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Class Information
Number: 318/488
Name: Electricity: motive power systems > Automatic and/or with time-delay means (e.g., automatic starting and/or stopping) > Responsive to stress in body or material
Description: Subject matter in which the sensing means are responsive to physical tension, compression or other stress in a body of material.










Patents under this class:

Patent Number Title Of Patent Date Issued
8674642 Partial discharge monitoring systems and methods Mar. 18, 2014
8436558 Mooring winch and a method for controlling a cable of a mooring winch May. 7, 2013
8207692 Mooring winch and a method for controlling a cable of a mooring winch Jun. 26, 2012
7764038 Devices, systems, and methods for relieving stress Jul. 27, 2010
7659679 System and method for adjusting a dead-time interval in a motor control circuit Feb. 9, 2010
7044021 Steering device for a motor vehicle May. 16, 2006
6943516 Method for controlling an adjuster on a motor vehicle Sep. 13, 2005
6765323 Method and device for detecting rotational drive force Jul. 20, 2004
6577030 Electric power steering apparatus Jun. 10, 2003
6525651 Force-responsive detectors and systems Feb. 25, 2003
6515441 Glass edge object detection sensor Feb. 4, 2003
6448731 Apparatus and method for controlling an electric motor Sep. 10, 2002
6448728 Electric power steering apparatus Sep. 10, 2002
6272410 Electric power steering system Aug. 7, 2001
6169379 Power driven venting of a vehicle Jan. 2, 2001
6153996 Steering device with an actuating ring Nov. 28, 2000
6111376 Motorizing awning with automatic safety control Aug. 29, 2000
6013994 Controller of electric power-steering system Jan. 11, 2000
5982126 Power closure panel control apparatus Nov. 9, 1999
5982131 Control device for motor driving system Nov. 9, 1999
5818189 Electric power-assisted wheelchair Oct. 6, 1998
5780985 Deformable system Jul. 14, 1998
5648708 Force actuated machine controller Jul. 15, 1997
5150021 Method of controlling electric power steering apparatus Sep. 22, 1992
4939435 Torque detecting apparatus Jul. 3, 1990
4873475 Electrically powered power steering system for industrial vehicle or the like Oct. 10, 1989
4862046 Zoom motor control Aug. 29, 1989
4812723 Motor-operated brake system Mar. 14, 1989
4769584 Electronic controller for therapeutic table Sep. 6, 1988
4766985 Power clutch system Aug. 30, 1988
4756375 Motor-driven power steering apparatus Jul. 12, 1988
4743817 Electromagnetic servo unit May. 10, 1988
4719396 Electric motor drive circuit for electric power steering systems for vehicles Jan. 12, 1988
4703821 Electric power steering system for vehicles Nov. 3, 1987
4686433 Motor-driven power booster Aug. 11, 1987
4686438 Electric power steering apparatus Aug. 11, 1987
4614248 Motor-driven power steering system having a stable output torque Sep. 30, 1986
4613800 Servo system for measuring and controlling the amount of torque being applied to rotating tools and method Sep. 23, 1986
4611682 Motor-driven power steering system Sep. 16, 1986
4587471 Handle assembly for an x-ray examination apparatus May. 6, 1986
4492906 Electric motor Jan. 8, 1985
RE31581 Apparatus for detecting forces directing the movement of a manipulating instrument May. 8, 1984
4413214 Vented pneumatic foot controller Nov. 1, 1983
4305028 System for evaluating the capability of a work-performing robot to reproduce a programmed series of motions Dec. 8, 1981
4298308 Apparatus for detecting forces directing the movement of a manipulating instrument Nov. 3, 1981
4126818 Hybrid stepping motor unit Nov. 21, 1978
4048547 Torque responsive device Sep. 13, 1977
3986090 Motor drive for a part in an X-ray apparatus Oct. 12, 1976











 
 
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