Wolfgang Leier

Person

Bergisch-Gladbach, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Multiple connection for rotation vacuum pumps
- Patent number 5,108,271
- Issue date Apr 28, 1992
- Leybold Aktiengesellschaft
- Hanns-Peter Berges
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method for operating a twin shaft vacuum pump according to the Nort...
- Patent number 5,049,050
- Issue date Sep 17, 1991
- Leybold Aktiengesellschaft
- Hanns-Peter Berges
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Multiple connector for rotation vacuum pumps
- Patent number 5,035,585
- Issue date Jul 30, 1991
- Leybold Aktiengesellschaft
- Hanns-Peter Berges
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Multistage rotary piston vacuum pump having sleeves to fix shaft po...
- Patent number 4,983,107
- Issue date Jan 8, 1991
- Leybold Aktiengesellschaft
- Ralf Steffens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Twin-shaft, multiple-stage vacuum pump with the shafts vertically d...
- Patent number 4,940,398
- Issue date Jul 10, 1990
- Leybold Aktiengesellschaft
- Hanns-Peter Berges
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Filter cartridge with series elements for chemical and mechanical f...
- Patent number 4,886,599
- Issue date Dec 12, 1989
- Leybold AG
- Paul Bachmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Vacuum pump and trap combination
- Patent number 4,612,957
- Issue date Sep 23, 1986
- Leybold-Heraeus GmbH
- Lutz Arndt
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Oil circuit coupler for an oil-sealed vacuum pump
- Patent number 4,588,504
- Issue date May 13, 1986
- Leybold-Heraeus GmbH
- Hanns-Peter Berges
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Oil-sealed vacuum pump
- Patent number 4,525,129
- Issue date Jun 25, 1985
- Leybold-Heraeus GmbH
- Hanns-Peter Berges
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Wolfgang Leier

Person

Patents Grantslast 30 patents

Multiple connection for rotation vacuum pumps

Method for operating a twin shaft vacuum pump according to the Nort...

Multiple connector for rotation vacuum pumps

Multistage rotary piston vacuum pump having sleeves to fix shaft po...

Twin-shaft, multiple-stage vacuum pump with the shafts vertically d...

Filter cartridge with series elements for chemical and mechanical f...

Vacuum pump and trap combination

Oil circuit coupler for an oil-sealed vacuum pump

Oil-sealed vacuum pump