO1997025604A1 Remote tyre testing method and device
07/01/1997US5644074 Pressure gauge reset mechanism
06/1997
06/24/1997US5641900 Device for analysis of tire ground contact pressure
06/24/1997US5640776 Apparatus for checking pressure of a vehicle pneumatic tire
06/18/1997EP0778803A2 A tyre condition monitoring system
06/12/1997DE19545618A1 Monitoring unit for tyre pressure of vehicle allowing for heat or temperature
06/11/1997EP0777595A1 Airline handset for tyre inflation apparatus
06/05/1997DE19544661A1 Method for measuring and recording operational parameter of motor vehicle on test stand
05/1997
05/07/1997DE19643879A1 Determining tyre inflation pressure of vehicle tyre using number of steps
04/1997
04/29/1997US5625144 Simple, low-cost, low-noise, and energy-efficient digital tire gauge
04/23/1997EP0769395A1 Method of learning tyre pressure transmitter ID
04/16/1997EP0768192A1 Apparatus and method for alarming abnormality of tyre air pressure
04/02/1997EP0746475A4 Active integrated circuit transponder and sensor apparatus for transmitting vehicle tire parameter data
03/1997
03/25/1997US5614882 Process and circuit for monitoring tire pressure
03/25/1997US5614669 Air pressure gauge with dust-cap remover
03/18/1997US5612671 Method of learning tire pressure transmitter ID
03/12/1997EP0721403A4 Pressure indicating tyre inflation valve
03/05/1997EP0675812B1 Process and circuit for monitoring tyre pressure
03/05/1997EP0642427B1 Method of detecting a deflated tyre on a vehicle
02/1997
02/25/1997US5606123 Tire pressure monitoring device capable of being folded
1 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25