Inventor · disambiguated record
Hans-Friedhelm Kempin
Also filed as: KEMPIN HANS-FRIEDHELM
2 granted patents·55 citations·filing 1979–1980
64Inventor score
Files withDRAEGERWERK AG2
Top patents by PatentIndex Score
2 records- 0160US4248245AMethod and device for determining and separating the alveolar air proportion from the breathing airDRAEGERWERK AG·Filed 1979·Granted Feb 3, 1981·44 cites·5 claims
- 0244US4317453AMethod and apparatus for testing a person's breath for the determination of its alcohol contentDRAEGERWERK AG·Filed 1980·Granted Mar 2, 1982·11 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →