Inventor · disambiguated record

Helmut Bernhardt

Also filed as: BERNHARDT HELMUT

4 granted patents·96 citations·filing 1989–1995

79Inventor score

Technology areasF04D F16C

Files withBALZERS PFEIFFER GMBH2 ARTHUR PFEIFFER VAKUMMTECHNIK1 PFEIFFER VAKUUMTECHNIK1

Top patents by PatentIndex Score

4 records

0184US5166566AMagnetic bearings for a high speed rotary vacuum pumpPFEIFFER VAKUUMTECHNIK·Filed 1989·Granted Nov 24, 1992·44 cites·5 claims
0255US5209631AArrangement for flooding high speed vacuum pumpsARTHUR PFEIFFER VAKUMMTECHNIK·Filed 1991·Granted May 11, 1993·26 cites·7 claims
0344US5667363AMagnetically supported friction pumpBALZERS PFEIFFER GMBH·Filed 1995·Granted Sep 16, 1997·15 cites·4 claims
0439US5522694AVenting device for magnetically supported vacuum pumpsBALZERS PFEIFFER GMBH·Filed 1995·Granted Jun 4, 1996·11 cites·2 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →