Assignee
ALCATEL HOCHVAKUUMTECHNIK GMBH
DE·4 granted patents·60 citations·filing 1988–1990
Top patents by PatentIndex Score
4 records- 0173US5131263ADevice and a method for detecting leaksALCATEL HOCHVAKUUMTECHNIK GMBH·Filed 1990·Granted Jul 21, 1992·40 cites·9 claims
- 0239US4983829AMethod for analyzing gases according to the counter flow principleALCATEL HOCHVAKUUMTECHNIK GMBH·Filed 1989·Granted Jan 8, 1991·4 cites·5 claims
- 0339US4806074AHigh-vacuum pump having a bell-shaped rotorALCATEL HOCHVAKUUMTECHNIK GMBH·Filed 1988·Granted Feb 21, 1989·10 cites·3 claims
- 0436US4921406AMechanical primary vacuum pump including a spring-loaded non-return flap valveALCATEL HOCHVAKUUMTECHNIK GMBH·Filed 1989·Granted May 1, 1990·6 cites·2 claims
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