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Class Information
Number: 177/210C
Name: Weighing scales > Self-positioning > Electrical current generating or modifying > Capacitors
Description:










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7897884 Method and system of a multi-zone capacitive force-measuring based load sensing platform Mar. 1, 2011
7217891 Capacitive sensing apparatus for a vehicle seat May. 15, 2007
7176390 Capacitive load cell with multi-layer dielectric for extended range Feb. 13, 2007
7132611 Apparatus for the registration of weight Nov. 7, 2006
6911635 Cooking apparatus and method Jun. 28, 2005
6894233 Systems and methods for classifying vehicles May. 17, 2005
6781068 Digital scale with removable tools Aug. 24, 2004
6555766 Apparatus and method for measuring weight of an occupying item of a seat Apr. 29, 2003
6407349 Compact weighing cell for an electronic balance Jun. 18, 2002
6366200 Method of determining the object on a seat for determining the deployment mode of a safety device Apr. 2, 2002
6218632 Capacitive weight sensor Apr. 17, 2001
6104100 Charge transfer load sensor Aug. 15, 2000
6091029 Weight sensing device for a microwave oven Jul. 18, 2000
6047245 Resistive strain gauge control circuit Apr. 4, 2000
5900592 Load sensing system May. 4, 1999
5886301 Method and device for measuring weight Mar. 23, 1999
5808242 Electromagnetic flow rate measuring apparatus and method for compensating the measured flow rate Sep. 15, 1998
5712451 Device for sensing food weight in a microwave oven Jan. 27, 1998
5672850 Weight sensor with electrostatic capacitance Sep. 30, 1997
5602485 Apparatus for screening capsules using velocity measurements Feb. 11, 1997
5597984 Capacitance weighing mat with substantially rigid separators Jan. 28, 1997
5565655 Method of detecting food weight in microwave oven by processing weight sensor signals Oct. 15, 1996
5422464 Device for sensing food weight of microwave oven Jun. 6, 1995
5349138 Food weight sensing device for microwave oven Sep. 20, 1994
5337902 Tablet sensor Aug. 16, 1994
5321209 Electronic weighing device Jun. 14, 1994
5270496 Tension bar Dec. 14, 1993
5265481 Force sensor systems especially for determining dynamically the axle load, speed, wheelbase and gross weight of vehicles Nov. 30, 1993
5191949 Weighing apparatus with an adjustable ratio of stresses in the load bearing members Mar. 9, 1993
5167290 Springs for use in a compact self-adjusting weighing system Dec. 1, 1992
5150759 Capacitor-sensor Sep. 29, 1992
5135113 High-speed tablet sorting machine Aug. 4, 1992
5078220 Multiple sensor capacitive measurement system Jan. 7, 1992
5062518 Coin validation apparatus Nov. 5, 1991
5050034 Pressure sensor and method of manufacturing same Sep. 17, 1991
4984128 Capacitative weight sensor Jan. 8, 1991
4970374 Automatic heating appliance with weight sensor Nov. 13, 1990
4960177 Silicon membrane micro-scale Oct. 2, 1990
4951764 Digital display scale Aug. 28, 1990
4936399 Hand held weighing scale Jun. 26, 1990
4924955 Electronic weighing device May. 15, 1990
4917199 Automatic verification of variable capacitance weighing apparatus Apr. 17, 1990
4913248 Portable weighing scale Apr. 3, 1990
4899600 Compact force transducer with mechanical motion amplification Feb. 13, 1990
4898254 Electronic weighing apparatus Feb. 6, 1990
4875533 Automatic weight detecting device Oct. 24, 1989
4856603 Electronic weighing instrument of the electrostatic capacity type Aug. 15, 1989
4846293 Humidity control system for a scale Jul. 11, 1989
4846294 Capacitance type weight sensor Jul. 11, 1989
4838367 Price indicating means for a weighing scale Jun. 13, 1989

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