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KUHLMAN ELECTRIC COMPANY

Overview
  • Total Patents
    18
About

KUHLMAN ELECTRIC COMPANY has a total of 18 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and thermal processes are A T T ADVANCED TRANSFORMER TEC, THORDARSON ELECTRIC MFG COMPAN and JYOTI LTD.

Patent filings in countries

World map showing KUHLMAN ELECTRIC COMPANYs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 4
#3 United Kingdom 1

Patent filings per year

Chart showing KUHLMAN ELECTRIC COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kollinger Henry F 4
#2 Gakle Wendolyn F 3
#3 Warner William O 3
#4 Pittman Leon V 2
#5 Dulude Donald O 2
#6 Smelko Joseph A 2
#7 Greenwalt Harlan E 1
#8 Corey Donald H 1
#9 Waite Clayland M 1
#10 Lefler Clifford C 1

Latest patents

Publication Filing date Title
US3054850A Electrical bushing construction
US3252118A Electromagnetic induction apparatus
US2921996A Self-aligning rotary electrical switch
US2918541A Rotary electrical switch
US2927809A Clamping means for electrical bushings
US2934593A High voltage bushing
US2878855A Mandrel for forming laminated transformer core
GB590650A Improvements in or relating to electric furnaces
US2151439A Furnace and control therefor
US2180513A Apparatus for relieving stresses in welds
US2147070A Variable rock furnace working
US1961608A Protective device for electrical apparatus
US1965898A Cover clamp
US1933140A Transformer and method of making same
CA643566A Core winding apparatus
CA620179A Magnetic core and method of making same
CA603136A Clamping means for electrical bushings
CA601466A High voltage bushing