Patents
Patents for H01C 3 - Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven, or formed as grids (1,191)
06/1993
06/08/1993US5218334 Surface mountable high current resistor
05/1993
05/25/1993US5214407 High performance current shunt
04/1993
04/01/1993WO1993006605A1 Liquid-cooled heavy-duty resistor
01/1993
01/19/1993US5181008 Diamond encapsulated resistance temperature detector
12/1992
12/02/1992CN1019343B Center ventilated resistor grid
11/1992
11/17/1992US5165052 Slide-in resistor grid
10/1992
10/27/1992US5159310 Resistor grid heat dissipating assembly
10/26/1992CA2066973A1 Slide-in resistor grid
10/22/1992DE4112677A1 Fluid-cooled electrical resistor esp. for GTO-thyristor switching - consists of coaxial tubes cooled by contra-flow of liq. over entire surface of resistive elements
10/20/1992US5157373 Post glover resistor
10/20/1992US5157372 Flexible potentiometer
09/1992
09/30/1992EP0346327B1 Temperature controlled soldering iron with temperature setting established by a replaceable resistor
09/02/1992EP0500976A1 Device to obtain a voltage proportional to a current to be measured
09/02/1992EP0500975A1 Measuring resistor with current connections and at least one voltage connection
06/1992
06/25/1992WO1992010921A1 High voltage protection resistor
05/1992
05/12/1992US5113171 High-frequency current-viewing resistor
05/05/1992US5111179 Chip form of surface mounted electrical resistance and its manufacturing method
04/1992
04/21/1992US5107187 High voltage protection resistor
03/1992
03/31/1992US5101190 Polytetrafluoroethylene
03/10/1992CA1297140C2 Tape element and methods, for heating, pressure measurement and circuit fabrication
03/03/1992US5093555 Electrical resistance; internal combustion engines
01/1992
01/08/1992CN2092802U Inductionless resistance
11/1991
11/26/1991US5068637 Plate-like metal element for electrical resistor grid assembly
10/1991
10/15/1991CA1290820C Temperature controlled soldering iron
10/02/1991EP0449729A2 Flat power resistance
09/1991
09/19/1991DE4008422A1 Electrical power resistor for thyristor - has folded strip resistor elements in housing with circulated cooling fluid
09/17/1991US5049852 Resistor grid heat dissipating assembly
09/17/1991US5049851 Embossed and lanced resistor structure
09/03/1991US5045831 Vertical flight resistor grid
08/1991
08/21/1991CN1053964A Plate-like metal element for electrical resistor grid assembly
07/1991
07/31/1991EP0438839A1 Electrical conductors formed of sub-oxides of titanium
07/17/1991CA2034183A1 Embossed and lanced resistor structure
07/02/1991US5028295 Carpet seaming iron with ultra thin guide strut and improved heat control
06/1991
06/04/1991US5020214 Method of manufacturing a hot wire air flow meter
04/1991
04/25/1991DE3935054A1 Electrical air-heater elements for integral duct - uses narrow=profile resistors for good heat transfer and separable connections for versatile use
04/25/1991DE3933956A1 Force-cooled power resistor e.g. for railway locomotive converter - is of flat metal sheet of high specific electrical resistance presenting large cooling area
04/24/1991EP0424254A1 Electrical resistor in the form of a surface mounting chip and process for making the same
03/1991
03/13/1991CN2073150U 高压阻尼线 High damping line
02/1991
02/06/1991EP0411542A2 Process and apparatus for producing spiral resistors
02/05/1991CA1279887C Tape element and methods, for heating, pressure measurement and circuit fabrication
05/1990
05/22/1990US4926542 Method of making a surface mount wirewound resistor
04/1990
04/10/1990US4916428 High voltage, outdoor, air cooled, dynamic braking resistors and power distribution system incorporating the same
03/1990
03/27/1990US4912286 Used as resistance heater; corrosion and thermal resistance
03/20/1990US4909079 Heat wire airflow meter
03/01/1990DE3927690A1 Surface mount wirewound resistor
02/1990
02/28/1990EP0355431A2 Alloy as material for control and heating elements having a positive temperature coefficient
02/14/1990CN1006780B Support frame for resistor elements in heating furnace for glass sheets
02/14/1990CN1006779B Resistor element assembly for heating furnace of glass sheets and method of replacing resistor element
02/07/1990CN1039500A Center ventilated resistor grid
01/1990
01/17/1990CN1006500B Resistance element for wound-type variable resistors and method
12/1989
12/20/1989EP0346327A1 Temperature controlled soldering iron with temperature setting established by a replaceable resistor.
11/1989
11/28/1989US4884053 Surface mount wirewound resistor and method of making the same
11/20/1989EP0346327A4 Temperature controlled soldering iron with temperature setting established by a replaceable resistor.
10/1989
10/31/1989US4878039 Apparatus and method for providing a strain-resistant resistance temperature detector
09/1989
09/26/1989CA1261417A1 High voltage, outdoor, air cooled, dynamic braking resistors and power distribution system incorporating the same
08/1989
08/22/1989US4859649 Heat resistant, creep resistant, protective oxide coating
08/09/1989CN2042591U Spring film thermal sensitive resistor
07/1989
07/11/1989US4847585 Center ventilated resistor grid
06/1989
06/22/1989DE3741525A1 Electrical device
06/06/1989US4837549 Tapped resistor grid assembly
06/01/1989DE3740252A1 High-power wire resistor
05/1989
05/09/1989US4829282 High efficiency high heat output electrical heater assembly
03/1989
03/15/1989EP0307372A2 Electric power resistor
01/1989
01/24/1989US4800359 Coils, protective coatings on wires
01/11/1989CN2030751U Fiberglass core wire risistor production line
11/1988
11/22/1988CA1245316A1 Compact resistor assembly
11/17/1988EP0290719A1 Semi-finished product made from ferritic steel and its uses
09/1988
09/07/1988WO1988006503A1 Temperature controlled soldering iron with temperature setting established by a replaceable resistor
09/06/1988US4769094 Amorphous-nickel-base alloy electrical resistors
08/1988
08/04/1988DE3701784A1 Monitoring circuit for the protection of devices which are supported on a plurality of feet, especially high-voltage pylons
07/1988
07/19/1988US4758815 Tap element and methods, for heating, pressure measurement and circuit fabrication
05/1988
05/19/1988DE3639239A1 Liquid-cooled resistor
03/1988
03/02/1988EP0257509A1 Ceramic cross-piece
01/1988
01/20/1988EP0253304A2 Resistive tape element, processes for its preparation and its uses
01/19/1988US4719693 Resistance element for wound-type variable resistors and method of making same
12/1987
12/08/1987US4712086 Support frame for resistor elements in a heating furnace for glass sheets
10/1987
10/13/1987US4700172 Lighting control apparatus for signal lights
10/08/1987DE3611595A1 Electrical resistor for alternating current and a method for its production
09/1987
09/22/1987US4695821 Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element
08/1987
08/04/1987US4684416 Alloy with small change of electric resistance over wide temperature range and method of producing the same
06/1987
06/16/1987CA1222891A1 Ni-cr type alloy material
05/1987
05/05/1987CA1221250A1 Apparatus and method for tensioning resistive wire
04/1987
04/07/1987US4655857 Ni-Cr type alloy material
03/1987
03/31/1987US4654627 Resistor grid assembly
03/31/1987CA1219927A1 Electrical resistor and method and apparatus for making same
03/17/1987US4651125 Resistor grid assembly with rib turbulence generators
03/17/1987US4651124 Frame supported grid resistor
01/1987
01/20/1987US4638285 Surge suppressing resistor for a disconnect switch
01/17/1987CN85101244A Resistance network supported on frame
12/1986
12/16/1986US4630024 Grid resistor and improved grid element therefor
11/1986
11/26/1986EP0203041A2 An electric power resistor structure
11/05/1986CN86101687A Resistance element for wound-type variable resistors and method of making same
09/1986
09/24/1986EP0195765A2 Method and device for suspension of an electric resistance element
07/1986
07/30/1986EP0188733A1 Compact resistor assembly
07/09/1986EP0186842A1 Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element
07/09/1986EP0186841A1 Support frame for resistor elements in a heating furnace for glass sheets
07/02/1986CN85109431A Support frame for resistor elements in a heating furnace for glass sheets
07/02/1986CN85109430A Resistor element assembly for a heating furnace of glass sheets and method of replacing a resistor element
05/1986
05/13/1986US4588976 Resistors obtained from sheet material
04/1986
04/15/1986CA1203300A1 Electrical resistor
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