Inventor · disambiguated record
Dallas Laird Greenwood
Also filed as: GREENWOOD DALLAS · GREENWOOD DALLAS L · GREENWOOD DALLAS LAIRD
21 granted patents·3 pending applications·149 citations·filing 2010–2018
94Inventor score
Top patents by PatentIndex Score
24 records- 0197US8910803B2Line pipe trayHOLTBY QUINN A J·Filed 2012·Granted Dec 16, 2014·38 cites·8 claims
- 0293US8613373B2Tubing tray and method for using same for collecting fluids draining from drill pipeHOLTBY QUINN A J·Filed 2012·Granted Dec 24, 2013·23 cites·16 claims
- 0390US9784065B2Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wellsKATCH KAN HOLDINGS LTD·Filed 2015·Granted Oct 10, 2017·6 cites·9 claims
- 0488USD715623SHeavy duty line pipe trayHOLTBY QUINN A J·Filed 2012·Granted Oct 21, 2014·39 cites·1 claims
- 0585US9488295B2Line pipe trayKATCH KAN HOLDINGS LTD·Filed 2014·Granted Nov 8, 2016·6 cites·3 claims
- 0675US10174591B2Junk basket and related combinations and methodsKATCH KAN HOLDINGS LTD·Filed 2015·Granted Jan 8, 2019·2 cites·17 claims
- 0772US9353580B2Pipe mat and method for using same for collecting fluids draining from drill pipeHOLTBY QUINN A J·Filed 2012·Granted May 31, 2016·3 cites·14 claims
- 0870US9713829B2Washing apparatusKATCH KAN HOLDINGS LTD·Filed 2015·Granted Jul 25, 2017·1 cites·26 claims
- 0968US9689217B2Apparatus and method for containing fluid or gas released from a pipeHOLTBY QUINN A J·Filed 2010·Granted Jun 27, 2017·3 cites·20 claims
- 1068US9632512B2Well containment deviceKATCH KAN HOLDINGS LTD·Filed 2014·Granted Apr 25, 2017·2 cites·14 claims
- 1164US9695643B2Pipe mat and method for using same for collecting fluids draining from drill pipeKATCH KAN HOLDINGS LTD·Filed 2016·Granted Jul 4, 2017·0 cites·8 claims
- 1263USD813474SWashing apparatusKATCH KAN HOLDINGS LTD·Filed 2016·Granted Mar 20, 2018·9 cites·1 claims
- 1360US10494903B2Junk basket and related combinations and methodsKATCH KAN HOLDINGS LTD·Filed 2018·Granted Dec 3, 2019·0 cites·11 claims
- 1459US10458205B2Removable hand guard for drilling rig hand tongsHOLTBY QUINN A J·Filed 2011·Granted Oct 29, 2019·1 cites·6 claims
- 1559USD716071SPipe matHOLTBY QUINN A J·Filed 2012·Granted Oct 28, 2014·10 cites·1 claims
- 1658US10100585B2Pipe mat and method for using same for collecting fluids draining from drill pipeKATCH KAN HOLDINGS LTD·Filed 2017·Granted Oct 16, 2018·0 cites·9 claims
- 1756US10107063B2Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wellsKATCH KAN HOLDINGS LTD·Filed 2017·Granted Oct 23, 2018·0 cites·8 claims
- 1853US2017356257A1Apparatus and method for containing fluid or gas released from a pipeKATCH KAN HOLDINGS LTD·Filed 2017·Application pending·0 cites
- 1946US10294740B2Well fluid containment device with safety mechanismKATCH KAN HOLDINGS LTD·Filed 2015·Granted May 21, 2019·0 cites·20 claims
- 2046US10174576B2Well string stripper and stabilizerKATCH KAN HOLDINGS LTD·Filed 2015·Granted Jan 8, 2019·0 cites·13 claims
- 2146USD744063SWell containment deviceKATCH KAN HOLDINGS LTD·Filed 2013·Granted Nov 24, 2015·5 cites·1 claims
- 2238US2016169427A1Flange joint containment deviceKATCH KAN HOLDINGS LTD·Filed 2015·Application pending·0 cites
- 2338US2015354742A1Hose couplersKATCH KAN HOLDINGS LTD·Filed 2015·Application pending·0 cites
- 2433USD718610STubing trayHOLTBY QUINN A J·Filed 2012·Granted Dec 2, 2014·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →