Inventor · disambiguated record
Doug Andrews
Also filed as: ANDREWS DOUG
2 granted patents·1 pending application·20 citations·filing 2003–2003
60Inventor score
Technology areasF04B
Files withHELIX TECH CORP3
Top patents by PatentIndex Score
3 records- 0166US6920763B2Integration of automated cryopump safety purgeHELIX TECH CORP·Filed 2003·Granted Jul 26, 2005·10 cites·83 claims
- 0266US6895766B2Fail-safe cryopump safety purge delayHELIX TECH CORP·Filed 2003·Granted May 24, 2005·10 cites·59 claims
- 0337US2004261424A1Integration of automated cryopump safety purge with set pointHELIX TECH CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →