Patents
Patents for H01C 8 - Non-adjustable resistors consisting of loose powdered or granular conducting, or powdered or granular semi-conducting material (146)
03/1999
03/31/1999EP0905839A1 Pluggable surge arrester
10/1998
10/06/1998US5818677 Surge arrester having ridged terminals
09/1998
09/03/1998WO1998038653A1 Improvements relating to electrical surge arresters
09/02/1998EP0862255A1 Disconnector for surge arrester
06/1998
06/25/1998WO1998027560A1 Surge arrester
02/1998
02/24/1998US5721664 Surge arrester
02/18/1998CN1173720A Method for prodn. of low resistance earthing module material
01/1998
01/27/1998US5712757 Surge arrester having ridged terminals
01/27/1998US5712756 Substation with surge arresters
01/13/1998US5708555 Surge arrester having controlled multiple current paths
12/1997
12/31/1997WO1997050097A1 Surge arrester having ridged terminals
01/1997
01/14/1997US5594613 Surge arrester having controlled multiple current paths
07/1996
07/02/1996US5532900 Semiconductor arrester
10/1995
10/25/1995CN1110835A 浪涌抑制器件 Surge suppression devices
08/1995
08/23/1995EP0668648A1 Semiconductor arrester
12/1994
12/07/1994CN1026929C Voltage nonlinear resistor
03/1994
03/23/1994CN1084312A Voltage nonlinear resistor
04/1990
04/25/1990EP0365057A1 Conductive polymer compositions
01/1990
01/17/1990CN1006498B Oxidate electric resistance
08/1988
08/24/1988CN87217071U Zinc oxide pressure sensitive resistor
08/17/1988CN87215730U High-voltage zno pressure-sensitive resistor
08/1987
08/05/1987CN86100666A Lightening arrester with gap voltage sensing and heat dissipating plates
05/1987
05/20/1987CN85202831U Printed electric resistance
01/1987
01/21/1987CN85105495A Oxidate electric resistance
10/1986
10/15/1986EP0197759A1 Conductive polymer compositions
05/1986
05/14/1986EP0180577A1 Humidity sensor comprised of compound metal oxides with perovskite structure
10/1985
10/24/1985WO1985004754A1 Humidity sensor comprised of compound metal oxides with perovskite structure
09/1985
09/17/1985CA1193683A1 Arc limiting refractory resistive element and method of fabricating
12/1984
12/11/1984US4487733 Method of fabricating arc limiting refractory resistive element
12/11/1984US4487732 Method of fabricating arc limiting refractory resistive element
11/1984
11/20/1984US4484172 Humidity sensor, comprised of compound metal oxides with perovskite structure
10/1984
10/02/1984CA1175511A1 Resistor device with stacked annular resistance elements
09/1984
09/04/1984CA1173893A1 Surge suppressor construction
11/1983
11/29/1983US4418327 Arc limiting refractory resistive element
12/1982
12/07/1982US4363017 Resistor device particularly for high-voltage installations
09/1982
09/14/1982US4349855 Having a zinc oxide resistor and a porcelain insulator
06/1982
06/15/1982CA1125844A1 Lightning arrester
12/1981
12/09/1981EP0041470A2 Resistor for high-voltage equipment
08/1981
08/04/1981CA1106438A1 Lightning diverter strip
05/1981
05/26/1981US4270114 Energy transmission devices
02/1981
02/03/1981CA1094794A1 Vitreous enamel material for electrical resistors and method of making such resistors
02/1980
02/12/1980US4188607 Silica and bronze
10/1979
10/03/1979EP0004349A1 A process for manufacturing a surge arrester
09/1979
09/11/1979CA1062346A1 Electrical resistor with novel termination and method of making same
02/1979
02/06/1979US4138655 High temperature sensor
10/1977
10/11/1977US4053866 Electrical resistor with novel termination and method of making same
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