Inventor · disambiguated record
Robert O. Lilley
Also filed as: LILLEY ROBERT O
5 granted patents·485 citations·filing 1987–1997
86Inventor score
Top patents by PatentIndex Score
5 records- 0189US5971077AInsert treeVETCO GRAY INC ABB·Filed 1997·Granted Oct 26, 1999·153 cites·29 claims
- 0287US6076605AHorizontal tree block for subsea wellhead and completion methodVETCO GRAY INC ABB·Filed 1997·Granted Jun 20, 2000·130 cites·20 claims
- 0387US5503230AConcentric tubing hangerVETCO GRAY INC·Filed 1994·Granted Apr 2, 1996·125 cites·25 claims
- 0475US4848457AAnnulus sliding sleeve valveVETCO GRAY INC·Filed 1989·Granted Jul 18, 1989·53 cites·4 claims
- 0566US4771646ARotating and indexing mechanismVETCO GRAY INC·Filed 1987·Granted Sep 20, 1988·24 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →