Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 439/921
Name: Electrical connectors > Transformer bushing type or high voltage underground connector
Description: Art collection of particular utility in electrically sealing the connector of a member for changing voltage in an alternating current supply or of connecting "high voltage" (i.e., measured in thousands of volts) electrical conductors intended to be buried beneath the surface of the earth.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4820183 Connection mechanism for connecting a cable connector to a bushing Apr. 11, 1989
4799895 600-Amp hot stick operable screw-assembled connector system Jan. 24, 1989
4787855 Multiple bushing connector apparatus Nov. 29, 1988
4782197 Electrical bushing having a replaceable stud Nov. 1, 1988
4779341 Method of using a tap plug installation tool Oct. 25, 1988
4773872 Static contact member for a high-voltage bushing insert Sep. 27, 1988
4722694 High voltage cable connector Feb. 2, 1988
4354721 Attachment arrangement for high voltage electrical connector Oct. 19, 1982
4353611 Bushing well stud construction Oct. 12, 1982
4214806 Fast release connector Jul. 29, 1980
4210381 Electrical connector contacts Jul. 1, 1980
4203641 Double bushing insert May. 20, 1980
4202591 Apparatus for the remote grounding, connection and disconnection of high voltage electrical circuits May. 13, 1980
4170394 High voltage separable connector system with modified dwell position Oct. 9, 1979
4059326 Dry-type instrument transformer with potential tap and connector therefor Nov. 22, 1977
4059329 Double bushing well with cantilever load supporting legs Nov. 22, 1977
4054351 Connection between a device in a metallic sheath and a transformer Oct. 18, 1977
4029380 Grounded surface distribution apparatus Jun. 14, 1977
3980374 Separable splice connector Sep. 14, 1976

1 2 3










 
 
  Recently Added Patents
Liquid crystal shutter glasses
Semiconductor device having a bonding pad and shield structure of different thickness
Particle-loaded membrane for solid-phase-extraction and method for performing SALDI-MS analysis of an analyte
Switching module and switching synchronization system
Intake parameter-calculating device for internal combustion engine and method of calculating intake parameter
System and method for displaying a constant time selection context menu interface
Method and apparatus for accessing and downloading information from the internet
  Randomly Featured Patents
Electronic apparatus having IC temperature control
Data bus architecture for integrated circuit devices having embedded dynamic random access memory (DRAM) with a large aspect ratio providing reduced capacitance and power requirements
Characterizing degradation of components during reliability-evaluation studies
Pipe for supporting and positioning measuring devices in the core of a nuclear reactor
Method and system for controlling a scheduling order per daypart category in a music scheduling system
Extreme ultraviolet exposure apparatus and vacuum chamber
Size markers for electrophoretic analysis of DNA
Method and electronic device for reducing transition time of transistor switching circuits
Air check valve for an air spring
Brake assembly having a mounting clip