Inventor · disambiguated record
Walter Gerd Oskar Sonneborn
Also filed as: SONNEBORN WALTER · SONNEBORN WALTER G · SONNEBORN WALTER G O · SONNEBORN WALTER GERD OSKAR
12 granted patents·196 citations·filing 1974–2018
92Inventor score
Files withSONNEBORN WALTER GERD OSKAR4TEXTRON INC3GROEN BROTHERS AVIAT INC2GROEN BROTHERS AVIATION GLOBAL INC1HILL ANDREW T1
Top patents by PatentIndex Score
12 records- 0193US4257739ASoft inplane helicopter rotorTEXTRON INC·Filed 1978·Granted Mar 24, 1981·77 cites·14 claims
- 0292US9902492B1Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraftGROEN BROTHERS AVIATION GLOBAL INC·Filed 2015·Granted Feb 27, 2018·12 cites·16 claims
- 0389US8668162B1Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraftSONNEBORN WALTER GERD OSKAR·Filed 2011·Granted Mar 11, 2014·13 cites·24 claims
- 0485US8752786B2Low speed autogyro yaw control apparatus and methodSONNEBORN WALTER GERD OSKAR·Filed 2012·Granted Jun 17, 2014·9 cites·9 claims
- 0583US8939394B1Anemometer drive apparatus and methodSONNEBORN WALTER GERD OSKAR·Filed 2011·Granted Jan 27, 2015·8 cites·11 claims
- 0682US9205919B1Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraftGROEN BROTHERS AVIAT INC·Filed 2014·Granted Dec 8, 2015·7 cites·16 claims
- 0781US8588996B2Aircraft occupant protection systemHILL ANDREW T·Filed 2009·Granted Nov 19, 2013·19 cites·20 claims
- 0875US8998127B2Pre-landing, rotor-spin-up apparatus and methodSONNEBORN WALTER GERD OSKAR·Filed 2011·Granted Apr 7, 2015·5 cites·19 claims
- 0968US4115031AHub spring moment isolation in underslung two-bladed teetering rotorTEXTRON INC·Filed 1974·Granted Sep 19, 1978·21 cites·9 claims
- 1067US9278754B2Low speed autogyro yaw control apparatus and methodGROEN BROTHERS AVIAT INC·Filed 2014·Granted Mar 8, 2016·3 cites·11 claims
- 1153US4349316ATwist control for helicopter tail rotor pitch changeTEXTRON INC·Filed 1979·Granted Sep 14, 1982·22 cites·7 claims
- 1251US10737776B2Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraftSKYWORKS GLOBAL INC·Filed 2018·Granted Aug 11, 2020·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →