Inventor · disambiguated record
John T. Ostgaard
Also filed as: OSTGAARD JOHN · OSTGAARD JOHN T
7 granted patents·1 pending application·109 citations·filing 1975–2019
85Inventor score
Top patents by PatentIndex Score
8 records- 0165US4372707APile installation and removal mechanisms in off-shore rigs and method of using samePIPE TECHNOLOGY SYSTEMS INC·Filed 1981·Granted Feb 8, 1983·20 cites·12 claims
- 0263US4406152AMethod and apparatus for calibrating a railroad tank carRICHMOND TANK CAR COMPANY·Filed 1981·Granted Sep 27, 1983·23 cites·4 claims
- 0360US5957326AApparatus for retrieving randomly organized articlesFiled 1996·Granted Sep 28, 1999·33 cites·19 claims
- 0450US2009288947A1Hydrogen generator systemOSTGAARD JOHN T·Filed 2008·Application pending·0 cites
- 0549US4257720AApparatus and method for driving members into the ocean floorPIPE TECHNOLOGY SYSTEMS INC·Filed 1979·Granted Mar 24, 1981·12 cites·29 claims
- 0648US10619793B2Oil conditioner for removing fluid impuritiesOSTGAARD JOHN·Filed 2019·Granted Apr 14, 2020·0 cites·19 claims
- 0748US4322182AApparatus and method for under-water jacking of pilesOSTGAARD JOHN T·Filed 1979·Granted Mar 30, 1982·12 cites·10 claims
- 0840US4000701AManned welding and inspection vehicleOSTGAARD JOHN T·Filed 1975·Granted Jan 4, 1977·9 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →