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MARTIN WILLIAM E

Overview
  • Total Patents
    78
About

MARTIN WILLIAM E has a total of 78 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets transport, civil engineering and machines are PELSY GILLES, MINAGAWA SEIJI and LINNER GEORG.

Patent filings in countries

World map showing MARTIN WILLIAM Es patent filings in countries
# Country Total Patents
#1 United States 68
#2 Canada 8
#3 Germany 1
#4 Italy 1

Patent filings per year

Chart showing MARTIN WILLIAM Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Martin William E 69
#2 Bertelsen William R 3
#3 Elenburg Cecil L 3
#4 William E Martin 1
#5 Bloom Judith D 1

Latest patents

Publication Filing date Title
US4817406A Lock impressioning key
CA1215568A Apparatus and method for making cartons
DE2422809A1 Coupling for rigid intercoupling - has coacting coupling facility mounted on each unit pair
CA1006885A Multiple implement coupling structure
US3501856A Self-contained scraper attachment assembly for farm tractor
US3592273A Bodily attachable bulldozing assembly for tractors
US3477245A Flexible coupling device
US3477246A Shaft coupling
US3477251A Shaft coupling device
US3500659A Flexible coupling with elastomer plate
US3484843A Laterally tiltable self-loading motor scraper
US3473242A Manipulative support mechanism for mounting earth working equipment
US3487564A Rear-dumping self-loading vehicle
US3479756A Reversible cutting blade means
US3435547A Self-contained scraper bowl assembly adapted for attachment with mobile vehicle
US3427735A Sweep ejector type earth working scraper attachment for farm tractors
US3460279A Earth working scraper attachment for farm tractors
US3427736A Scraper bowl manipulating apparatus attachable with and operable from an attendant vehicle
US3452462A Operating mechanism for scraper bowl material ejector
US3443329A Control and nudging means for earth working devices