Inventor
YAHNKER CHRISTOPHER R
US39 patents
⚠️ This page may combine multiple inventors who share the name “YAHNKER CHRISTOPHER R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BLACK & DECKER INC
23 patentsUS7868591B2Jan 11, 2011
Cordless power system
BLACK & DECKER INC182 citations99
US7688028B2Mar 30, 2010
Cordless power system
BLACK & DECKER INC1,831 citations99
US7270910B2Sep 18, 2007
Thermal management systems for battery packs
BLACK & DECKER INC146 citations99
US6304058B2Oct 16, 2001
Cordless power tool system
BLACK & DECKER INC96 citations99
US6286609B1Sep 11, 2001
AC/DC chopper for power tool
BLACK & DECKER INC153 citations99
US7723952B2May 25, 2010
Cordless power system with system component identification and/or battery pack control
BLACK & DECKER INC100 citations98
US7508171B2Mar 24, 2009
Protection methods, protection circuits and protective devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack
BLACK & DECKER INC131 citations98
US7160132B2Jan 9, 2007
Battery pack—cordless power device interface system
BLACK & DECKER INC106 citations98
US7602146B2Oct 13, 2009
Protection methods, protection circuits and protection devices for secondary batteries, a power tool, charger and battery pack adapted to provide protection against fault conditions in the battery pack
BLACK & DECKER INC58 citations97
US7397219B2Jul 8, 2008
Battery pack for transportation and operation
BLACK & DECKER INC57 citations97
US7598705B2Oct 6, 2009
Cordless power tool system having cordless power tool and battery pack that employ cooperating rails and grooves for connection of battery pack to cordless power tool
BLACK & DECKER INC41 citations96
US7486047B2Feb 3, 2009
Battery pack shipping method
BLACK & DECKER INC44 citations96
US7463007B2Dec 9, 2008
Battery pack housing and packaging
BLACK & DECKER INC44 citations96
US7443134B2Oct 28, 2008
Battery pack shipping system and method
BLACK & DECKER INC40 citations96
US7005831B2Feb 28, 2006
Cordless power tool system utilizing battery pack connection system with guide rails and guide slots
BLACK & DECKER INC35 citations96
US6653815B2Nov 25, 2003
Cordless power tool system
BLACK & DECKER INC43 citations96
US6515451B2Feb 4, 2003
Cordless power tool system
BLACK & DECKER INC50 citations96
US7686853B2Mar 30, 2010
Apparatus for interconnecting battery cells in a battery pack and method thereof
BLACK & DECKER INC30 citations93
US7423407B2Sep 9, 2008
Cordless power tool system having slidably-engaging power source connection
BLACK & DECKER INC17 citations93
US6972544B2Dec 6, 2005
Apparatus for interconnecting battery cells in a battery pack and method thereof
BLACK & DECKER INC40 citations93
US7453234B2Nov 18, 2008
Battery pack—cordless power device interface system
BLACK & DECKER INC35 citations92
US7058291B2Jun 6, 2006
Brushless DC motor
BLACK & DECKER INC47 citations92
US6975050B2Dec 13, 2005
Brushless DC motor
BLACK & DECKER INC45 citations91
PENTAIR WATER POOL & SPA INC
8 patentsUS8043070B2Oct 25, 2011
Speed control
PENTAIR WATER POOL & SPA INC100 citations99
US7686589B2Mar 30, 2010
Pumping system with power optimization
PENTAIR WATER POOL & SPA INC80 citations98
US7854597B2Dec 21, 2010
Pumping system with two way communication
PENTAIR WATER POOL & SPA INC94 citations97
US8019479B2Sep 13, 2011
Control algorithm of variable speed pumping system
PENTAIR WATER POOL & SPA INC74 citations96
USD568340SMay 6, 2008
Water pump
PENTAIR WATER POOL & SPA INC62 citations95
USD606562SDec 22, 2009
Water pump
PENTAIR WATER POOL & SPA INC29 citations91
US7513993B2Apr 7, 2009
Filter devices including a porous body
PENTAIR WATER POOL & SPA INC21 citations86
US11073155B2Jul 27, 2021
Pumping system with power optimization
PENTAIR WATER POOL & SPA INC2 citations73
STILES JR ROBERT W
5 patentsUS8465262B2Jun 18, 2013
Speed control
STILES JR ROBERT W74 citations99
US8500413B2Aug 6, 2013
Pumping system with power optimization
STILES JR ROBERT W59 citations98
US8840376B2Sep 23, 2014
Pumping system with power optimization
STILES JR ROBERT W21 citations92
US10240606B2Mar 26, 2019
Pumping system with two way communication
STILES JR ROBERT W6 citations82
US10871163B2Dec 22, 2020
Pumping system and method having an independent controller
STILES JR ROBERT W1 citations72