Inventor · disambiguated record
Karl-Heinz Bernhardt
Also filed as: BERNHARDT KARL-HEINZ
6 granted patents·156 citations·filing 1979–1999
85Inventor score
Top patents by PatentIndex Score
6 records- 0187US4320653AMethod of and apparatus for measuring the rate of leakPFEIFFER VAKUUMTECHNIK·Filed 1980·Granted Mar 23, 1982·47 cites·10 claims
- 0284US5166566AMagnetic bearings for a high speed rotary vacuum pumpPFEIFFER VAKUUMTECHNIK·Filed 1989·Granted Nov 24, 1992·44 cites·5 claims
- 0374US4424633AApparatus for heating and drying articlesPFEIFFER VAKUUMTECHNIK·Filed 1981·Granted Jan 10, 1984·29 cites·7 claims
- 0460US4423766AVacuum condensation apparatusPFEIFFER VAKUUMTECHNIK·Filed 1981·Granted Jan 3, 1984·20 cites·3 claims
- 0549US6071085AGas ballast system for a multi-stage positive displacement pumpPFEIFFER VACUUM GMBH·Filed 1999·Granted Jun 6, 2000·13 cites·4 claims
- 0628US4242942AHydraulic positioner with feedback deviceREXROTH GMBH G L·Filed 1979·Granted Jan 6, 1981·3 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →