Inventor · disambiguated record
Dale Kempf
Also filed as: KEMPF DALE · KEMPF DALE F
34 granted patents·4 pending applications·957 citations·filing 1980–2013
98Inventor score
Top patents by PatentIndex Score
38 records- 0196US9170584B2Water circulation system valve assemblies having water temperature controlGRUNDFOS PUMPS CORP·Filed 2013·Granted Oct 27, 2015·43 cites·20 claims
- 0296US7140382B2Water circulating system having thermostatically controlled bypass valveGRUNDFOS PUMPS CORP·Filed 2005·Granted Nov 28, 2006·32 cites·31 claims
- 0396US6929187B2Water control fixture having thermostatically controlled bypass valveGRUNDFOS PUMPS MFG CORP·Filed 2001·Granted Aug 16, 2005·50 cites·76 claims
- 0495US6536464B1Thermostatically controlled bypass valve and water circulating system for sameGRUNDFOS PUMPS MFG CORP·Filed 2000·Granted Mar 25, 2003·113 cites·48 claims
- 0594US7287707B2Water control fixture having thermostatically controlled bypass valveGRUNDFOS PUMPS CORP·Filed 2005·Granted Oct 30, 2007·29 cites·33 claims
- 0694US5111912ASpring-loaded drive assembly for a wheelchair liftHOGAN MFG INC·Filed 1991·Granted May 12, 1992·58 cites·15 claims
- 0793US7971601B2Water circulation system valve assemblies having water temperature controlGRUNDFOS PUMPS CORP·Filed 2007·Granted Jul 5, 2011·31 cites·11 claims
- 0893US7874498B2Water control fixture having thermostatically controlled bypass valveGRUNDFOS PUMPS CORP·Filed 2006·Granted Jan 25, 2011·29 cites·39 claims
- 0991US7740182B2Method and system for controlled release of hot water from a fixtureGRUNDFOS PUMPS CORP·Filed 2007·Granted Jun 22, 2010·19 cites·24 claims
- 1091US7648078B2Water control fixture having bypass valveGRUNDFOS PUMP MFG CORP·Filed 2007·Granted Jan 19, 2010·20 cites·52 claims
- 1190US8505830B2Water control fixture having bypass valveKEMPF DALE·Filed 2011·Granted Aug 13, 2013·7 cites·20 claims
- 1290US8091793B2Water control fixture having bypass valveKEMPF DALE·Filed 2009·Granted Jan 10, 2012·15 cites·29 claims
- 1389US8434510B2Water circulation system valve assemblies having water temperature controlLUM KEN·Filed 2011·Granted May 7, 2013·10 cites·15 claims
- 1489US7475703B2Thermostatically controlled bypass valveGRUNDFOS PUMPS CORP·Filed 2007·Granted Jan 13, 2009·22 cites·42 claims
- 1589US7073528B2Water pump and thermostatically controlled bypass valveGRUNDFOS PUMPS MFG CORP·Filed 2003·Granted Jul 11, 2006·44 cites·40 claims
- 1688US8522814B2Water control valve assemblyKEMPF DALE·Filed 2009·Granted Sep 3, 2013·14 cites·24 claims
- 1788US8210441B2Water control fixture having a failed closed bypass valveKEMPF DALE·Filed 2010·Granted Jul 3, 2012·11 cites·20 claims
- 1888US5224722ALeaf chain drive assemblyHOGAN MFG INC·Filed 1990·Granted Jul 6, 1993·46 cites·5 claims
- 1984US8231064B2Water control fixture having auxiliary functionsLUM KEN·Filed 2008·Granted Jul 31, 2012·15 cites·19 claims
- 2083US8820652B2Bypass valve for a water circulation systemKEMPF DALE·Filed 2012·Granted Sep 2, 2014·7 cites·24 claims
- 2179US9139985B2Method and system for controlled release of hot water from a fixtureLUM KEN·Filed 2010·Granted Sep 22, 2015·3 cites·29 claims
- 2277US7198059B2Apparatus and system for retrofitting water control valvesGRUNDFOS PUMPS MFG COMPANY·Filed 2004·Granted Apr 3, 2007·30 cites·87 claims
- 2376US8820653B2Water control fixture having bypass valveKEMPF DALE·Filed 2013·Granted Sep 2, 2014·2 cites·20 claims
- 2474US5382130AWheelchair lift with stow latch mechanism and improved barrier cylinder mountingHOGAN MFG INC·Filed 1992·Granted Jan 17, 1995·38 cites·6 claims
- 2569US5375962AEnclosed passenger lift suitable for use in a vehicle having a fixed passenger access stepHOGAN MFG INC·Filed 1992·Granted Dec 27, 1994·52 cites·12 claims
- 2664US5299904AVehicle lift with contact sensorHOGAN MFG INC·Filed 1992·Granted Apr 5, 1994·47 cites·26 claims
- 2763US5284414AWheelchair lift with linkage assembly and hinged connection jointHOGAN MFG INC·Filed 1991·Granted Feb 8, 1994·35 cites·18 claims
- 2860US6736735B2Sports swing training apparatusFiled 2001·Granted May 18, 2004·14 cites·13 claims
- 2958US4278338ACamera-processor apparatusEASTMAN KODAK CO·Filed 1980·Granted Jul 14, 1981·6 cites·7 claims
- 3056US2006049267A1Water control fixture having thermostatically controlled bypass valveLUM KEN·Filed 2005·Application pending·0 cites
- 3154US5158419AWheelchair lift for transit vehicles having elevated passenger compartment floorHOGAN MFG INC·Filed 1991·Granted Oct 27, 1992·36 cites·10 claims
- 3252US2014034166A1Water control valve assemblyKEMPF DALE·Filed 2013·Application pending·0 cites
- 3351US6082976ACirculating pumpGRUNDFOS MANUFACTURING CORP·Filed 1998·Granted Jul 4, 2000·20 cites·37 claims
- 3451US5433580AWheelchair lift with hinged connection jointHOGAN MFG INC·Filed 1993·Granted Jul 18, 1995·22 cites·5 claims
- 3550US5338264ACompliant sheaveLIFT U DIVISION HOGAN MFG INC·Filed 1992·Granted Aug 16, 1994·26 cites·11 claims
- 3649USRE36805EWheelchair lift with linkage assembly and hinged connection jointLIFT U DIVISION HOGAN MFG INC·Filed 1998·Granted Aug 1, 2000·11 cites·18 claims
- 3749US2013180611A1Water control fixture having auxiliary functionsLUM KEN·Filed 2012·Application pending·0 cites
- 3839US2004106092A1Golf training aid apparatusFiled 2003·Application pending·0 cites
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