Inventor
DOLE DOUGLAS R
US206 patents
⚠️ This page may combine multiple inventors who share the name “DOLE DOUGLAS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VICTAULIC CO OF AMERICA
42 patentsUS7950701B2May 31, 2011
Pipe coupling having movable gripping bodies
VICTAULIC CO OF AMERICA96 citations99
USD600326SSep 15, 2009
Pipe coupling
VICTAULIC CO OF AMERICA84 citations99
US7401819B2Jul 22, 2008
Mechanical pipe coupling having spacers
VICTAULIC CO OF AMERICA131 citations99
USD570458SJun 3, 2008
Mechanical coupling
VICTAULIC CO OF AMERICA99 citations99
US6626466B1Sep 30, 2003
Anti-mismatch or near-sized coupling segments
VICTAULIC CO OF AMERICA144 citations99
US6499771B1Dec 31, 2002
Mechanical pipe coupling with toothed retainer
VICTAULIC CO OF AMERICA174 citations99
US7921536B2Apr 12, 2011
Method of pre-assembling pipe couplings and joining pipe elements
VICTAULIC CO OF AMERICA61 citations98
USD629078SDec 14, 2010
Pipe coupling
VICTAULIC CO OF AMERICA71 citations98
USD629080SDec 14, 2010
Pipe coupling
VICTAULIC CO OF AMERICA94 citations98
US7789434B2Sep 7, 2010
Coupling with concave bearing surface
VICTAULIC CO OF AMERICA58 citations98
US7726703B2Jun 1, 2010
Deformable pipe coupling having multiple radii of curvature
VICTAULIC CO OF AMERICA56 citations98
US7712796B2May 11, 2010
Deformable mechanical pipe coupling
VICTAULIC CO OF AMERICA108 citations98
US7654587B2Feb 2, 2010
Mechanical pipe coupling having spacers
VICTAULIC CO OF AMERICA58 citations98
USD602127SOct 13, 2009
Flexible ribbed pipe coupling
VICTAULIC CO OF AMERICA62 citations98
USD598077SAug 11, 2009
Pipe coupling
VICTAULIC CO OF AMERICA52 citations98
USD598076SAug 11, 2009
Nozzle coupling
VICTAULIC CO OF AMERICA57 citations98
USD597635SAug 4, 2009
Nozzle coupling
VICTAULIC CO OF AMERICA57 citations98
USD587349SFeb 24, 2009
Pipe coupling
VICTAULIC CO OF AMERICA66 citations98
USD583916SDec 30, 2008
Pipe coupling
VICTAULIC CO OF AMERICA76 citations98
USD583914SDec 30, 2008
Pipe coupling
VICTAULIC CO OF AMERICA59 citations98
USD583444SDec 23, 2008
Pipe coupling
VICTAULIC CO OF AMERICA82 citations98
USD577423SSep 23, 2008
Nozzle coupling
VICTAULIC CO OF AMERICA116 citations98
USD568451SMay 6, 2008
Mechanical coupling
VICTAULIC CO OF AMERICA61 citations98
US7341287B2Mar 11, 2008
Deformable mechanical pipe coupling
VICTAULIC CO OF AMERICA102 citations98
USD560764SJan 29, 2008
Mechanical coupling
VICTAULIC CO OF AMERICA70 citations98
US7090259B2Aug 15, 2006
Anti-mismatch of near-sized coupling segments
VICTAULIC CO OF AMERICA129 citations98
US7086131B2Aug 8, 2006
Deformable mechanical pipe coupling
VICTAULIC CO OF AMERICA155 citations98
US7591055B2Sep 22, 2009
Method of securing facing end portions of pipe elements
VICTAULIC CO OF AMERICA61 citations97
US6913292B2Jul 5, 2005
Mechanical pipe coupling derived from a standard fitting
VICTAULIC CO OF AMERICA79 citations97
USD629079SDec 14, 2010
Pipe coupling segment
VICTAULIC CO OF AMERICA41 citations96
USD595814SJul 7, 2009
Pipe coupling segment
VICTAULIC CO OF AMERICA36 citations96
USD587348SFeb 24, 2009
Pipe coupling segment
VICTAULIC CO OF AMERICA33 citations96
USD587347SFeb 24, 2009
Pipe coupling segment
VICTAULIC CO OF AMERICA41 citations96
USD568970SMay 13, 2008
Pipe coupling
VICTAULIC CO OF AMERICA48 citations96
USD558307SDec 25, 2007
Pipe coupling
VICTAULIC CO OF AMERICA58 citations96
USD482103SNov 11, 2003
Elbow coupling
VICTAULIC CO OF AMERICA51 citations96
USD481110SOct 21, 2003
Tee coupling
VICTAULIC CO OF AMERICA69 citations96
US5813705ASep 29, 1998
Snap-action pipe coupling retainer
VICTAULIC CO OF AMERICA80 citations96
US5603508AFeb 18, 1997
Gasket for lateral outlet segmented pipe coupling
VICTAULIC CO OF AMERICA64 citations96
US5498042AMar 12, 1996
Quick connect connector for grooved pipe
VICTAULIC CO OF AMERICA77 citations96
US5246256ASep 21, 1993
Roll grooved pipe
VICTAULIC CO OF AMERICA61 citations96
US4702500AOct 27, 1987
Fire resistant seal
VICTAULIC CO OF AMERICA77 citations96
DOLE DOUGLAS R
6 patentsUS8556302B2Oct 15, 2013
Pivoting pipe coupling having a movable gripping body
DOLE DOUGLAS R85 citations98
US8517430B2Aug 27, 2013
Pipe coupling having movable gripping bodies
DOLE DOUGLAS R47 citations98
USRE44444EAug 20, 2013
Method of joining pipes in end to end relation
DOLE DOUGLAS R39 citations98
USD665889SAug 21, 2012
Pipe coupling segment
DOLE DOUGLAS R40 citations98
US8312616B2Nov 20, 2012
Method of using a pipe coupling having movable gripping bodies
DOLE DOUGLAS R37 citations96
US8177263B2May 15, 2012
Pipe coupling having movable gripping bodies
DOLE DOUGLAS R31 citations96
GIBB JOHN
1 patentCUVO ANTHONY J
1 patentShowing the top 50 of 206 patents by PatentIndex Score.