Inventor · disambiguated record
Edward Hemphill
Also filed as: HEMPHILL EDWARD R · HEMPHILL EDWARD RYAN
11 granted patents·1 pending application·217 citations·filing 2001–2018
92Inventor score
Top patents by PatentIndex Score
12 records- 0184US6554247B2Quick release blowout preventer bonnetHYDRIL CO·Filed 2001·Granted Apr 29, 2003·70 cites·56 claims
- 0283US7246666B2Mounts for blowout preventer bonnetsHYDRIL CO LP·Filed 2006·Granted Jul 24, 2007·15 cites·7 claims
- 0381US8230930B2Mounts for blowout preventer bonnets and methods of useHEMPHILL EDWARD RYAN·Filed 2010·Granted Jul 31, 2012·6 cites·18 claims
- 0480US6510897B2Rotational mounts for blowout preventer bonnetsHYDRIL CO·Filed 2001·Granted Jan 28, 2003·57 cites·29 claims
- 0577US7121348B2Mounts for blowout preventer bonnetsHYDRIL CO LP·Filed 2006·Granted Oct 17, 2006·10 cites·15 claims
- 0673US7281586B2Mounts for blowout preventer bonnetsHYDRIL CO·Filed 2006·Granted Oct 16, 2007·8 cites·21 claims
- 0763US7096960B2Mounts for blowout preventer bonnetsHYDRIL CO·Filed 2002·Granted Aug 29, 2006·16 cites·33 claims
- 0862US7802626B2Mounts for blowout preventer bonnets and methods of useHYDRIL USA MFG LLC·Filed 2007·Granted Sep 28, 2010·4 cites·22 claims
- 0960US6845959B2Quick release blowout preventer bonnetHYDRIL COMPANY L P·Filed 2003·Granted Jan 25, 2005·24 cites·3 claims
- 1057US7413019B2Mounts for blowout preventer bonnetsHYDRIL USA MFG LLC·Filed 2006·Granted Aug 19, 2008·5 cites·14 claims
- 1139US7699554B2Removable seal carrier for blowout preventer bonnet assemblyHYDRIL USA MFG LLC·Filed 2003·Granted Apr 20, 2010·2 cites·7 claims
- 1234US2018252065A1Wireless control system for subsea devicesHEMPHILL EDWARD RYAN·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →