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HAROLD SINCLAIR

Overview
  • Total Patents
    210
About

HAROLD SINCLAIR has a total of 210 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets mechanical elements, machines and transport are ROBIN LEO, PITTER TRUST and TWIN DISC INC.

Patent filings in countries

World map showing HAROLD SINCLAIRs patent filings in countries
# Country Total Patents
#1 United Kingdom 95
#2 United States 73
#3 Germany 35
#4 Ireland 5
#5 Canada 1
#6 Spain 1

Patent filings per year

Chart showing HAROLD SINCLAIRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harold Sinclair 72
#2 Sinclair Harold 20
#3 Cecil Basebe Arthur 1
#4 Basebe Arthur Cecil 1
#5 Andrew Fraser 1
#6 Basebe Arthur C 1

Latest patents

Publication Filing date Title
US3029604A Hydraulic turbo couplings
US3075354A Hydraulic turbo couplings
GB914578A Improvements relating to marine forward-reverse gear propulsion systems
GB908853A Improvements in hydraulic turbo couplings
GB912670A Improvements relating to hydraulic turbo couplings
GB904715A Improvements relating to hydraulic turbo couplings
US2983102A Hydraulic turbo couplings
US2973626A Hydraulic turbo-couplings
ES242435A1 A marine propulsion system. (Machine-translation by Google Translate, not legally binding)
US2973845A Marine propulsion systems
US2972397A Synchronous self-shifting clutches
GB836458A Improvements relating to marine forward-reverse gear propulsion systems
US2924942A Hydraulic turbo couplings
GB837776A Improvements relating to marine forward-reverse gear propulsion systems
US2892520A Brake mechanisms
US2957312A Hydraulic turbo couplings
GB867091A Improvements relating to hydraulic turbo couplings
GB867092A Improvements relating to hydraulic turbo couplings
US2992534A Hydraulic turbo couplings
GB839638A Improvements relating to synchronous self-shifting clutches