Inventor · disambiguated record
Leopold J. Niessen
Also filed as: NIESSEN LEOPOLD J
9 granted patents·70 citations·filing 1998–2002
88Inventor score
Top patents by PatentIndex Score
9 records- 0180US6446539B1Dual end stop actuator and methodFiled 2000·Granted Sep 10, 2002·13 cites·47 claims
- 0266US6568422B2Valve locking mechanism and methodFiled 2001·Granted May 27, 2003·14 cites·35 claims
- 0364US6612220B2First adjust dual end stop actuator and methodFiled 2002·Granted Sep 2, 2003·6 cites·17 claims
- 0463US6173965B1Actuator seal bearing assembly and methodFiled 1998·Granted Jan 16, 2001·28 cites·17 claims
- 0557US6604449B2Quarter-turn dual end stop actuator and methodFiled 2002·Granted Aug 12, 2003·5 cites·16 claims
- 0648US6612219B2Adaptor plate for dual end stop actuator and methodFiled 2002·Granted Sep 2, 2003·2 cites·14 claims
- 0747US6655256B2End stops for dual end stop actuator and methodFiled 2002·Granted Dec 2, 2003·2 cites·10 claims
- 0838US6604448B2Dual end stop actuator and methodFiled 2002·Granted Aug 12, 2003·0 cites·15 claims
- 0937US6598511B2Dual end stop actuator rotary drive and methodFiled 2002·Granted Jul 29, 2003·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →