Patents
Patents for H01H 69 - Apparatus or processes for the manufacture of emergency protective devices (1,560)
06/1981
06/09/1981US4272751 High-voltage fuse link and method of manufacturing same
04/1981
04/07/1981CA1098940A1 Ferrule for high voltage fuse and method of fabricating thereof
01/1981
01/27/1981CA1094618A1 Fuse with housing end caps secured by magnetic pulse forming
01/20/1981US4246563 Electric safety fuse
12/1980
12/10/1980EP0020010A1 A capped resilient electrical housing and arrester comprising such a housing
10/1980
10/21/1980US4229403 Method of assembling a fault limiter by molding a rigid housing about a non-rigid subassembly
10/14/1980US4228417 Electric fuse and method of manufacturing the same
10/07/1980CA1087227A1 Method of attaching tubular members in a high voltage fuse
09/1980
09/23/1980US4224592 Miniature plug-in fuse assembly and method of manufacture
08/1980
08/26/1980CA1084591A1 Ground fault circuit interrupter testing apparatus
06/1980
06/24/1980US4208787 Epoxy resin seals
06/03/1980US4205431 Method and apparatus for making a cylindrical end-capped fuse
05/1980
05/20/1980US4204183 Tapered strap element for an electrical fuse
05/20/1980US4203200 Method and apparatus for making an encapsulated plug-in blade fuse
04/1980
04/22/1980US4198744 Process for fabrication of fuse and interconnects
03/1980
03/19/1980EP0008990A1 Low voltage multi-pole circuit breaker provided with a device for setting the bar
03/11/1980US4192534 High voltage fuse having attached tubular members
02/1980
02/19/1980US4189696 Electric fuse-links and method of making them
01/1980
01/29/1980CA1070738A1 Cartridge type fuse and fusible element therefor
10/1979
10/16/1979CA1064556A1 High voltage fuse with outer, heat-shrinkable, leakage-path-increasing sleeve
06/1979
06/26/1979US4159185 Ferrule for high voltage fuse and method of fabrication thereof
06/19/1979US4158830 Fitting for a circuit-interrupting device
05/1979
05/08/1979US4153892 Fusible element and process of manufacturing said element
05/08/1979CA1054195A1 Electric fuse having a multiply casing of synthetic resin glass cloth laminate
03/1979
03/13/1979CA1050592A1 Miniature plug-in fuse and method of making same
02/1979
02/20/1979US4140988 Electric fuse for small current intensities
12/1978
12/26/1978US4131869 Plug-in fuse assembly construction
11/1978
11/14/1978CA1042189A1 Method for assembling and calibrating an electric circuit breaker
09/1978
09/26/1978US4117441 Current limiting fuse construction and method
08/1978
08/29/1978CA1037342A1 Fusible links and process for producing same
07/1978
07/25/1978US4102482 Process for producing fusible links
07/11/1978US4099322 Method for making plug-in fuse assemblies
07/11/1978US4099321 Method of making a miniature plug-in fuse
07/11/1978US4099320 Method of making a miniature plug-in fuse
06/1978
06/13/1978US4095207 Thermal fuse
05/1978
05/23/1978US4090292 Method of making thermal fuse
04/1978
04/04/1978US4081897 Method of making an electric switch
02/1978
02/28/1978US4075755 High voltage fuse and method of attaching tubular members therein
02/14/1978US4074219 Mounting means for a circuit breaker
01/1978
01/17/1978US4068370 Mounting means for a circuit breaker and method of making the same
01/10/1978US4067103 Method of making a plug-in fuse
01/03/1978US4065849 Process of manufacturing electric fuse
12/1977
12/13/1977US4063208 Fuse housing end caps secured by magnetic pulse forming
11/1977
11/08/1977US4056884 Method of making a miniature plug-in fuse
10/1977
10/25/1977US4055829 Fusible links and process for producing same
08/1977
08/23/1977US4044326 Hermetic seal between telescoping cylinders of a fuse housing
08/09/1977US4041525 Electric fuse and process of manufacturing the same
07/1977
07/26/1977US4037318 Method of making fuses
06/1977
06/07/1977US4028656 High voltage fuse with outer heat-shrinkable sleeve
05/1977
05/17/1977US4023265 Method of making a miniature plug-in fuse
05/17/1977US4023264 Method of making miniature plug-in fuses of different fuse ratings
02/1977
02/15/1977US4008451 High-voltage fuse and process of manufacturing the same
01/1977
01/18/1977US4003129 Method of making current limiting fuse having a filter disposed in one end cap
01/04/1977US4001748 Electric fuse having helically wound fusible element and process for manufacturing the fuse
09/1976
09/07/1976US3979709 Electric fuse having a multiply casing of a synthetic - resin glass-cloth laminate
07/1976
07/06/1976US3968468 Electrical switch and method of calibrating
06/1976
06/29/1976US3967228 Electric current limiting fuse having a filter disposed in one end cap
06/15/1976US3962782 Method of making a miniature plug-in fuse
06/01/1976US3959875 Method and fixture for manufacturing fuses having helically wound fusible elements
04/1976
04/27/1976US3953812 Electric circuit breaker
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