Inventor · disambiguated record
Hai-Ping Ma
Also filed as: MA HAI-PING
3 granted patents·2 pending applications·124 citations·filing 1993–2015
73Inventor score
Top patents by PatentIndex Score
5 records- 0192US5370402APressure balanced compliant seal deviceSEALOL·Filed 1993·Granted Dec 6, 1994·87 cites·38 claims
- 0266US6042121AMetallic sealing ringSEALOL·Filed 1997·Granted Mar 28, 2000·36 cites·29 claims
- 0360US9151387B2Ultra-high vacuum metallic sealDATTA AMITAVA·Filed 2009·Granted Oct 6, 2015·1 cites·9 claims
- 0441US2009081061A1Peripherally pivoted oscillating vane machineCHOMYSZAK STEPHEN M·Filed 2008·Application pending·0 cites
- 0540US2015369366A1Ultra-high vacuum metallic sealPARKER HANNIFIN CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →