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SMITH ROGER R

Overview
  • Total Patents
    17
About

SMITH ROGER R has a total of 17 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, machines and environmental technology are ALMEN JOHN O, SONNAX IND INC and MILLER FRANZ GEORG.

Patent filings in countries

World map showing SMITH ROGER Rs patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing SMITH ROGER Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Roger R 17

Latest patents

Publication Filing date Title
US5289843A Hydraulic safety valve
US5060693A Proportioning valve for hydraulic systems
US5072633A Drive extension
US5056993A Liquid intake mechanism for rotary vane hydraulic motors
US5033269A Compound power plant
US5000216A Pressure relief valve
US5015221A Differential steering mechanism
US4943269A Differential with lock-out mechanism
US4989410A Compound power plant
US4867037A Turret traversing mechanism
US4840091A Transmission shift mechanism
US4813452A Kinetic check valve
US4567787A Compound planetary hydro-mechanical transmission with speed-responsive centrifugal clutch means
US4103920A Vehicle anti-roll mechanism
US2716444A Musical rocking chair
US2530667A Method of constructing high chair trays
US2375955A Apparatus for producing solid or hollow pellets