Inventor · disambiguated record
David Engel
Also filed as: ENGEL DAVID · ENGEL DAVID J
19 granted patents·7 pending applications·153 citations·filing 1977–2023
94Inventor score
Top patents by PatentIndex Score
26 records- 0192US10472901B2Electrical wellbore instrument swivel connectorSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Granted Nov 12, 2019·23 cites·20 claims
- 0289US7705882B2Device and system for enabling families to share in long haul truckers' travelsINT TRUCK INTELLECTUAL PROP CO·Filed 2007·Granted Apr 27, 2010·31 cites·3 claims
- 0384US9610894B2Intrusion detection system and methods thereofENGEL GEORGE·Filed 2015·Granted Apr 4, 2017·6 cites·18 claims
- 0481US10518700B1Instrusion detection system and methods thereofTRACK LIFE LLC·Filed 2017·Granted Dec 31, 2019·4 cites·17 claims
- 0574US6935771B2Mixer seal and bearing apparatus and methodSPX CORP·Filed 2003·Granted Aug 30, 2005·17 cites·9 claims
- 0669US7407322B2Tripod-mounted magnetic mixer apparatus and methodSPX CORP·Filed 2005·Granted Aug 5, 2008·5 cites·15 claims
- 0766US12473788B2Downhole tool for automatic tubular cuttingSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Granted Nov 18, 2025·0 cites·14 claims
- 0862US12098608B2Cutting tool and controls for downhole mechanical servicesSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted Sep 24, 2024·0 cites·20 claims
- 0957US6715913B2Shaft bearing support method and apparatusSPX CORP·Filed 2002·Granted Apr 6, 2004·7 cites·19 claims
- 1056US12084934B2Slot cutter system and operationsSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted Sep 10, 2024·0 cites·19 claims
- 1154US6877750B2Drive assembly for a mixerSPX CORP·Filed 2002·Granted Apr 12, 2005·6 cites·12 claims
- 1253US5720486ASelf-formed labyrinth sealGEN SIGNAL CORP·Filed 1996·Granted Feb 24, 1998·15 cites·5 claims
- 1347US6843612B2Retaining ring apparatus and methodSPX CORP·Filed 2002·Granted Jan 18, 2005·1 cites·15 claims
- 1447US5842377AMixer gearbox assembly having a cross-shaft alternatively mounted in one or two bearings and configured to receive different drive motorsGEN SIGNAL CORP·Filed 1996·Granted Dec 1, 1998·13 cites·4 claims
- 1547US2007076995A1Ceramic ball bearingsSPX CORP·Filed 2006·Application pending·0 cites
- 1647US2007076522A1Mixing apparatus and method with ceramic impeller bearingsSPX CORP·Filed 2006·Application pending·0 cites
- 1745US4141668AMethod and apparatus for erecting a bridge structureRAYMOND INT INC·Filed 1977·Granted Feb 27, 1979·9 cites·32 claims
- 1844US2006171252A1Mixing impeller device and methodBLAKLEY ROBERT A·Filed 2003·Application pending·0 cites
- 1939US5746536ADouble taper lock system for a locking a mixer shaft in a quillFiled 1996·Granted May 5, 1998·8 cites·10 claims
- 2039US2002181325A1Mixer seal and bearing apparatus and methodENGEL DAVID J·Filed 2001·Application pending·0 cites
- 2138US2012112449A1Systems and Methods for Production of Customized PublicationsENGEL DAVID·Filed 2011·Application pending·0 cites
- 2237US6457853B1Impeller device and methodSPX CORP·Filed 2000·Granted Oct 1, 2002·0 cites·23 claims
- 2337US2008256904A1System and method to adhere a pouch to an insertINNOVATIVE GRAPHICS GROUP·Filed 2007·Application pending·0 cites
- 2436US5560709AMixer drive apparatus enabling radial changing of shaft sealGEN SIGNAL CORP·Filed 1995·Granted Oct 1, 1996·8 cites·8 claims
- 2534US2001023406A1System and method for personalizing a mailerFiled 2001·Application pending·0 cites
- 2631USD323663STransmission coverGEN SIGNAL CORP·Filed 1989·Granted Feb 4, 1992·0 cites·1 claims
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