Inventor · disambiguated record
Willard J. Lapeyrouse
Also filed as: LAPEYROUSE WILLARD J
3 granted patents·1 pending application·38 citations·filing 2007–2012
68Inventor score
Top patents by PatentIndex Score
4 records- 0182US7762321B2Hydraulic oil well pumping apparatusPETRO HYDRAULIC LIFT SYSTEM L·Filed 2007·Granted Jul 27, 2010·29 cites·60 claims
- 0276US8235107B2Hydraulic oil well pumping apparatusFESI MICHAEL A·Filed 2010·Granted Aug 7, 2012·9 cites·20 claims
- 0354US8678082B2Hydraulic oil well pumping apparatusFESI MICHAEL A·Filed 2012·Granted Mar 25, 2014·0 cites·20 claims
- 0433US2009194291A1Hydraulic oil well pumping apparatusPETRO HYDRAULIC LIFT SYSTEM L·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →