Assignee
BALZERS PFEIFFER GMBH
DE·8 granted patents·217 citations·filing 1995–1996
Top patents by PatentIndex Score
8 records- 0189US5733104AVacuum pump systemBALZERS PFEIFFER GMBH·Filed 1995·Granted Mar 31, 1998·120 cites·8 claims
- 0271US5707213AMolecular vacuum pump with a gas-cooled rotorBALZERS PFEIFFER GMBH·Filed 1996·Granted Jan 13, 1998·35 cites·6 claims
- 0354US5777414AMagnetic bearing arrangement for a rotorBALZERS PFEIFFER GMBH·Filed 1996·Granted Jul 7, 1998·15 cites·7 claims
- 0451US5547338AFriction pump with magnetic bearings disposed in the impellerBALZERS PFEIFFER GMBH·Filed 1995·Granted Aug 20, 1996·19 cites·5 claims
- 0544US5667363AMagnetically supported friction pumpBALZERS PFEIFFER GMBH·Filed 1995·Granted Sep 16, 1997·15 cites·4 claims
- 0639US5522694AVenting device for magnetically supported vacuum pumpsBALZERS PFEIFFER GMBH·Filed 1995·Granted Jun 4, 1996·11 cites·2 claims
- 0726US5567193AArrangement for vacuum-tight sealing of electron tubesBALZERS PFEIFFER GMBH·Filed 1995·Granted Oct 22, 1996·0 cites·2 claims
- 0823US5797782AApparatus for connecting a vacuum pump stand with an electronic tubeBALZERS PFEIFFER GMBH·Filed 1996·Granted Aug 25, 1998·2 cites·4 claims
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