Inventor · disambiguated record
Stephen P. Simons
Also filed as: SIMONS STEPHEN P
7 granted patents·138 citations·filing 1991–1997
87Inventor score
Files withHYDRIL CO7
Top patents by PatentIndex Score
7 records- 0172US5713581AFibrous seal for blowout preventerHYDRIL CO·Filed 1996·Granted Feb 3, 1998·44 cites·7 claims
- 0255US5542454AFree flow low energy pipe protectorHYDRIL CO·Filed 1994·Granted Aug 6, 1996·29 cites·7 claims
- 0345US5851013ABlowout preventer packing element with metallic insertsHYDRIL CO·Filed 1997·Granted Dec 22, 1998·24 cites·3 claims
- 0440US5405467ARubber riveting of molded partsHYDRIL CO·Filed 1993·Granted Apr 11, 1995·13 cites·2 claims
- 0535US5906375ARubber riveting of molded partsHYDRIL CO·Filed 1996·Granted May 25, 1999·10 cites·7 claims
- 0635US5180137ARam type blowout preventer having improved ram front packingsHYDRIL CO·Filed 1991·Granted Jan 19, 1993·11 cites·16 claims
- 0731US5364064ASafety sub with asymmetrical wall elastomeric closure for retaining drilling fluidsHYDRIL CO·Filed 1994·Granted Nov 15, 1994·7 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →