Inventor · disambiguated record
Douglas Hemphill
Also filed as: HEMPHILL DOUGLAS · HEMPHILL DOUGLAS H
8 granted patents·181 citations·filing 1995–2000
89Inventor score
Technology areasB63B
Top patents by PatentIndex Score
8 records- 0189US6371040B1Combined foam and inflatable collar assemblies for watercraftZODIAC HURRICANE TECHNOLOGIES·Filed 2000·Granted Apr 16, 2002·36 cites·19 claims
- 0289US5878685AFoam collar and boat incorporating sameZODIAC HURRICANE TECHNOLOGIES·Filed 1997·Granted Mar 9, 1999·53 cites·19 claims
- 0372US6178911B1Automatically inflatable boatZODIAC HURRICANE TECHNOLOGIES·Filed 1998·Granted Jan 30, 2001·25 cites·20 claims
- 0472USD407298SLifting eyeZODIAC HURRICANE TECH INC·Filed 1997·Granted Mar 30, 1999·20 cites·1 claims
- 0566US5832864ADiver's door for inflatable boatZODIAC HURRICANE TECHNOLOGIES·Filed 1997·Granted Nov 10, 1998·20 cites·14 claims
- 0651US6371039B1Collar assembly for watercraftZODIAC HURRICANE TECHNOLOGIES·Filed 2000·Granted Apr 16, 2002·4 cites·12 claims
- 0750US5584260ATube attachment device for inflatable boatsZODIAC HURRICANE TECHNOLOGIES·Filed 1995·Granted Dec 17, 1996·12 cites·20 claims
- 0848US5579714ADiver's door for inflatable boatZODIAC HURRICANE TECHNOLOGIES·Filed 1995·Granted Dec 3, 1996·11 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →