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Class Information
Number: 174/DIG.1
Name: Electricity: conductors and insulators > Anti-tracking

Patents under this class:

Patent Number Title Of Patent Date Issued
4521549 High voltage insulating materials Jun. 4, 1985
4433081 Electrical insulation body Feb. 21, 1984
4431578 Silicone compositions for buried electrical splice closures Feb. 14, 1984
4431861 Heat recoverable article for high voltage cable terminations and splices and method for making termination and splices using same Feb. 14, 1984
4399064 Anti-tracking high voltage insulating materials Aug. 16, 1983
4375527 Fiberglass reinforced plastic insulating member submitted to mechanical efforts within a high-voltage switching enclosure containing sulphur-hexafluoride gas Mar. 1, 1983
4210774 Filled polymer electrical insulator Jul. 1, 1980
4206436 Electrical apparatus encapsulated with resin coated filler Jun. 3, 1980
4206066 High impact - arc track and weather resistant polymer insulator and composition including epoxidized castor oil Jun. 3, 1980
4198310 High voltage insulating compositions containing organic polymerizable phosphorus compounds Apr. 15, 1980
4189392 Tracking resistant HV insulation material containing fluorine-substituted component to inhibit erosion Feb. 19, 1980
4188303 Polymeric electrical insulators having increased resistance to partial discharges containing metal chelates Feb. 12, 1980
4071461 Gaseous dielectric mixtures for suppressing carbon formation Jan. 31, 1978
4001128 High voltage insulating materials Jan. 4, 1977
3969308 Polymer compositions Jul. 13, 1976
3950452 Polyurethane high-voltage insulator appliance Apr. 13, 1976

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