Inventor · disambiguated record
Keith Hampton
Also filed as: HAMPTON KEITH · HAMPTON KEITH R · PERMUY ALFRED
113 granted patents·7 pending applications·1,511 citations·filing 1986–2021
99Inventor score
Files withFLETCHER DAVID E29EATON CORP25DAYCO IP HOLDINGS LLC13HAMPTON KEITH13MICRON TECHNOLOGY INC6
Top patents by PatentIndex Score
120 records- 0198US9915362B2Fluidic diode check valveHAMPTON KEITH·Filed 2017·Granted Mar 13, 2018·12 cites·16 claims
- 0298US6321704B1Hydraulically actuated latching valve deactivationEATON CORP·Filed 2000·Granted Nov 27, 2001·96 cites·7 claims
- 0397US9599234B1Sprung gate valveFLETCHER DAVID E·Filed 2015·Granted Mar 21, 2017·14 cites·19 claims
- 0497US8578902B2Corona ignition with self-tuning power amplifierHAMPTON KEITH·Filed 2010·Granted Nov 12, 2013·26 cites·7 claims
- 0597US5623897AEngine valve control system using a latchable rocker arm activated by a solenoid mechanismEATON CORP·Filed 1996·Granted Apr 29, 1997·77 cites·7 claims
- 0696US9827963B2Aspirators for producing vacuum using the Venturi effectFLETCHER DAVE·Filed 2014·Granted Nov 28, 2017·22 cites·20 claims
- 0796US5967273AMagneto-rheological fluid couplingEATON CORP·Filed 1997·Granted Oct 19, 1999·70 cites·11 claims
- 0895US9599246B2Magnetically actuated shut-off valveFLETCHER DAVID E·Filed 2015·Granted Mar 21, 2017·8 cites·8 claims
- 0994US10151283B2Evacuator with motive finGRAICHEN BRIAN M·Filed 2015·Granted Dec 11, 2018·10 cites·20 claims
- 1094US9534704B2Noise attenuation in a check valve unit or apparatus for producing vacuumHAMPTON KEITH·Filed 2014·Granted Jan 3, 2017·13 cites·21 claims
- 1194US8124956B2Phase change memory devicesHAMPTON KEITH R·Filed 2010·Granted Feb 28, 2012·7 cites·13 claims
- 1294US6354265B1Electro-mechanical latching rocker arm engine brakeEATON CORP·Filed 2000·Granted Mar 12, 2002·60 cites·12 claims
- 1393US8844490B2Corona igniter having controlled location of corona formationBURROWS JOHN ANTONY·Filed 2012·Granted Sep 30, 2014·9 cites·20 claims
- 1493US8776751B2Igniter including a corona enhancing electrode tipHAMPTON KEITH·Filed 2011·Granted Jul 15, 2014·10 cites·29 claims
- 1593US5660153AValve control systemEATON CORP·Filed 1995·Granted Aug 26, 1997·81 cites·9 claims
- 1693US5655488ADual event valve control systemEATON CORP·Filed 1996·Granted Aug 12, 1997·81 cites·8 claims
- 1793US5619958AEngine valve control system using a latchable rocker armEATON CORP·Filed 1996·Granted Apr 15, 1997·63 cites·9 claims
- 1893US5078647ACamshaft phase change device with roller clutchesEATON CORP·Filed 1990·Granted Jan 7, 1992·53 cites·12 claims
- 1992US10571030B2Valve gate within a Venturi gap of a Venturi device for producing vacuumHAMPTON KEITH·Filed 2017·Granted Feb 25, 2020·5 cites·19 claims
- 2092US8365710B2Ignitor for air/fuel mixture and engine therewith and method of assembly thereof into a cylinder headFEDERAL MOGUL IGNITION CO·Filed 2009·Granted Feb 5, 2013·23 cites·34 claims
- 2192US4754727ADevice for varying engine valve timingEATON CORP·Filed 1987·Granted Jul 5, 1988·49 cites·23 claims
- 2291US10273978B2Low-cost evacuator for an engine having tuned Venturi gapsFLETCHER DAVID E·Filed 2015·Granted Apr 30, 2019·7 cites·35 claims
- 2391US10132424B2Variable flow valve having metered flow orificeGRAICHEN BRIAN M·Filed 2016·Granted Nov 20, 2018·4 cites·18 claims
- 2491US5682848AEngine valve control system using a latchable rocker arm activated by a solenoid mechanismEATON CORP·Filed 1996·Granted Nov 4, 1997·46 cites·8 claims
- 2591US5529033AMultiple rocker arm valve control systemEATON CORP·Filed 1995·Granted Jun 25, 1996·53 cites·10 claims
- 2690US8729782B2Non-thermal plasma ignition arc suppressionLYKOWSKI JAMES D·Filed 2011·Granted May 20, 2014·6 cites·23 claims
- 2790US7888165B2Methods of forming a phase change materialMICRON TECHNOLOGY INC·Filed 2008·Granted Feb 15, 2011·7 cites·20 claims
- 2890US5234088APhase change device with splitter springEATON CORP·Filed 1991·Granted Aug 10, 1993·44 cites·20 claims
- 2988US10443627B2Vacuum producing device having a suction passageway and a discharge passageway entering through the same wallFLETCHER DAVID E·Filed 2016·Granted Oct 15, 2019·3 cites·12 claims
- 3088US8319203B2Phase change material, a phase change random access memory device including the phase change material, and a semiconductor structure including the phase change materialHAMPTON KEITH R·Filed 2011·Granted Nov 27, 2012·3 cites·15 claims
- 3188US5131829ATrapped volume vent means for meshing lobes of roots-type superchargerEATON CORP·Filed 1991·Granted Jul 21, 1992·53 cites·2 claims
- 3287US10100720B2Crankcase ventilating evacuatorFLETCHER DAVID E·Filed 2016·Granted Oct 16, 2018·3 cites·18 claims
- 3387US9919689B2Bypass valve in an apparatus for producing vacuumFLETCHER DAVID E·Filed 2017·Granted Mar 20, 2018·6 cites·17 claims
- 3487US9732871B2Aspirated relief valve for a turbocharging systemFLETCHER DAVID E·Filed 2015·Granted Aug 15, 2017·4 cites·17 claims
- 3587US8464679B2Corona tip insulatorPERMUY ALFRED·Filed 2010·Granted Jun 18, 2013·5 cites·17 claims
- 3686US10724550B2Venturi devices with dual Venturi flow pathsDAYCO IP HOLDINGS LLC·Filed 2018·Granted Jul 28, 2020·3 cites·14 claims
- 3786US10239187B2Methods for post-mold processing a Venturi device or check valveFLETCHER DAVID E·Filed 2016·Granted Mar 26, 2019·3 cites·18 claims
- 3886US5078583AInlet port opening for a roots-type blowerEATON CORP·Filed 1990·Granted Jan 7, 1992·47 cites·20 claims
- 3985US10422351B2Devices for producing vacuum using the venturi effect having a plurality of subpassageways and motive exits in the motive sectionFLETCHER DAVID E·Filed 2016·Granted Sep 24, 2019·3 cites·16 claims
- 4084US5690066AEngine valve control actuator with knee action linkageEATON CORP·Filed 1996·Granted Nov 25, 1997·39 cites·15 claims
- 4184US4841924ASealed camshaft phase change deviceEATON CORP·Filed 1988·Granted Jun 27, 1989·34 cites·15 claims
- 4283US9062768B2Piston with oil cooling passage and method of construction thereofFEDERAL MOGUL CORP·Filed 2013·Granted Jun 23, 2015·4 cites·19 claims
- 4383US5697333ADual lift actuation meansEATON CORP·Filed 1997·Granted Dec 16, 1997·41 cites·12 claims
- 4483US5235941AActuator for camshaft phase change deviceEATON CORP·Filed 1992·Granted Aug 17, 1993·33 cites·14 claims
- 4582US10513954B2Restrictors using the Venturi effectFLETCHER DAVID E·Filed 2016·Granted Dec 24, 2019·2 cites·22 claims
- 4682US10316864B2Devices for producing vacuum using the venturi effectFLETCHER DAVID E·Filed 2016·Granted Jun 11, 2019·3 cites·20 claims
- 4782USD821302SVenturi deviceFLETCHER DAVID E·Filed 2015·Granted Jun 26, 2018·14 cites·1 claims
- 4882US9581060B2Evacuator system for supplying high suction vacuum or high suction flow rateFLETCHER DAVID·Filed 2014·Granted Feb 28, 2017·4 cites·23 claims
- 4982US8151781B2Flexible ignitor assembly for air/fuel mixture and method of construction thereofLYKOWSKI JAMES D·Filed 2010·Granted Apr 10, 2012·6 cites·13 claims
- 5082US5040651ASelf actuator for cam phaser with sprag clutchEATON CORP·Filed 1990·Granted Aug 20, 1991·32 cites·7 claims
Showing the top 50 of 120 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →