Inventor · disambiguated record

Lloyd Walker

Also filed as: WALKER LLOYD · WALKER LLOYD LEWIS

2 granted patents·13 citations·filing 1999–2007

54Inventor score

Technology areasE21B

Files withTOPCO OILSITE PRODUCTS LTD1

Top patents by PatentIndex Score

2 records

0136US7614446B2Swivelling device for a downhole rod pumpTOPCO OILSITE PRODUCTS LTD·Filed 2007·Granted Nov 10, 2009·1 cites·11 claims
0224US6253844B1Swivelling device for a downhole rod pump, and method of use thereofFiled 1999·Granted Jul 3, 2001·12 cites·17 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →