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SHEPPARD RICHARD H

Overview
  • Total Patents
    75
About

SHEPPARD RICHARD H has a total of 75 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets transport, machines and engines, pumps and turbines are R H SHEPPARD CO INC, SHEPPARD PETER H and BEAR TRACTOR CORP OF AMERICA.

Patent filings in countries

World map showing SHEPPARD RICHARD Hs patent filings in countries
# Country Total Patents
#1 United States 46
#2 Canada 10
#3 Germany 6
#4 Sweden 5
#5 Italy 3
#6 Japan 3
#7 Spain 1
#8 United Kingdom 1

Patent filings per year

Chart showing SHEPPARD RICHARD Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sheppard Richard H 54
#2 Sheppard Richard Harper 10
#3 Richaado Haapaa Shepaado 2
#4 Richiyaado Haapaa Shiepaado 1
#5 Harper Sheppard Richard 1
#6 Swam Roland E S 1
#7 Keller Dale L 1

Latest patents

Publication Filing date Title
CA1083494A Power steering gear with short piston and fluid bearings
CA1083493A Power steering gear with short piston and fluid bearings
US4273029A Power steering gear with improved responsiveness
US4148374A Universal locating pin for axle mounted power steering
US4088063A Power steering gear with short piston and fluid bearings
US4061059A Undercutter attachment
US3970166A Axle mounting of integral power steering gear
US3942412A Fluid control system for dual power steering
US3954148A Dual hydraulic power steering system with adjusted mechanical advantage and method
DE2412606A1 BALL SPINDLE
CA969391A Ball-screw mechanism
US3916730A Switchable ratio steering system
US3906837A Power steering gear with torsion rod valve centering mechanism
CA983865A Dual hydraulic power steering system
CA983864A Power steering gear assembly
US3566751A Power steering gear
US3338603A Joint between output shaft and pitman arm
US3195575A Centralizing valve grooves to secure equal reversibility
US3140101A Transmission for choosing the mode of steering on a vehicle with two steerable axles
GB981959A Improvements in power steering for vehicles