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MARATHON ELECTRIC MFG

Overview
  • Total Patents
    76
About

MARATHON ELECTRIC MFG has a total of 76 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States, Canada and India. Its main competitors in its focus markets electrical machinery and energy, machines and engines, pumps and turbines are BULLOCK ELECTRIC COMPANY, RONK ELECTRICAL IND INC and JOHNSON ELECTRIC SHENZHEN CO.

Patent filings in countries

World map showing MARATHON ELECTRIC MFGs patent filings in countries
# Country Total Patents
#1 United States 48
#2 Canada 13
#3 India 6
#4 United Kingdom 4
#5 Japan 3
#6 France 1
#7 Italy 1

Patent filings per year

Chart showing MARATHON ELECTRIC MFGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keglewitsch Josef 8
#2 Nolte Duane R 6
#3 Appleman Wilbur R 6
#4 Monette Gerald J 5
#5 Macfarlane Alistair A 5
#6 Schurter Gary L 5
#7 Sleeter Edward B 4
#8 Anderson Wesley K 4
#9 Chula Stanley S 4
#10 Parshall Millis V 4

Latest patents

Publication Filing date Title
US5797306A Lamination notching apparatus
US6170974B1 Dynamoelectric machine with distribution of the winding coils for minimizing voltage stresses and method of locating coil locations therefore
US5821652A Dynamoelectric machines with shaft voltage prevention method and structure
US5808450A Special alternator assembly with an inherent ballast impedance characteristic for lighting systems
US5714821A Alternating current generator with direct connected exciter winding
US5283490A Ventilating apparatus for dynamoelectric machine with animal restricted ventilating openings
US5283405A Enclosed electrical contact assembly for dynamoelectric machines
US5258675A Mount apparatus for rotatable apparatus coupled to a rotating drive unit
US4927988A Enclosed switch contact assembly
US4912350A Stator core unit for dynamoelectric machine
US4971582A Fuse clip reject member
CA1300213C Centrifugally actuated motor starting switch apparatus
CA1312112C Centrifugal starter switch apparatus
GB8717187D0 Laminated stator core unit for dynamo-electric machine
US4812695A Annular stator core construction
US4839575A Alternator regulator having output monitoring and limiting controls
US4777397A Permanent magnet generator apparatus including a consequent pole rotor
US4764838A Regulated alternator with positive fault related shut down apparatus
US4777425A Alternator voltage regulator with speed responsive control
US4748355A Electrical connector with a releasable load-control element for multi-connectable loads