Inventor · disambiguated record
Douglas W. Degraaf
Also filed as: DEGRAAF DOUGLAS W
4 granted patents·59 citations·filing 1977–1990
77Inventor score
Top patents by PatentIndex Score
4 records- 0180US4193368AOffshore mooring system for vessel or shipCHICAGO BRIDGE & IRON CO·Filed 1978·Granted Mar 18, 1980·29 cites·20 claims
- 0252US4318423AExternal flowline across a universal jointCHICAGO BRIDGE & IRON CO·Filed 1980·Granted Mar 9, 1982·12 cites·9 claims
- 0344US4135543AHose storage and supply apparatusCHICAGO BRIDGE & IRON CO·Filed 1977·Granted Jan 23, 1979·8 cites·21 claims
- 0426US5115219ASuperconducting magnetic energy storage apparatus structural support systemCHICAGO BRIDGE AND IRON TECHNI·Filed 1990·Granted May 19, 1992·10 cites·60 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →