Inventor · disambiguated record
Hanns-Peter Berges
Also filed as: BERGES HANNS-PETER
17 granted patents·215 citations·filing 1980–1992
94Inventor score
Top patents by PatentIndex Score
17 records- 0183US4886599AFilter cartridge with series elements for chemical and mechanical filtrationLEYBOLD AG·Filed 1987·Granted Dec 12, 1989·53 cites·7 claims
- 0269US4940398ATwin-shaft, multiple-stage vacuum pump with the shafts vertically disposedLEYBOLD AG·Filed 1988·Granted Jul 10, 1990·24 cites·19 claims
- 0358US4983107AMultistage rotary piston vacuum pump having sleeves to fix shaft positionsLEYBOLD AG·Filed 1988·Granted Jan 8, 1991·15 cites·15 claims
- 0458US4525129AOil-sealed vacuum pumpLEYBOLD HERAEUS GMBH & CO KG·Filed 1982·Granted Jun 25, 1985·15 cites·10 claims
- 0558US4483667AVacuum pump and method of operating the sameLEYBOLD HERAEUS GMBH & CO KG·Filed 1982·Granted Nov 20, 1984·15 cites·14 claims
- 0652US5066202AMethod and apparatus for delivering oil to a multi-stage pumpLEYBOLD AG·Filed 1990·Granted Nov 19, 1991·14 cites·9 claims
- 0752US5046934ATwin shaft vacuum pump with purge gas inletLEYBOLD AG·Filed 1990·Granted Sep 10, 1991·13 cites·5 claims
- 0848US5338167ADry-running vacuum pumpLEYBOLD AG·Filed 1992·Granted Aug 16, 1994·11 cites·7 claims
- 0948US4588504AOil circuit coupler for an oil-sealed vacuum pumpLEYBOLD HERAEUS GMBH & CO KG·Filed 1985·Granted May 13, 1986·12 cites·11 claims
- 1044US5108271AMultiple connection for rotation vacuum pumpsLEYBOLD AG·Filed 1991·Granted Apr 28, 1992·8 cites·15 claims
- 1144US4943215AMultistage vacuum pump with bore for fouling removalLEYBOLD AG·Filed 1989·Granted Jul 24, 1990·8 cites·9 claims
- 1240US5049050AMethod for operating a twin shaft vacuum pump according to the Northey principle and a twin shaft vacuum pump suitable for the implementation of the methodLEYBOLD AG·Filed 1990·Granted Sep 17, 1991·8 cites·6 claims
- 1337US5035585AMultiple connector for rotation vacuum pumpsLEYBOLD AG·Filed 1989·Granted Jul 30, 1991·5 cites·5 claims
- 1436US5399817AMufflerLEYBOLD AG·Filed 1991·Granted Mar 21, 1995·5 cites·8 claims
- 1533US4612957AVacuum pump and trap combinationLEYBOLD HERAEUS GMBH & CO KG·Filed 1985·Granted Sep 23, 1986·5 cites·3 claims
- 1630US4561837AMethod of producing a rotor for rotary slide-vane vacuum pumps, and a rotor produced by said methodLEYBOLD HERAEUS GMBH & CO KG·Filed 1980·Granted Dec 31, 1985·2 cites·11 claims
- 1729US4756825AApparatus for purifying hydrogen-free fluorinated lubricantsLEYBOLD HERAEUS GMBH & CO KG·Filed 1986·Granted Jul 12, 1988·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →