Inventor · disambiguated record
Derek T. Fern
Also filed as: FERN DEREK T
4 granted patents·57 citations·filing 1982–1986
75Inventor score
Top patents by PatentIndex Score
4 records- 0171US4498811AUnderwater pipeline sealing apparatusMCDERMOTT INC·Filed 1982·Granted Feb 12, 1985·36 cites·18 claims
- 0255US4497594AOffshore structure and method of sinking sameMCDERMOTT INC·Filed 1982·Granted Feb 5, 1985·15 cites·18 claims
- 0326US4735450ALifting gear and testing itPMB SYSTEMS ENG LTD·Filed 1986·Granted Apr 5, 1988·3 cites·16 claims
- 0424US4639166AConstruction of jacketsPMB SYSTEMS ENG LTD·Filed 1985·Granted Jan 27, 1987·3 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →