Inventor · disambiguated record

Harvey Andrew Ellis

Also filed as: ELLIS HARVEY ANDREW

2 granted patents·48 citations·filing 1997–1999

63Inventor score

Technology areasE21B

Files withVASTAR RESOURCES INC2

Top patents by PatentIndex Score

2 records

0152US6073696AMethod and assembly for treating and producing a welbore using dual tubing stringsVASTAR RESOURCES INC·Filed 1997·Granted Jun 13, 2000·39 cites·13 claims
0223US6247541B1Method of drive pipe replacements on offshore platformsVASTAR RESOURCES INC·Filed 1999·Granted Jun 19, 2001·9 cites·13 claims

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