Inventor · disambiguated record
Douglas R. Dole
Also filed as: DOLE DOUGLAS R
206 granted patents·22 pending applications·6,828 citations·filing 1986–2023
99Inventor score
Top patents by PatentIndex Score
228 records- 0199US11549574B2Cam grooving machineVICTAULIC CO OF AMERICA·Filed 2021·Granted Jan 10, 2023·6 cites·2 claims
- 0299US11446725B2Pipe grooving device having flared cupVICTAULIC CO OF AMERICA·Filed 2020·Granted Sep 20, 2022·6 cites·24 claims
- 0399US11383285B2Pipe grooving deviceVICTAULIC CO OF AMERICA·Filed 2021·Granted Jul 12, 2022·8 cites·37 claims
- 0499US11173533B2Cam grooving machineVICTAULIC CO OF AMERICA·Filed 2019·Granted Nov 16, 2021·10 cites·37 claims
- 0599US10525516B2Cam grooving machine with cam stop surfacesVICTAULIC CO OF AMERICA·Filed 2017·Granted Jan 7, 2020·11 cites·44 claims
- 0699US8777277B2Pipe element having shoulder, groove and bead and methods and apparatus for manufacture thereofDOLE DOUGLAS R·Filed 2011·Granted Jul 15, 2014·34 cites·19 claims
- 0799US8556302B2Pivoting pipe coupling having a movable gripping bodyDOLE DOUGLAS R·Filed 2012·Granted Oct 15, 2013·85 cites·18 claims
- 0899US8312616B2Method of using a pipe coupling having movable gripping bodiesDOLE DOUGLAS R·Filed 2011·Granted Nov 20, 2012·37 cites·23 claims
- 0999US7950701B2Pipe coupling having movable gripping bodiesVICTAULIC CO OF AMERICA·Filed 2008·Granted May 31, 2011·96 cites·22 claims
- 1099US7090259B2Anti-mismatch of near-sized coupling segmentsVICTAULIC CO OF AMERICA·Filed 2003·Granted Aug 15, 2006·129 cites·13 claims
- 1199US6499771B1Mechanical pipe coupling with toothed retainerVICTAULIC CO OF AMERICA·Filed 2000·Granted Dec 31, 2002·174 cites·36 claims
- 1298US12276360B2Combination sealing member and pipe couplingsVICTAULIC CO OF AMERICA·Filed 2023·Granted Apr 15, 2025·3 cites·13 claims
- 1398US11883871B2Pipe receiving assembly for a pipe grooving deviceVICTAULIC CO OF AMERICA·Filed 2022·Granted Jan 30, 2024·2 cites·24 claims
- 1498US11441663B2Cam grooving machine with cam stop surfacesVICTAULIC CO OF AMERICA·Filed 2019·Granted Sep 13, 2022·6 cites·50 claims
- 1598US11441662B2Cam with stop surfacesVICTAULIC CO OF AMERICA·Filed 2019·Granted Sep 13, 2022·6 cites·28 claims
- 1698US10960450B2Pipe grooving deviceVICTAULIC CO OF AMERICA·Filed 2018·Granted Mar 30, 2021·12 cites·25 claims
- 1798US10550971B2Pipe element having wedging grooveVICTAULIC CO OF AMERICA·Filed 2017·Granted Feb 4, 2020·7 cites·25 claims
- 1898US8517430B2Pipe coupling having movable gripping bodiesDOLE DOUGLAS R·Filed 2012·Granted Aug 27, 2013·47 cites·20 claims
- 1998USRE44444EMethod of joining pipes in end to end relationDOLE DOUGLAS R·Filed 2012·Granted Aug 20, 2013·39 cites·22 claims
- 2098US8267432B2Coupling having angularly oriented key surfacesMADARA SCOTT D·Filed 2010·Granted Sep 18, 2012·44 cites·35 claims
- 2198US8177263B2Pipe coupling having movable gripping bodiesDOLE DOUGLAS R·Filed 2011·Granted May 15, 2012·31 cites·18 claims
- 2298US7921536B2Method of pre-assembling pipe couplings and joining pipe elementsVICTAULIC CO OF AMERICA·Filed 2009·Granted Apr 12, 2011·61 cites·19 claims
- 2398US7789434B2Coupling with concave bearing surfaceVICTAULIC CO OF AMERICA·Filed 2006·Granted Sep 7, 2010·58 cites·26 claims
- 2498US7712796B2Deformable mechanical pipe couplingVICTAULIC CO OF AMERICA·Filed 2006·Granted May 11, 2010·108 cites·45 claims
- 2598US7654587B2Mechanical pipe coupling having spacersVICTAULIC CO OF AMERICA·Filed 2008·Granted Feb 2, 2010·58 cites·8 claims
- 2698US7591055B2Method of securing facing end portions of pipe elementsVICTAULIC CO OF AMERICA·Filed 2005·Granted Sep 22, 2009·61 cites·2 claims
- 2798USD600326SPipe couplingVICTAULIC CO OF AMERICA·Filed 2007·Granted Sep 15, 2009·84 cites·1 claims
- 2898USD583444SPipe couplingVICTAULIC CO OF AMERICA·Filed 2007·Granted Dec 23, 2008·82 cites·1 claims
- 2998USD577423SNozzle couplingVICTAULIC CO OF AMERICA·Filed 2008·Granted Sep 23, 2008·116 cites·1 claims
- 3098US7401819B2Mechanical pipe coupling having spacersVICTAULIC CO OF AMERICA·Filed 2005·Granted Jul 22, 2008·131 cites·12 claims
- 3198USD570458SMechanical couplingVICTAULIC CO OF AMERICA·Filed 2007·Granted Jun 3, 2008·99 cites·1 claims
- 3298US7341287B2Deformable mechanical pipe couplingVICTAULIC CO OF AMERICA·Filed 2005·Granted Mar 11, 2008·102 cites·20 claims
- 3398US7086131B2Deformable mechanical pipe couplingVICTAULIC CO OF AMERICA·Filed 2005·Granted Aug 8, 2006·155 cites·1 claims
- 3498US6626466B1Anti-mismatch or near-sized coupling segmentsVICTAULIC CO OF AMERICA·Filed 1999·Granted Sep 30, 2003·144 cites·24 claims
- 3597US10525517B2Cam grooving machineVICTAULIC CO OF AMERICA·Filed 2016·Granted Jan 7, 2020·11 cites·33 claims
- 3697US9726310B2Combination sealing member and pipe couplingsVICTAULIC CO OF AMERICA·Filed 2014·Granted Aug 8, 2017·16 cites·16 claims
- 3797US9333543B2Pipe element having shoulder, groove and beadVICTAULIC CO OF AMERICA·Filed 2014·Granted May 10, 2016·11 cites·36 claims
- 3897US8820795B2Fitting for joining pipe elementsDOLE DOUGLAS R·Filed 2012·Granted Sep 2, 2014·25 cites·23 claims
- 3997US8424918B2Deformable mechanical pipe coupling with shoulder pipe elementsGIBB JOHN·Filed 2010·Granted Apr 23, 2013·40 cites·29 claims
- 4097US7726703B2Deformable pipe coupling having multiple radii of curvatureVICTAULIC CO OF AMERICA·Filed 2006·Granted Jun 1, 2010·56 cites·20 claims
- 4197USD602127SFlexible ribbed pipe couplingVICTAULIC CO OF AMERICA·Filed 2009·Granted Oct 13, 2009·62 cites·1 claims
- 4297USD587349SPipe couplingVICTAULIC CO OF AMERICA·Filed 2008·Granted Feb 24, 2009·66 cites·1 claims
- 4397USD583916SPipe couplingVICTAULIC CO OF AMERICA·Filed 2007·Granted Dec 30, 2008·76 cites·1 claims
- 4497USD560764SMechanical couplingVICTAULIC CO OF AMERICA·Filed 2005·Granted Jan 29, 2008·70 cites·1 claims
- 4596US11499618B2Cam grooving machineVICTAULIC CO OF AMERICA·Filed 2019·Granted Nov 15, 2022·6 cites·19 claims
- 4696USD629080SPipe couplingVICTAULIC CO OF AMERICA·Filed 2010·Granted Dec 14, 2010·94 cites·1 claims
- 4796US7552742B2Hot tap deviceVICTAULIC CO OF AMERICA·Filed 2007·Granted Jun 30, 2009·37 cites·5 claims
- 4896USD583914SPipe couplingVICTAULIC CO OF AMERICA·Filed 2007·Granted Dec 30, 2008·59 cites·1 claims
- 4996USD568451SMechanical couplingVICTAULIC CO OF AMERICA·Filed 2007·Granted May 6, 2008·61 cites·1 claims
- 5096USD558307SPipe couplingVICTAULIC CO OF AMERICA·Filed 2005·Granted Dec 25, 2007·58 cites·1 claims
Showing the top 50 of 228 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →