Inventor · disambiguated record
Donald Leach
Also filed as: LEACH DONALD · LEACH DONALD L
2 granted patents·1 pending application·13 citations·filing 2003–2019
55Inventor score
Top patents by PatentIndex Score
3 records- 0153US2020034789A1Reducing Demurrage CostsSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Application pending·0 cites
- 0245US7431077B2Cable hanger for use in a cable guided fishing assemblyNAT OILWELL DHT LP·Filed 2005·Granted Oct 7, 2008·2 cites·64 claims
- 0344US7066251B2Hydraulic jar lockNAT OILWELL LP·Filed 2003·Granted Jun 27, 2006·11 cites·30 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →