Inventor · disambiguated record
Dwight N. Johnson
Also filed as: JOHNSON DWIGHT · JOHNSON DWIGHT N
72 granted patents·4 pending applications·1,765 citations·filing 1974–2011
99Inventor score
Top patents by PatentIndex Score
76 records- 0198US6499152B2Flush controllerGEBERIT TECHNIK AG·Filed 2001·Granted Dec 31, 2002·75 cites·32 claims
- 0298US4356574AFaucet assembly with pinch valvesJH IND INC·Filed 1981·Granted Nov 2, 1982·104 cites·9 claims
- 0397US6560790B2Flush controlGEBERIT TECHNIK AG·Filed 2001·Granted May 13, 2003·73 cites·29 claims
- 0495US4065095AFluid level control valveJOHNSON DWIGHT N·Filed 1976·Granted Dec 27, 1977·70 cites·9 claims
- 0594US7487950B2Flush valveSLOAN VALVE CO·Filed 2006·Granted Feb 10, 2009·20 cites·22 claims
- 0694US5375887APlumbing hookup kitFiled 1993·Granted Dec 27, 1994·91 cites·24 claims
- 0794US5255703AFloat operated fill valveJOHNSON DWIGHT N·Filed 1992·Granted Oct 26, 1993·66 cites·7 claims
- 0893US5421361AFloat operated fill valveFiled 1994·Granted Jun 6, 1995·39 cites·2 claims
- 0992US4589688APlumbing hookup kitFILLPRO PRODUCTS INC·Filed 1981·Granted May 20, 1986·82 cites·17 claims
- 1091US4180096AFill valveJ H IND INC·Filed 1977·Granted Dec 25, 1979·55 cites·25 claims
- 1189US5439025AFloat operated fill valveFiled 1994·Granted Aug 8, 1995·44 cites·2 claims
- 1287US4240606AFill valveJH IND INC·Filed 1979·Granted Dec 23, 1980·40 cites·2 claims
- 1386US7650653B2Modular electrically-operated faucetGEBERIT TECHNIK AG·Filed 2005·Granted Jan 26, 2010·28 cites·27 claims
- 1485US7111638B2Excess flow shutoffSAFETY FLOW COMPANY LLC·Filed 2003·Granted Sep 26, 2006·35 cites·8 claims
- 1584US5964247AFill valveAMERICAN STANDARD INC·Filed 1997·Granted Oct 12, 1999·28 cites·35 claims
- 1683USD452898SFlush controller for sanitary fixturesGEBERIT TECHNIK AG·Filed 2001·Granted Jan 8, 2002·28 cites·1 claims
- 1782US8485496B2Electronic flush valve with optional manual overrideJOHNSON DONNA D·Filed 2009·Granted Jul 16, 2013·10 cites·18 claims
- 1881US7556237B2Flush valveSLOAN VALVE CO·Filed 2007·Granted Jul 7, 2009·7 cites·9 claims
- 1980US4646779AAdjustable vacuum breaker fill valveMASCO CORP·Filed 1985·Granted Mar 3, 1987·35 cites·5 claims
- 2080US3952766ABackflow preventerJH IND INC·Filed 1974·Granted Apr 27, 1976·34 cites·20 claims
- 2179US5967167ARemote controlled drinker systemCTB INC·Filed 1998·Granted Oct 19, 1999·37 cites·15 claims
- 2279US4083375APilot regulatorJOHNSON DWIGHT N·Filed 1976·Granted Apr 11, 1978·29 cites·3 claims
- 2378US4973402AFlow restrictor and strainer assembly for a toilet tank fill valve and the likeMASCO CORP·Filed 1989·Granted Nov 27, 1990·33 cites·12 claims
- 2478US4313469AFaucet assembly with pinch valvesJH IND INC·Filed 1980·Granted Feb 2, 1982·31 cites·26 claims
- 2577US8250906B2Leak detectorJOHNSON DWIGHT N·Filed 2008·Granted Aug 28, 2012·5 cites·17 claims
- 2677USD266104SFaucetJH IND INC·Filed 1980·Granted Sep 7, 1982·14 cites·1 claims
- 2777US4197809AFlow responsive deviceTEXTRON INC·Filed 1978·Granted Apr 15, 1980·22 cites·28 claims
- 2876US6155288AFill valveAMERICAN STANDARD INC·Filed 1999·Granted Dec 5, 2000·28 cites·10 claims
- 2975US5771921APressure regulatorCTB INC·Filed 1995·Granted Jun 30, 1998·35 cites·26 claims
- 3075US4574826AAdjustable vacuum breaker fill valveMASCO CORP·Filed 1983·Granted Mar 11, 1986·34 cites·13 claims
- 3172US4019531AInlet orifice device to control thruput flow for pressure regulatorsSINGER CO·Filed 1976·Granted Apr 26, 1977·21 cites·3 claims
- 3271US7083118B1Device for injecting and mixing liquid fertilizer with water flow in a sprinkler system pipelineBOWLES C ANTHONY·Filed 2005·Granted Aug 1, 2006·13 cites·36 claims
- 3370US5515556ABack jet flush toilet systems and methodsAMERICAN STANDARD INC·Filed 1994·Granted May 14, 1996·18 cites·15 claims
- 3469USD569947SFlush valveSLOAN VALVE CO·Filed 2007·Granted May 27, 2008·16 cites·1 claims
- 3569US6253708B1Remote controlled drinker system and drinker line control valveFiled 1999·Granted Jul 3, 2001·27 cites·14 claims
- 3669US5337781AFloat operated fill valveJOHNSON DWIGHT N·Filed 1993·Granted Aug 16, 1994·19 cites·4 claims
- 3768US5392470AToilet flush control assembly and methodsFiled 1994·Granted Feb 28, 1995·18 cites·8 claims
- 3868US4624444AControl stop for flushing systemMASCO CORP·Filed 1985·Granted Nov 25, 1986·24 cites·8 claims
- 3968USD251677SFill valveJOHNSON DWIGHT N·Filed 1977·Granted Apr 24, 1979·8 cites·1 claims
- 4066USD568965SValve housingSLOAN VALVE CO·Filed 2007·Granted May 13, 2008·14 cites·1 claims
- 4166US4887635AFluid fill valve with accurate fill level mechanismMASCO CORP·Filed 1989·Granted Dec 19, 1989·22 cites·17 claims
- 4266US4313460APilot valveJH IND INC·Filed 1979·Granted Feb 2, 1982·17 cites·16 claims
- 4364US7617949B2Flow volume limiting deviceJOHNSON DWIGHT N·Filed 2005·Granted Nov 17, 2009·3 cites·21 claims
- 4464US5803114ABack jet flush toilet systems and methodsAMERICAN STANDARD INC·Filed 1996·Granted Sep 8, 1998·15 cites·5 claims
- 4563US8028719B2Control stop and flushing systemSLOAN VALVE CO·Filed 2009·Granted Oct 4, 2011·2 cites·2 claims
- 4661US4896629APoultry watering valveAQUA DROP CORP·Filed 1988·Granted Jan 30, 1990·21 cites·22 claims
- 4760US4833895ASpin disk evaporatorJOHNSON DWIGHT N·Filed 1988·Granted May 30, 1989·20 cites·15 claims
- 4860US4499616AFlush valveFILLPRO PRODUCTS INC·Filed 1979·Granted Feb 19, 1985·19 cites·4 claims
- 4959US4198029AThrottling control valveTEXTRON INC·Filed 1976·Granted Apr 15, 1980·16 cites·5 claims
- 5058US7565914B2Control stop and flushing systemSLOAN VALVE CO·Filed 2006·Granted Jul 28, 2009·1 cites·10 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →