Inventor
WILK JR CHARLES E
US48 patents
⚠️ This page may combine multiple inventors who share the name “WILK JR CHARLES E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VICTAULIC CO OF AMERICA
37 patentsUS6499771B1Dec 31, 2002
Mechanical pipe coupling with toothed retainer
VICTAULIC CO OF AMERICA174 citations99
USD648427SNov 8, 2011
Ring gasket
VICTAULIC CO OF AMERICA46 citations97
USD643912SAug 23, 2011
Ring gasket
VICTAULIC CO OF AMERICA55 citations97
US6913292B2Jul 5, 2005
Mechanical pipe coupling derived from a standard fitting
VICTAULIC CO OF AMERICA79 citations97
USD524427SJul 4, 2006
Pipe coupling
VICTAULIC CO OF AMERICA47 citations96
USD523123SJun 13, 2006
Elbow coupling
VICTAULIC CO OF AMERICA50 citations96
USD517666SMar 21, 2006
Elbow coupling
VICTAULIC CO OF AMERICA47 citations96
USD482103SNov 11, 2003
Elbow coupling
VICTAULIC CO OF AMERICA51 citations96
USD481110SOct 21, 2003
Tee coupling
VICTAULIC CO OF AMERICA69 citations96
USD756212SMay 17, 2016
Pipe coupling segment
VICTAULIC CO OF AMERICA30 citations94
USD755621SMay 10, 2016
Pipe coupling segment
VICTAULIC CO OF AMERICA20 citations93
USD720051SDec 23, 2014
Pipe element
VICTAULIC CO OF AMERICA18 citations93
USD674064SJan 8, 2013
Pipe coupling segment
VICTAULIC CO OF AMERICA28 citations93
USD674059SJan 8, 2013
Pipe coupling segment
VICTAULIC CO OF AMERICA25 citations93
USD674063SJan 8, 2013
Pipe coupling segment
VICTAULIC CO OF AMERICA31 citations93
USD674062SJan 8, 2013
Pipe coupling segment
VICTAULIC CO OF AMERICA24 citations93
USD674061SJan 8, 2013
Pipe coupling segment
VICTAULIC CO OF AMERICA25 citations93
USD674060SJan 8, 2013
Pipe coupling segment
VICTAULIC CO OF AMERICA22 citations93
US7500699B2Mar 10, 2009
Clamping mechanical pipe coupling derived from a standard fitting
VICTAULIC CO OF AMERICA48 citations92
US7121593B2Oct 17, 2006
Triple-expanded mechanical pipe coupling derived from a standard fitting
VICTAULIC CO OF AMERICA50 citations92
USD517665SMar 21, 2006
Pipe coupling
VICTAULIC CO OF AMERICA24 citations92
USD517176SMar 14, 2006
Tee coupling
VICTAULIC CO OF AMERICA37 citations92
USD516686SMar 7, 2006
Tee coupling
VICTAULIC CO OF AMERICA27 citations92
USD495404SAug 31, 2004
Pipe coupling
VICTAULIC CO OF AMERICA25 citations92
USD493214SJul 20, 2004
Pipe coupling
VICTAULIC CO OF AMERICA18 citations92
USD483441SDec 9, 2003
Pipe coupling
VICTAULIC CO OF AMERICA26 citations92
USD483095SDec 2, 2003
Pipe coupling
VICTAULIC CO OF AMERICA28 citations92
USD483094SDec 2, 2003
Pipe coupling
VICTAULIC CO OF AMERICA25 citations92
USD481447SOct 28, 2003
Elbow coupling
VICTAULIC CO OF AMERICA33 citations92
USD481109SOct 21, 2003
Tee coupling
VICTAULIC CO OF AMERICA35 citations92
USD480786SOct 14, 2003
Tee coupling
VICTAULIC CO OF AMERICA32 citations92
USD480787SOct 14, 2003
Elbow coupling
VICTAULIC CO OF AMERICA32 citations92
US9333543B2May 10, 2016
Pipe element having shoulder, groove and bead
VICTAULIC CO OF AMERICA11 citations84
USD750957SMar 8, 2016
Pipe coupling segment
VICTAULIC CO OF AMERICA10 citations84
USD819789SJun 5, 2018
Elbow fitting
VICTAULIC CO OF AMERICA5 citations82
USD493512SJul 27, 2004
Pipe coupling
VICTAULIC CO OF AMERICA11 citations74
USD842440SMar 5, 2019
Elbow fitting
VICTAULIC CO OF AMERICA0 citations50
DOLE DOUGLAS R
4 patentsUSD665889SAug 21, 2012
Pipe coupling segment
DOLE DOUGLAS R40 citations98
US8777277B2Jul 15, 2014
Pipe element having shoulder, groove and bead and methods and apparatus for manufacture thereof
DOLE DOUGLAS R34 citations94
USD665061SAug 7, 2012
Pipe coupling segment
DOLE DOUGLAS R32 citations92
USD673248SDec 25, 2012
Pipe coupling segment
DOLE DOUGLAS R11 citations84