Assignee
HARPER WYMAN CO
US·41 granted patents·1,256 citations·filing 1975–2000
Top patents by PatentIndex Score
41 records- 0196US4846671AIntegral spark ignited gas burner assemblyHARPER WYMAN CO·Filed 1988·Granted Jul 11, 1989·95 cites·18 claims
- 0294US6149065AModulating thermostat for gas oven burnerHARPER WYMAN CO·Filed 1998·Granted Nov 21, 2000·124 cites·10 claims
- 0393US4948044AElectronic digital thermostat having an improved power supplyHARPER WYMAN CO·Filed 1989·Granted Aug 14, 1990·118 cites·6 claims
- 0493US4553523ATwo-way adjustable grate and method for adjusting the length and widthHARPER WYMAN CO·Filed 1982·Granted Nov 19, 1985·112 cites·15 claims
- 0592US5397234AGas stove top burner assemblyHARPER WYMAN CO·Filed 1993·Granted Mar 14, 1995·68 cites·9 claims
- 0689US5009393ALinear flow turn down valveHARPER WYMAN CO·Filed 1990·Granted Apr 23, 1991·99 cites·22 claims
- 0788US4799176AElectronic digital thermostatHARPER WYMAN CO·Filed 1986·Granted Jan 17, 1989·55 cites·15 claims
- 0884US4626196ASpark ignited gas burnerHARPER WYMAN CO·Filed 1985·Granted Dec 2, 1986·60 cites·9 claims
- 0984US4052591AInfinite switch and indicatorHARPER WYMAN CO·Filed 1975·Granted Oct 4, 1977·39 cites·5 claims
- 1083US5924860AThickwall gas burner assemblyHARPER WYMAN CO·Filed 1997·Granted Jul 20, 1999·53 cites·11 claims
- 1182USD309398SCap for a gas burnerHARPER WYMAN CO·Filed 1988·Granted Jul 24, 1990·26 cites·1 claims
- 1277USD297819SThermometer or similar articleHARPER WYMAN CO·Filed 1985·Granted Sep 27, 1988·17 cites·1 claims
- 1374US5525771ASpark ignition switch and valve assembly for gas burners including external detent assemblyHARPER WYMAN CO·Filed 1994·Granted Jun 11, 1996·31 cites·11 claims
- 1474US4249047AGas valve-switch assemblyHARPER WYMAN CO·Filed 1978·Granted Feb 3, 1981·21 cites·14 claims
- 1572US4810188ASpark ignited gas burner assemblyHARPER WYMAN CO·Filed 1988·Granted Mar 7, 1989·32 cites·20 claims
- 1672US4345144ASafety latch control arrangement for self-cleaning ovenHARPER WYMAN CO·Filed 1981·Granted Aug 17, 1982·28 cites·11 claims
- 1770US4973933ADual control infinite switchHARPER WYMAN CO·Filed 1990·Granted Nov 27, 1990·26 cites·12 claims
- 1869US5655900AGas oven control systemHARPER WYMAN CO·Filed 1995·Granted Aug 12, 1997·35 cites·13 claims
- 1966US6237638B1Manifold assembly for a gas rangeHARPER WYMAN CO·Filed 2000·Granted May 29, 2001·13 cites·21 claims
- 2066US4474212AProportional flow control valveHARPER WYMAN CO·Filed 1981·Granted Oct 2, 1984·23 cites·22 claims
- 2158US4316079AControl arrangement for self-cleaning ovenHARPER WYMAN CO·Filed 1980·Granted Feb 16, 1982·16 cites·14 claims
- 2257US4933535APiecewise linear temperature controller utilizing pulse width modulationHARPER WYMAN CO·Filed 1989·Granted Jun 12, 1990·21 cites·20 claims
- 2353US4299557AFuel burner control circuitHARPER WYMAN CO·Filed 1979·Granted Nov 10, 1981·10 cites·18 claims
- 2452US4055132AMethod of forming ports in a fuel burnerHARPER WYMAN CO·Filed 1976·Granted Oct 25, 1977·11 cites·4 claims
- 2551US4340806ASafety latch control arrangement for self-cleaning ovenHARPER WYMAN CO·Filed 1980·Granted Jul 20, 1982·13 cites·4 claims
- 2648US6015322AMethod of making spark ignition electrode assemblyHARPER WYMAN CO·Filed 1998·Granted Jan 18, 2000·13 cites·4 claims
- 2748US5676539AGas burner mountingHARPER WYMAN CO·Filed 1996·Granted Oct 14, 1997·21 cites·16 claims
- 2847USD388280SBattery powered spark igniter for a gas grillHARPER WYMAN CO·Filed 1996·Granted Dec 30, 1997·9 cites·1 claims
- 2945US5911572ASpark ignition electrode assembly for gas stove top burnerHARPER WYMAN CO·Filed 1998·Granted Jun 15, 1999·12 cites·9 claims
- 3042US5364264AElectrode assembly for gas burner spark ignitionHARPER WYMAN CO·Filed 1993·Granted Nov 15, 1994·11 cites·7 claims
- 3141USD309233SCap for a gas burnerHARPER WYMAN CO·Filed 1988·Granted Jul 17, 1990·4 cites·1 claims
- 3241US4710742AElectric/gas oven thermostatHARPER WYMAN CO·Filed 1986·Granted Dec 1, 1987·6 cites·9 claims
- 3340US5416970AMethod of assembling a modular electric/gas oven thermostatHARPER WYMAN CO·Filed 1994·Granted May 23, 1995·6 cites·3 claims
- 3439US5957679AGas fireplace burner control systemHARPER WYMAN CO·Filed 1997·Granted Sep 28, 1999·8 cites·13 claims
- 3535US5311165AModular electric/gas oven thermostat and assembly methodHARPER WYMAN CO·Filed 1993·Granted May 10, 1994·4 cites·9 claims
- 3633US4751491AElectric/gas oven thermostatHARPER WYMAN CO·Filed 1987·Granted Jun 14, 1988·3 cites·10 claims
- 3731US6082397AGas manifold connector and gas distribution manifold assembly for gas stoveHARPER WYMAN CO·Filed 1998·Granted Jul 4, 2000·9 cites·13 claims
- 3827US5617070AGas/electric oven thermostat with self cleaning temperature calibration mechanismHARPER WYMAN CO·Filed 1995·Granted Apr 1, 1997·1 cites·11 claims
- 3926US5392022AModular electric/gas oven thermostatHARPER WYMAN CO·Filed 1994·Granted Feb 21, 1995·0 cites·12 claims
- 4025US4392050ARapid response thermal switch for isolated load controlHARPER WYMAN CO·Filed 1981·Granted Jul 5, 1983·1 cites·11 claims
- 4124US4545689AThermostat calibration apparatusHARPER WYMAN CO·Filed 1984·Granted Oct 8, 1985·2 cites·5 claims
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