Inventor · disambiguated record
Donald Mike Johnson
Also filed as: JOHNSON DONALD M · JOHNSON DONALD MIKE
14 granted patents·2 pending applications·93 citations·filing 1993–2024
90Inventor score
Files withTRC SERVICES INC8JOHNSON MICHAEL ERIC3CENTRAX INT CORP2CENTRAX INTERNAT CORP1JOHNSON DONALD MIKE1
Top patents by PatentIndex Score
16 records- 0185US9840893B2Inspection methods for reprocessing non-metallic oilfield toolsTRC SERVICES INC·Filed 2014·Granted Dec 12, 2017·6 cites·19 claims
- 0283US10508522B2Automatic sucker rod spacing device and methods of using sameTRC SERVICES INC·Filed 2017·Granted Dec 17, 2019·5 cites·34 claims
- 0383US5452749ACorrosion inhibitor and sealable thread protector end cap for tubular goodsCENTRAX INT CORP·Filed 1994·Granted Sep 26, 1995·35 cites·4 claims
- 0478US10195699B2Sucker rodTRC SERVICES INC·Filed 2015·Granted Feb 5, 2019·5 cites·9 claims
- 0576US7985938B2Method of sorting used tubular goods prior to reclaiming or reconditioningTRC SERVICES INC·Filed 2008·Granted Jul 26, 2011·8 cites·12 claims
- 0676US5352383ACorrosion inhibitor and sealable thread protector end cap for tubular goodsCENTRAX INT CORP·Filed 1993·Granted Oct 4, 1994·26 cites·8 claims
- 0775US9278412B2Sucker rodJOHNSON MICHAEL ERIC·Filed 2012·Granted Mar 8, 2016·4 cites·13 claims
- 0874US10563773B2Fluid system coupling with internal valvesOPW ENG SYSTEMS INC·Filed 2017·Granted Feb 18, 2020·2 cites·18 claims
- 0972US12421807B2Connection assembly and method to assemble sucker rodTRC SERVICES INC·Filed 2024·Granted Sep 23, 2025·0 cites·21 claims
- 1071US11199053B2Sucker rod with adhesive-attached end pieceTRC SERVICES INC·Filed 2020·Granted Dec 14, 2021·1 cites·20 claims
- 1167US11168549B2Automated sucker rod spacing device and associated methodsTRC SERVICES INC·Filed 2019·Granted Nov 9, 2021·1 cites·26 claims
- 1260US10781666B2Inspection methods for reprocessing non-metallic oilfield toolsTRC SERVICES INC·Filed 2017·Granted Sep 22, 2020·0 cites·18 claims
- 1351US2016144415A1Sucker rodJOHNSON MICHAEL ERIC·Filed 2016·Application pending·0 cites
- 1446US2016151819A1Sucker rodJOHNSON MICHAEL ERIC·Filed 2016·Application pending·0 cites
- 1544US9193013B2Methods and systems for assembly of fiberglass reinforced sucker rodsCENTRAX INTERNAT CORP·Filed 2014·Granted Nov 24, 2015·0 cites·4 claims
- 1643US8721815B2Methods and systems for assembly of fiberglass reinforced sucker rodsJOHNSON DONALD MIKE·Filed 2011·Granted May 13, 2014·0 cites·15 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →