Inventor · disambiguated record
Roger Champain
Also filed as: CHAMPAIN ROGER
3 granted patents·245 citations·filing 1988–1992
77Inventor score
Technology areasA61M
Top patents by PatentIndex Score
3 records- 0168US4827922AProcess and device for supplying respiratory oxygenAIR LIQUIDE·Filed 1988·Granted May 9, 1989·125 cites·13 claims
- 0259US5443061AApparatus for providing a breathing gas with an overpressure and process of controlling such apparatus installationTAEMA·Filed 1992·Granted Aug 22, 1995·107 cites·9 claims
- 0328US4848332ADevice for controlling the pressure of a fluid and injection system for this fluid employing this deviceAIR LIQUIDE·Filed 1988·Granted Jul 18, 1989·13 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →