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DIFFERENTIAL WHEEL CORP

Overview
  • Total Patents
    15
About

DIFFERENTIAL WHEEL CORP has a total of 15 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets transport and mechanical elements are JOHN VERNON PUGH, TITAN ITALIA S P A and SYDNEY ALLEN CURRIN.

Patent filings in countries

World map showing DIFFERENTIAL WHEEL CORPs patent filings in countries
# Country Total Patents
#1 United States 9
#2 United Kingdom 5
#3 Canada 1

Patent filings per year

Chart showing DIFFERENTIAL WHEEL CORPs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Tolman Charles P 2
#2 Durham Hobart N 2
#3 Velo Anthony C 2
#4 Wyatt Raymond A 1
#5 Castellano Joseph P 1
#6 Canfield Kendall E 1
#7 Larsen Louis A 1
#8 Ash Charles S 1

Latest patents

Publication Filing date Title
US2465135A Dual wheel brake assembly
US2459347A Dual wheel assembly
US2298333A Valve stem locator
GB533790A Improvements in or relating to automotive vehicles
GB533642A Improvements in or relating to dual wheel assemblies for vehicles
GB531837A Improvements in or relating to lubricating systems for dual wheel structures for vehicles
GB529912A Improvements in or relating to dual wheel structures for vehicles
GB529077A Improvements in or relating to dual wheel vehicles
US2222695A Dual wheel drive and brake mechanism
US2237547A Dual wheel vehicle
US2210572A Dual wheeled vehicle
US2190583A Dual wheel structure
US2213383A Dual wheeled vehicle
US2154497A Automotive vehicle
CA396804A Dual wheel drive and brake mechanism