Inventor · disambiguated record
Doug Christian Greening
Also filed as: GREENING DOUG · GREENING DOUG CHRISTIAN
11 granted patents·114 citations·filing 2003–2018
88Inventor score
Top patents by PatentIndex Score
11 records- 0194US7343719B2Automated food processing system and methodRESTAURANT TECHNOLOGY·Filed 2005·Granted Mar 18, 2008·37 cites·17 claims
- 0292US9650880B2Waveform anti-stick slip system and methodTESCO CORP·Filed 2014·Granted May 16, 2017·18 cites·23 claims
- 0389US7303776B2Automated food processing system and methodRESTAURANT TECHNOLOGY·Filed 2003·Granted Dec 4, 2007·41 cites·48 claims
- 0485US7703636B2Frozen food dispensing device and methodRESTAURANT TECHNOLOGY·Filed 2007·Granted Apr 27, 2010·10 cites·37 claims
- 0574US10697257B2Interlock system and method for a drilling rigNABORS DRILLING TECH USA INC·Filed 2018·Granted Jun 30, 2020·2 cites·19 claims
- 0669US9359835B2Pipe drive sealing system and methodTESCO CORP·Filed 2012·Granted Jun 7, 2016·3 cites·16 claims
- 0766US9896893B2Pipe drive sealing system and methodTESCO CORP·Filed 2016·Granted Feb 20, 2018·1 cites·20 claims
- 0859US9784054B2System and method for establishing tubular connectionsTESCO CORP·Filed 2014·Granted Oct 10, 2017·2 cites·20 claims
- 0947US9657533B2Drilling component retention system and methodTESCO CORP·Filed 2014·Granted May 23, 2017·0 cites·17 claims
- 1046US10174570B2System and method for mud circulationNABORS DRILLING TECH USA INC·Filed 2014·Granted Jan 8, 2019·0 cites·18 claims
- 1140US10370899B2Mud saver valve measurement system and methodNABORS DRILLING TECH USA INC·Filed 2017·Granted Aug 6, 2019·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →