Inventor
KEMPF DALE
US33 patents
⚠️ This page may combine multiple inventors who share the name “KEMPF DALE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOGAN MFG INC
8 patentsUS5111912AMay 12, 1992
Spring-loaded drive assembly for a wheelchair lift
HOGAN MFG INC58 citations96
US5433580AJul 18, 1995
Wheelchair lift with hinged connection joint
HOGAN MFG INC22 citations92
US5382130AJan 17, 1995
Wheelchair lift with stow latch mechanism and improved barrier cylinder mounting
HOGAN MFG INC38 citations92
US5375962ADec 27, 1994
Enclosed passenger lift suitable for use in a vehicle having a fixed passenger access step
HOGAN MFG INC52 citations92
US5299904AApr 5, 1994
Vehicle lift with contact sensor
HOGAN MFG INC47 citations92
US5284414AFeb 8, 1994
Wheelchair lift with linkage assembly and hinged connection joint
HOGAN MFG INC35 citations92
US5224722AJul 6, 1993
Leaf chain drive assembly
HOGAN MFG INC46 citations92
US5158419AOct 27, 1992
Wheelchair lift for transit vehicles having elevated passenger compartment floor
HOGAN MFG INC36 citations90
GRUNDFOS PUMPS CORP
7 patentsUS9170584B2Oct 27, 2015
Water circulation system valve assemblies having water temperature control
GRUNDFOS PUMPS CORP43 citations98
US7287707B2Oct 30, 2007
Water control fixture having thermostatically controlled bypass valve
GRUNDFOS PUMPS CORP29 citations96
US7140382B2Nov 28, 2006
Water circulating system having thermostatically controlled bypass valve
GRUNDFOS PUMPS CORP32 citations96
US7971601B2Jul 5, 2011
Water circulation system valve assemblies having water temperature control
GRUNDFOS PUMPS CORP31 citations92
US7874498B2Jan 25, 2011
Water control fixture having thermostatically controlled bypass valve
GRUNDFOS PUMPS CORP29 citations92
US7740182B2Jun 22, 2010
Method and system for controlled release of hot water from a fixture
GRUNDFOS PUMPS CORP19 citations92
US7475703B2Jan 13, 2009
Thermostatically controlled bypass valve
GRUNDFOS PUMPS CORP22 citations92
KEMPF DALE
6 patentsUS8091793B2Jan 10, 2012
Water control fixture having bypass valve
KEMPF DALE15 citations92
US8820652B2Sep 2, 2014
Bypass valve for a water circulation system
KEMPF DALE7 citations84
US8522814B2Sep 3, 2013
Water control valve assembly
KEMPF DALE14 citations84
US8505830B2Aug 13, 2013
Water control fixture having bypass valve
KEMPF DALE7 citations84
US8210441B2Jul 3, 2012
Water control fixture having a failed closed bypass valve
KEMPF DALE11 citations84
US8820653B2Sep 2, 2014
Water control fixture having bypass valve
KEMPF DALE2 citations62
GRUNDFOS PUMPS MFG CORP
3 patentsUS6536464B1Mar 25, 2003
Thermostatically controlled bypass valve and water circulating system for same
GRUNDFOS PUMPS MFG CORP113 citations97
US6929187B2Aug 16, 2005
Water control fixture having thermostatically controlled bypass valve
GRUNDFOS PUMPS MFG CORP50 citations96
US7073528B2Jul 11, 2006
Water pump and thermostatically controlled bypass valve
GRUNDFOS PUMPS MFG CORP44 citations92
LUM KEN
3 patentsUS8434510B2May 7, 2013
Water circulation system valve assemblies having water temperature control
LUM KEN10 citations83
US8231064B2Jul 31, 2012
Water control fixture having auxiliary functions
LUM KEN15 citations83
US9139985B2Sep 22, 2015
Method and system for controlled release of hot water from a fixture
LUM KEN3 citations62