TREA

Oil filters for tap change devices

Follow

Industry

  • CPC
  • H01H2009/0055
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES

Current Industry

H01H2009/0055Oil filters for tap change devices
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    On-load tap changer
    • Patent number 10,102,990
    • Issue date Oct 16, 2018
    • MASCHINENFABRIK REINHAUSEN GMBH
    • Silke Wrede
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Insulating oil leak containment
    • Patent number 6,476,723
    • Issue date Nov 5, 2002
    • Filmax, Inc.
    • David C. Campbell
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Oil-filter assembly
    • Patent number 6,299,762
    • Issue date Oct 9, 2001
    • MASCHINENFABRIK REINHAUSEN GMBH
    • Arpad Szabo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Temperature monitor for electrical switchgear
    • Patent number 6,052,060
    • Issue date Apr 18, 2000
    • Filmax, Inc.
    • David McMahan Butler
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Dehydrating breather apparatus
    • Patent number 5,902,381
    • Issue date May 11, 1999
    • General Signal Corporation
    • Thomas M. Golner
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Fluid filtration system positionable within a fluid-containing appa...
    • Patent number 5,766,464
    • Issue date Jun 16, 1998
    • David C. Campbell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Transformer leak alarm
    • Patent number 5,691,706
    • Issue date Nov 25, 1997
    • Filmax, Inc.
    • David McMahan Butler
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Device for filtering an electrically insulative and thermally condu...
    • Patent number 5,688,398
    • Issue date Nov 18, 1997
    • GEC Alsthom Transport SA
    • Jean Jacquelin
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Liquid treatment system
    • Patent number 5,167,804
    • Issue date Dec 1, 1992
    • Tigg Corporation
    • Donald D. Tiggelbeck
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Apparatus for continually upgrading transformer dielectric liquid
    • Patent number 4,437,082
    • Issue date Mar 13, 1984
    • Westinghouse Electric Corp.
    • Edward J. Walsh
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Electrical inductive apparatus
    • Patent number 4,124,834
    • Issue date Nov 7, 1978
    • Westinghouse Electric Corp.
    • Edward J. Walsh
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2405853
    • Patent number 2,405,853
    • Issue date Aug 13, 1946
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ON-LOAD TAP CHANGER
    • Publication number 20160133406
    • Publication date May 12, 2016
    • Silke WREDE
    • H01 - BASIC ELECTRIC ELEMENTS