Inventor · disambiguated record
Henry J. Groen
Also filed as: GROEN HENRY J · GROEN HENRY JAY
6 granted patents·1 pending application·206 citations·filing 1981–2004
86Inventor score
Top patents by PatentIndex Score
7 records- 0184US5301900AAutogyro aircraftGROEN HENRY J·Filed 1992·Granted Apr 12, 1994·72 cites·31 claims
- 0282US5544844AAutogyro aircraftFiled 1994·Granted Aug 13, 1996·62 cites·16 claims
- 0378US6739924B1Remotely activated buoyFiled 2003·Granted May 25, 2004·26 cites·14 claims
- 0455US5304036AAutogyro aircraftSEGO TOOL INC·Filed 1990·Granted Apr 19, 1994·31 cites·16 claims
- 0550US6969257B2Golf swing timing/training deviceGROEN HENRY JAY·Filed 2004·Granted Nov 29, 2005·6 cites·35 claims
- 0642US4361111AGolf ball dry rackGROEN HENRY J·Filed 1981·Granted Nov 30, 1982·9 cites·8 claims
- 0738US2005055866A1Gravity-operated separable linkFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →