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PARSONS JOHN B

Overview
  • Total Patents
    142
About

PARSONS JOHN B has a total of 142 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 civil engineering, machines and transport are NAT PNEUMATIC CO INC, PERFECT WINDOW REGULATOR CORP and RIXSON INC.

Patent filings in countries

World map showing PARSONS JOHN Bs patent filings in countries
# Country Total Patents
#1 United States 74
#2 Canada 67
#3 Germany 1

Patent filings per year

Chart showing PARSONS JOHN Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Parsons John B 142

Latest patents

Publication Filing date Title
US3166052A Thermo-shutter
US3084509A Control for jet propelled marine craft
US2970191A Circuit selector for reverse gear operating system for marine engines
US2986044A Throttle and reverse gear control for marine engines
US2896036A Switch mechanism
US2940330A Throttle control mechanism for marine engines
US2916005A Combined rudder and reverse control for marine craft
US2916031A Reverse gear operating system for marine engines
US2830859A Air bleeding piston
US2952127A Power steering and auxiliary motor combination for automobiles
US2866664A Vertical seat adjusting mechanism for automobiles
US2793259A Switch mechanism
US2741985A Pressure relief for fluid pumps
US2699650A Regulator mechanism for vehicle windows
US2679763A Reverse gear operating system for marine engines
US2695340A Manual switching device
US2645183A Starter motor-driven hydraulic pump
US2707127A Door latch control responsive to window movement
US2676571A Hydraulic linear motor
US2619554A Switch unit