Learn more

STEWART WARNER CORP

Overview
  • Total Patents
    1,722
About

STEWART WARNER CORP has a total of 1,722 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, mechanical elements and transport are BURD PISTON RING COMPANY, DAVID SAMIRAN and DURANT WILLIAM H.

Patent filings per year

Chart showing STEWART WARNER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brouwer Frans 62
#2 Davis Ernest W 54
#3 Tramontini Vernon N 47
#4 Thelma Mccollum 38
#5 Whitted John B 34
#6 Ryder Frank A 33
#7 Williams Jr Lynn A 32
#8 Fairbanks Gordon J 29
#9 Allen Arthur C 29
#10 Payne Robert A 26

Latest patents

Publication Filing date Title
CA1328177C Universal fuel sender
CA1309316C Liquid level sender with linear float
US4870891A Pneumatically controlled air motor
US4947150A Pressure sender
US4908806A Directional spring for AC synchronous motor
US4941136A Programmable hour meter for recording elapsed operation time
US4807090A Instrument illumination system
US4793022A Tread protector for dual wheel caster
US4758784A Air core gauge with zero pointer return related application
US4732221A Pneumatic chipping hammer and method of manufacture
US4756230A Sound attenuator for pneumatic motors
US4728039A Paint spray gun nozzle assembly
US4768300A Illuminated information display
US4707880A Swivel caster assembly and method of making
US4664298A Dual mode grease gun
US4700170A Condition sensing rheostat and method of manufacture
US4626636A Pressure operated switch assembly with external pressure control
US4658127A Pattern tracer with kerf dependent control for improved cornering
US4605039A Runaway protective fuse valve
US4551598A Illuminated membrane switch