Patents
Patents for G01G 7 - Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in groups (996)
08/1990
08/28/1990US4951764 Digital display scale
07/1990
07/11/1990CN2059237U Double face digit display electronic steelyard
07/03/1990US4938301 Electronic balance with scale on top
07/03/1990US4938300 Weighing apparatus having multi-range motion transmitting levers
06/1990
06/20/1990CN2058482U Electronic balance
06/05/1990US4930588 Electronic balance
05/1990
05/31/1990WO1990005900A1 Capacitative weighing apparatus
05/31/1990WO1990005899A1 Shielding method for use with electromagnetic balance
05/31/1990WO1990005898A1 Shielding means for use with electromagnetic balance
05/23/1990EP0369136A2 Elektromechanical balance with multiple level transmission
05/23/1990DE3839175A1 Load sensor
05/15/1990US4924955 Electronic weighing device
04/1990
04/25/1990EP0364645A1 Dynamometer using electromagnetic calibration
04/19/1990WO1990004153A1 Humidity control system for a scale
04/17/1990US4917199 Automatic verification of variable capacitance weighing apparatus
04/03/1990US4913248 Portable weighing scale
03/1990
03/28/1990EP0359978A2 Electronic balance
03/22/1990DE3928067A1 Weighing device with pan
03/21/1990CN1040678A Apparatus measuring weight automatically during advance
03/20/1990US4909339 Weight and pressure measuring device
02/1990
02/13/1990US4899600 Compact force transducer with mechanical motion amplification
02/06/1990US4898254 Electronic weighing apparatus
01/1990
01/31/1990EP0352587A2 Electronic weighing device
12/1989
12/26/1989US4890246 Electronic balance with calibrating system
12/20/1989EP0346563A2 Balance using electromagnetic load compensation
12/14/1989DE3917165A1 Top-pan electronic balance
12/13/1989EP0345569A2 Electronic top pan balance
11/1989
11/28/1989CA1263442A1 Method and apparatus for the measurement of the properties of sheet- or foil-like material of low electrical conductivity
11/23/1989EP0342505A2 Portable weighing scale
11/07/1989US4878552 Shielding means for use with electromagnetic balance
10/1989
10/31/1989CA1262558A1 Weighing apparatus
10/24/1989US4875534 Weighing apparatus with improved electromagnetic load compensation
10/24/1989US4875533 Automatic weight detecting device
10/19/1989DE3811942A1 Elektronische waage mit ecklastsensor Electronic scales with corner load
10/10/1989US4872522 Electronic weighing apparatus including guide adjusting means
10/04/1989EP0335693A2 Capacitative weight sensor
09/1989
09/27/1989CN2045106U Portable electronic balance having digital display
09/14/1989DE3904669A1 Barrier for outgoing liquids
09/14/1989DE3807212A1 Magnetic coupling for transmitting weight from a high-pressure reaction chamber to a recording balance
08/1989
08/30/1989CN2043752U Magnetic balance
08/15/1989US4856603 Electronic weighing instrument of the electrostatic capacity type
07/1989
07/27/1989DE3801656A1 Weight and pressure measuring device
07/25/1989US4850443 Weighing scale
07/19/1989CN2041424U Weighting apparatus capable of regulating offset load accuracy automatically
07/18/1989US4848494 Platform balance
07/11/1989US4846294 Capacitance type weight sensor
07/11/1989US4846293 Humidity control system for a scale
06/1989
06/29/1989DE3743356A1 Top-pan electronic balance
06/28/1989EP0322193A2 Electronic weighing instrument of the electrostatic capacity type
06/14/1989CN2039411U Portable electronic scale
06/08/1989DE3833221A1 System carrier for top-pan electronic precision balances
06/08/1989DE3832747A1 Top-pan balance with parallel guide made of a one-piece casting
06/08/1989DE3832746A1 Top-pan precision balance based on the principle of electromagnetic force compensation
06/08/1989DE3832725A1 Top-pan balance with one-piece parallel guide for low loads and method for its production
06/08/1989DE3832719A1 Parallel guide system for electronic balances
06/06/1989US4836293 Shielding method for use with electromagnetic balance
05/1989
05/03/1989DE3801657C1 Blood pressure and weight measurement device
05/03/1989CN2037068U Rotating bucket type electro-controlled weighing scale
05/02/1989US4825968 Balance based on the principle of the electromagnetic compensation of force with optical position sensor
05/02/1989US4825967 Weight detecting apparatus
04/1989
04/12/1989CN2035874U Digital mini electronic scale
04/04/1989US4817745 Thermogravimetric balance
03/1989
03/21/1989US4813505 Balance with scale on top and parallel guide consisting of a one-piece casting and one-piece parallel guide system
02/1989
02/08/1989EP0302396A2 Capacitance type weight sensor
02/07/1989US4802541 Weighing scale with voice coil
01/1989
01/24/1989US4799561 Electronic balance
01/24/1989US4799558 Weighing apparatus
01/18/1989EP0299395A2 An automatic weight detecting device
01/17/1989US4798251 Electronic balance with scale on top and corner-load adjustment
01/11/1989CN2030716U Automatic-control balance composed of general computerized balance
01/05/1989DE3721113A1 Measuring circuit for electronic scales
12/1988
12/28/1988CN88103475A Digital load shift compensation
12/14/1988EP0295067A2 Digital load shift compensation
12/14/1988CN88102671A Electronic balances
11/1988
11/17/1988EP0291258A2 Electronic balance
09/1988
09/28/1988CN87205434U Electronic scales for lap
09/22/1988WO1988007182A1 Compact force transducer with mechanical motion amplification
09/14/1988CN87216308U Capacitive electronic scale
08/1988
08/30/1988US4766965 Apparatus for depositing and lifting off of a reference weight in an electronic scale
07/1988
07/12/1988US4757181 Weighing apparatus
07/12/1988US4756374 Vehicle load sensing device
07/05/1988US4754823 Capacitive position sensing means for weighing apparatus of the electromagnetic load compensation type
06/1988
06/23/1988DE3642495A1 Analogue/digital converter, particularly for electromechanical scales
06/22/1988EP0271644A2 Process for linearization of an electronic balance
06/22/1988CN87106874A Transmitter with improved span adjustment
06/07/1988US4750082 Capacitive ratiometric load cell
06/07/1988US4748852 Transmitter with an improved span adjustment
04/1988
04/21/1988WO1988002850A1 Transmitter with an improved span adjustment
04/20/1988CN85107604B Weighing apparatus of heating cooker
04/19/1988US4738325 Hall effect weight transducer
04/19/1988US4738324 Self-adjusting weighing system
03/1988
03/16/1988EP0259494A1 Weight-detecting device
03/15/1988US4730683 Electromagnetic load-compensation weighing apparatus including temperature compensation means
03/09/1988CN87207152U Units-composite magnetic-elastic dynamometric weight sensor
02/1988
02/09/1988US4723615 Precision balance
02/09/1988US4723614 Apparatus for automatically dispensing weight-controlled portions of granular foodstuff
02/02/1988US4722409 Compact weighing apparatus of the electromagnetic load compensation type
11/1987
11/25/1987CN87206170U Electronic crane-steelyard
11/19/1987EP0245587A2 Electromagnetic force-compensating balance
11/10/1987US4705127 Capacity-type position sensor for electromagnetic load-compensation weighing apparatus
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