Inventor · disambiguated record
David P. Gerrard
Also filed as: GERRARD DAVID · GERRARD DAVID P · GERRARD DAVID PETER
23 granted patents·8 pending applications·102 citations·filing 2008–2017
94Inventor score
Top patents by PatentIndex Score
31 records- 0195US8604157B2Crosslinked blends of polyphenylene sulfide and polyphenylsulfone for downhole applications, methods of manufacture, and uses thereofGERRARD DAVID P·Filed 2011·Granted Dec 10, 2013·14 cites·43 claims
- 0295US8261761B2Selectively movable seat arrangement and methodGERRARD DAVID P·Filed 2009·Granted Sep 11, 2012·31 cites·20 claims
- 0393US8939222B2Shaped memory polyphenylene sulfide (PPS) for downhole packer applicationsREN JIAXIANG·Filed 2011·Granted Jan 27, 2015·14 cites·21 claims
- 0489US9120898B2Method of curing thermoplastic polymer for shape memory materialREN JIAXIANG·Filed 2011·Granted Sep 1, 2015·5 cites·17 claims
- 0588US9144925B2Shape memory polyphenylene sulfide manufacturing, process, and compositionREN JIAXIANG·Filed 2012·Granted Sep 29, 2015·6 cites·37 claims
- 0687US9090812B2Self-inhibited swell packer compoundGERRARD DAVID P·Filed 2011·Granted Jul 28, 2015·5 cites·39 claims
- 0786US9595654B2Thermoelectric polymer composite, method of making and use of sameROY SAYANTAN·Filed 2013·Granted Mar 14, 2017·6 cites·18 claims
- 0886US9260568B2Method of curing thermoplastic polymer for shape memory materialREN JIAXIANG·Filed 2013·Granted Feb 16, 2016·4 cites·20 claims
- 0978US8962096B2Method for preparing a high temperature polymer coatingREN JIAXIANG·Filed 2012·Granted Feb 24, 2015·2 cites·19 claims
- 1078US8876944B2Downhole fluid separation system and methodREN JIAXIANG·Filed 2012·Granted Nov 4, 2014·6 cites·25 claims
- 1171US9206665B2Coatings for downhole seal materials and method of making the sameGERRARD DAVID PETER·Filed 2008·Granted Dec 8, 2015·2 cites·17 claims
- 1268US9038656B2Restriction engaging systemGERRARD DAVID P·Filed 2011·Granted May 26, 2015·2 cites·17 claims
- 1367US9051819B2Method and apparatus for selectively controlling fluid flowSADANA ANIL K·Filed 2011·Granted Jun 9, 2015·2 cites·19 claims
- 1463US9707642B2Toughened solder for downhole applications, methods of manufacture thereof and articles comprising the sameGERRARD DAVID PETER·Filed 2013·Granted Jul 18, 2017·1 cites·11 claims
- 1560US9927547B2Power generating communication deviceWOOD EDWARD·Filed 2013·Granted Mar 27, 2018·1 cites·24 claims
- 1659US9624744B2Apparatus for subterranean tool actuation using stored torsional spring energyBAKER HUGHES INC·Filed 2013·Granted Apr 18, 2017·1 cites·21 claims
- 1759US8940841B2Polyarylene compositions, methods of manufacture, and articles thereofDUAN PING·Filed 2012·Granted Jan 27, 2015·0 cites·34 claims
- 1857US8829119B2Polyarylene compositions for downhole applications, methods of manufacture, and uses thereofDUAN PING·Filed 2011·Granted Sep 9, 2014·0 cites·32 claims
- 1957US2014352974A1Reactive choke for automatic wellbore fluid management and methods of using sameBAKER HUGHES INC·Filed 2014·Application pending·0 cites
- 2051US2013126184A1Reactive choke for automatic wellbore fluid management and methods of using sameGERRARD DAVID P·Filed 2011·Application pending·0 cites
- 2150US10497849B2Thermoelectric polymer composite, method of making and use of sameROY SAYANTAN·Filed 2017·Granted Dec 3, 2019·0 cites·17 claims
- 2246US9488030B2Confined volume pressure compensation due to thermal loadingBAKER HUGHES INC·Filed 2013·Granted Nov 8, 2016·0 cites·18 claims
- 2344US8736267B2Pressure vessel for non-destructive or non-contact material characterizationGERRARD DAVID PETER·Filed 2011·Granted May 27, 2014·0 cites·20 claims
- 2443US2014154101A1Method and apparatus to control water migration into electrical submersible pump motorsBAKER HUGHES INC·Filed 2013·Application pending·0 cites
- 2543US2011247669A1Power-generating device and method of makingBAKER HUGHES INC·Filed 2010·Application pending·0 cites
- 2642US8739889B2Annular pressure regulating diaphragm and methods of using sameGERRARD DAVID P·Filed 2011·Granted Jun 3, 2014·0 cites·20 claims
- 2742US2013012635A1Cured thermoplastic polymer for shape memory material and articles formed therefromBAKER HUGHES INC·Filed 2011·Application pending·0 cites
- 2838US11536369B2GasketFLEXITALLIC INVEST INC·Filed 2016·Granted Dec 27, 2022·0 cites·19 claims
- 2938US2012090857A1Swellable Member, Swell Controlling Arrangement and Method of Controlling Swelling of a Swellable MemberWELCH JOHN C·Filed 2010·Application pending·0 cites
- 3038US2013075097A1Borehole tool heat transfer altering system and method, and method of heating borehole fluidGERRARD DAVID PETER·Filed 2011·Application pending·0 cites
- 3133US2015354304A1Method and apparatus for thermally actuating and unactuating downhole toolsWOOD EDWARD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →