Inventor
RUTKOWSKI MICHAEL J
US42 patents
⚠️ This page may combine multiple inventors who share the name “RUTKOWSKI MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EMERSON ELECTRIC CO
20 patentsUS6412136B1Jul 2, 2002
Drain cleaning apparatus
EMERSON ELECTRIC CO63 citations96
US6243905B1Jun 12, 2001
Drain cleaning apparatus
EMERSON ELECTRIC CO42 citations96
US6158076ADec 12, 2000
Feed control devices for hand operated drain cleaning tools
EMERSON ELECTRIC CO76 citations96
US6009588AJan 4, 2000
Drain cleaning apparatus
EMERSON ELECTRIC CO75 citations96
US5901401AMay 11, 1999
Feed control device for plumbing tools
EMERSON ELECTRIC CO64 citations96
US5031263AJul 16, 1991
Drain cleaning machine
EMERSON ELECTRIC CO64 citations96
US5031276AJul 16, 1991
Drain cleaning machine
EMERSON ELECTRIC CO92 citations96
US8826483B2Sep 9, 2014
Feed control lock for hand operated drain cleaner
EMERSON ELECTRIC CO37 citations94
US8046862B2Nov 1, 2011
Drain cleaning apparatus with electronic cable counter
EMERSON ELECTRIC CO48 citations92
US7685669B2Mar 30, 2010
Feed control device for plumbing tools
EMERSON ELECTRIC CO35 citations92
USD595911SJul 7, 2009
Frame for a drain cleaning machine
EMERSON ELECTRIC CO19 citations92
US7478451B2Jan 20, 2009
Feed control device for plumbing tools
EMERSON ELECTRIC CO31 citations92
USD579612SOct 28, 2008
Frame for a drain cleaning machine
EMERSON ELECTRIC CO22 citations92
US7367077B2May 6, 2008
Drain cleaning apparatus
EMERSON ELECTRIC CO41 citations92
US6615436B1Sep 9, 2003
Powered drain cleaner
EMERSON ELECTRIC CO60 citations92
US6381798B1May 7, 2002
Spring clutch for drain cleaning machines
EMERSON ELECTRIC CO37 citations92
US5390389AFeb 21, 1995
Wheeled load carrier
EMERSON ELECTRIC CO37 citations87
USD570558SJun 3, 2008
Drain cleaner
EMERSON ELECTRIC CO6 citations74
USD509929SSep 20, 2005
Drain cleaner
EMERSON ELECTRIC CO11 citations74
US4795175AJan 3, 1989
Nipple chuck
EMERSON ELECTRIC CO9 citations74
RIDGE TOOL CO
17 patentsUSD818949SMay 29, 2018
Battery
RIDGE TOOL CO24 citations94
US9670656B2Jun 6, 2017
Quick release mechanisms for plumbing tools
RIDGE TOOL CO24 citations94
US10071401B2Sep 11, 2018
Feed control device for plumbing tools
RIDGE TOOL CO13 citations84
US10851868B2Dec 1, 2020
Motor dampener and drive train for plumbing tools
RIDGE TOOL CO6 citations83
US9080599B2Jul 14, 2015
Cable coupling
RIDGE TOOL CO9 citations82
US10105834B2Oct 23, 2018
Adapters for chain pipe vises
RIDGE TOOL CO2 citations73
US10233629B2Mar 19, 2019
Cable movement indicator for plumbing tools
RIDGE TOOL CO2 citations72
US10156252B2Dec 18, 2018
Cable couplings for drain cleaning tools
RIDGE TOOL CO2 citations71
USD744558SDec 1, 2015
Frame
RIDGE TOOL CO1 citations63
US10646905B2May 12, 2020
Modular guide hose system for plumbing tools
RIDGE TOOL CO1 citations61
US12467248B2Nov 11, 2025
Powered drain cleaner with flex shaft
RIDGE TOOL CO0 citations60
US11815152B2Nov 14, 2023
Motor dampener and drive train for plumbing tools
RIDGE TOOL CO0 citations59
US12281747B2Apr 22, 2025
Bipod support for handheld drain cleaning machine
RIDGE TOOL CO0 citations53
US10508431B2Dec 17, 2019
Clear drum covers for plumbing tools
RIDGE TOOL CO0 citations51
USD745230SDec 8, 2015
Cable coupling
RIDGE TOOL CO1 citations51
US9950372B2Apr 24, 2018
Transportable beveling tool
RIDGE TOOL CO0 citations49
US12496624B2Dec 16, 2025
Torque limiter for powered drain cleaner
RIDGE TOOL CO0 citations48