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Class Information
Number: 174/12BH
Name: Electricity: conductors and insulators > With fluids or vacuum > With expansion and contraction means > Expansion bushings
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
8383944 Metal fitting integration type stress-relief cone and a cable sealing end using the same Feb. 26, 2013
7939752 Elongated member and use thereof May. 10, 2011
6914195 Distribution transformer Jul. 5, 2005
5774035 Current transformer for load switch Jun. 30, 1998
5466890 Expansion joint for an electrical conduit which is electrically grounded through the expansion joint Nov. 14, 1995
5466890 Expansion joint for an electrical conduit which is electrically grounded through the expansion joint Nov. 14, 1995
5466891 Conical composite SF.sub.6 high voltage bushing with floating shield Nov. 14, 1995
5466891 Conical composite SF.sub.6 high voltage bushing with floating shield Nov. 14, 1995
5200578 High voltage feedthrough bushing Apr. 6, 1993
4775849 Gas insulated current transformer Oct. 4, 1988
4629822 Electrical bushing Dec. 16, 1986
4594475 Electrical bushing having a convertible central conductor Jun. 10, 1986
4403105 Gas-insulated bushing having finger contact expansion joint Sep. 6, 1983
4214118 Electrical bushing Jul. 22, 1980
4204083 Termination on electric power cables for normal, high and very high voltages May. 20, 1980
4168394 Electric penetration assembly Sep. 18, 1979
4132853 Electrical bushing Jan. 2, 1979
4078150 Liquid-cooled stud for terminal bushings of a generator Mar. 7, 1978
3973077 Bushing for electrical connection Aug. 3, 1976











 
 
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