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HARPER WYMAN CO

Overview
  • Total Patents
    162
About

HARPER WYMAN CO has a total of 162 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets thermal processes, machines and mechanical elements are RAY WILLIAM A, ROBERTSHAW CONTROLS CO and MILWAUKEE GAS SPECIALTY CO.

Patent filings per year

Chart showing HARPER WYMAN COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lamar Charles C 33
#2 Harper Philip S 14
#3 Huff Norman M 13
#4 Bergquist Frank H 13
#5 Kwiatek David J 8
#6 Peterson Vincent C 6
#7 Kadlubowski Joseph C 6
#8 Stohrer Jr Charles E 5
#9 Turner George F 5
#10 Wiberg Raymond F 5

Latest patents

Publication Filing date Title
US6237638B1 Manifold assembly for a gas range
US6149065A Modulating thermostat for gas oven burner
US6082397A Gas manifold connector and gas distribution manifold assembly for gas stove
BR9803428A Spark ignition electrode set for gas burner
US5911572A Spark ignition electrode assembly for gas stove top burner
BR9815488A Piping joints and methods for attaching piping to valves and extrusions
US5924860A Thickwall gas burner assembly
US5957679A Gas fireplace burner control system
US5676539A Gas burner mounting
US5655900A Gas oven control system
US5617070A Gas/electric oven thermostat with self cleaning temperature calibration mechanism
US5525771A Spark ignition switch and valve assembly for gas burners including external detent assembly
US5392022A Modular electric/gas oven thermostat
US5397234A Gas stove top burner assembly
US5364264A Electrode assembly for gas burner spark ignition
US5311165A Modular electric/gas oven thermostat and assembly method
US5009393A Linear flow turn down valve
US4973933A Dual control infinite switch
US4948044A Electronic digital thermostat having an improved power supply
US4933535A Piecewise linear temperature controller utilizing pulse width modulation