Inventor · disambiguated record
Hans T. Clarke
Also filed as: CLARKE HANS T
3 granted patents·130 citations·filing 1987–1998
76Inventor score
Top patents by PatentIndex Score
3 records- 0191US6068459ATip seal for scroll-type vacuum pumpVARIAN INC·Filed 1998·Granted May 30, 2000·73 cites·9 claims
- 0266US5137050APressure relief valve and cryopump utilizing the sameHELIX TECH CORP·Filed 1991·Granted Aug 11, 1992·27 cites·15 claims
- 0360US4831828ACryogenic refrigerator having a convection system to cool a hermetic compressorHELIX TECH CORP·Filed 1987·Granted May 23, 1989·30 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →