Inventor · disambiguated record
Douglas H. Greiner
Also filed as: GREINER DOUGLAS H
4 granted patents·53 citations·filing 2008–2011
76Inventor score
Top patents by PatentIndex Score
4 records- 0187US8167240B2System and methods for buoyancy management in an airshipGREINER DOUGLAS H·Filed 2009·Granted May 1, 2012·27 cites·25 claims
- 0286US8177161B2Retracting air cushioned landing system for air vehiclesMOREHEAD JOHN P·Filed 2011·Granted May 15, 2012·15 cites·9 claims
- 0380US8016229B2Retracting air cushioned landing system for air vehiclesLOCKHEED CORP·Filed 2008·Granted Sep 13, 2011·10 cites·19 claims
- 0449US9611024B2Ballonet measurement systemGREINER DOUGLAS H·Filed 2011·Granted Apr 4, 2017·1 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →