Inventor · disambiguated record
Anthony R. Dopf
Also filed as: DOPF ANTHONY R · DOPF ANTHONY ROBERT
17 granted patents·5 pending applications·462 citations·filing 1998–2020
95Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP5RYAN ENERGY TECHNOLOGIES INC4CAMWELL PAUL L3DOPF ANTHONY R2DRUMHELLER DOUGLAS S2
Top patents by PatentIndex Score
22 records- 0190US6572152B2Subassembly electrical isolation connector for drill rodRYAN ENERGY TECHNOLOGIES INC·Filed 2000·Granted Jun 3, 2003·47 cites·9 claims
- 0290US6050353ASubassembly electrical isolation connector for drill rodRYAN ENERGY TECHNOLOGIES INC·Filed 1998·Granted Apr 18, 2000·74 cites·10 claims
- 0389US8308199B2Electrical isolation connector for electromagnetic gap subCAMWELL PAUL L·Filed 2010·Granted Nov 13, 2012·12 cites·20 claims
- 0487US6956791B2Apparatus for receiving downhole acoustic signalsXACT DOWNHOLE TELEMETRY INC·Filed 2003·Granted Oct 18, 2005·65 cites·8 claims
- 0585US7839719B2Fluid erosion protection washer for rotating shaft in MWD toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Nov 23, 2010·29 cites·11 claims
- 0683US6158532ASubassembly electrical isolation connector for drill rodRYAN ENERGY TECHNOLOGIES INC·Filed 1999·Granted Dec 12, 2000·100 cites·18 claims
- 0780US6902414B2Harsh environment rotatable connectorEXTREME ENGINEERING LTD·Filed 2003·Granted Jun 7, 2005·59 cites·27 claims
- 0879US7900968B2Electrical isolation connector for electromagnetic gap subSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Mar 8, 2011·16 cites·7 claims
- 0974US8174929B2Spindle for mud pulse telemetry applicationsCAMWELL PAUL L·Filed 2008·Granted May 8, 2012·13 cites·19 claims
- 1068US8648733B2Electromagnetic telemetry assembly with protected antennaDOPF ANTHONY R·Filed 2009·Granted Feb 11, 2014·12 cites·19 claims
- 1158US6367323B1Dynamic pressure device for oil drill systemsRYAN ENERGY TECHNOLOGIES INC·Filed 2000·Granted Apr 9, 2002·25 cites·13 claims
- 1256US8270251B2Acoustic isolatorDRUMHELLER DOUGLAS S·Filed 2009·Granted Sep 18, 2012·4 cites·17 claims
- 1355US9022144B2Drill bit assembly having electrically isolated gap joint for measurement of reservoir propertiesCLARK BRIAN·Filed 2009·Granted May 5, 2015·3 cites·20 claims
- 1451US2015101867A1Drill Bit Assembly Having Electrically Isolated Gap Joint for Measurement of Reservoir PropertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Application pending·0 cites
- 1548US7821178B2Brush and brush housing arrangement to mitigate hydrodynamic brush lift in fluid-immersed electric motorsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Oct 26, 2010·2 cites·14 claims
- 1648US2020369307A1Wheeled Pulk and Associated SystemsTRIBAL OUTDOOR GEAR LTD·Filed 2020·Application pending·0 cites
- 1747US8634274B2Spindle for mud pulse telemetry applicationsCAMWELL PAUL L·Filed 2012·Granted Jan 21, 2014·0 cites·20 claims
- 1846US8624464B2Brush and brush housing arrangement to mitigate hydrodynamic brush lift in fluid-immersed electric motorsDOPF ANTHONY R·Filed 2010·Granted Jan 7, 2014·1 cites·14 claims
- 1944US2010043229A1Electrical Isolation Connector For Electromagnetic Gap SubSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 2041US2014049022A1Adjustable and extensible bicycle frameBRAZEN BIKES LTD·Filed 2013·Application pending·0 cites
- 2137US7532540B2Fluid erosion protection washer for rotating shaft in MWD toolEXTREME ENGINEERING LTD·Filed 2006·Granted May 12, 2009·0 cites·8 claims
- 2236US2007153629A1Acoustic isolatorDRUMHELLER DOUGLAS S·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →