Inventor · disambiguated record
Donald W. Johnson
Also filed as: JOHNSON DONALD W · JOHNSON DONALD WADE
5 granted patents·76 citations·filing 1997–2007
81Inventor score
Top patents by PatentIndex Score
5 records- 0184US7293607B2Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rigNAT OILWELL LP·Filed 2005·Granted Nov 13, 2007·30 cites·89 claims
- 0276US7546869B2Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rigNAT OILWELL LP·Filed 2007·Granted Jun 16, 2009·8 cites·34 claims
- 0374US8006751B2Automated system for positioning and supporting the work platform of a mobile workover and well-servicing rigNAT OILWELL LP·Filed 2007·Granted Aug 30, 2011·16 cites·23 claims
- 0445US5954095AApparatus and method for sealing a damaged pipeGAS REASEARCH INST·Filed 1997·Granted Sep 21, 1999·18 cites·25 claims
- 0528US5920976AApparatus and method for remotely sealing a damaged pipeGAS RES INST·Filed 1997·Granted Jul 13, 1999·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →