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SIMPSON HOWARD W

Overview
  • Total Patents
    24
About

SIMPSON HOWARD W has a total of 24 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, machines and transport are REECE TRANSMISSION COMPANY, UT GLOBAL CO LTD and PERRY FORBES G D.

Patent filings in countries

World map showing SIMPSON HOWARD Ws patent filings in countries
# Country Total Patents
#1 United States 24

Patent filings per year

Chart showing SIMPSON HOWARD Ws patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Simpson Howard W 24
#2 Forster Lloyd M 1

Latest patents

Publication Filing date Title
US3319491A Heavy duty planetary transmission
US3031901A Twelve speed power shift planetary transmission
US3241398A Fluid coupling planetary gear transmission
US2953946A Combination one-way and two-way brake
US2873624A Planetary transmission
US2873623A Six speed transmission
US2873625A Planetary transmission for self-propelled vehicles
US2838960A Tractor transmission
US2865231A Planetary transmission
US2865230A Four speed transmission
US2806388A Forward and reverse transmission
US2856795A Planetary transmission for self-propelled vehicle
US3000235A Planetary transmission
US2856794A Planetary transmission for self-propelled vehicle
US2873621A Planetary transmission for selfpropelled vehicles
US2826936A Variable speed transmission
US2786369A Planetary transmission
US2749775A Planetary transmission for selfpropelled vehicle
US2749773A Hydrodynamically driven planetary transmission
US2749777A Planetary transmission for selfpropelled vehicle