Ulf Dworak

Person

Baltmannsweiler, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method of etching ceramic frictional or sealing elements
- Patent number 5,032,215
- Issue date Jul 16, 1991
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sintered molding, a method for producing it and its use
- Patent number 4,975,397
- Issue date Dec 4, 1990
- Feldmuehle Aktiengesellschaft
- Ulf Dworak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sintered form body
- Patent number 4,895,815
- Issue date Jan 23, 1990
- Feldmuehle Aktiengesellschaft
- Hans Olapinski
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cutting tool insert
- Patent number 4,789,650
- Issue date Dec 6, 1988
- Feldmuehle Aktiengesellschaft
- Kilian Friederich
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Valve guide for an internal combustion engine
- Patent number 4,716,869
- Issue date Jan 5, 1988
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sintered ceramic shaped article wholly or predominantly of eutectic...
- Patent number 4,595,663
- Issue date Jun 17, 1986
- Feldmuhle Aktiengesellschaft
- Ulrich Krohn
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Piston with a member made of partially stabilized zirconium oxide
- Patent number 4,535,683
- Issue date Aug 20, 1985
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Thermal insulation lining of ceramic material for a hot gas duct en...
- Patent number 4,526,824
- Issue date Jul 2, 1985
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Cylinder head of a piston engine
- Patent number 4,524,732
- Issue date Jun 25, 1985
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Piston ring for an internal combustion engine
- Patent number 4,522,415
- Issue date Jun 11, 1985
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Pre-combustion or turbulence chamber for internal combustion engines
- Patent number 4,522,171
- Issue date Jun 11, 1985
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Mullite plate
- Patent number 4,519,359
- Issue date May 28, 1985
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Machine component of oxide ceramic material
- Patent number 4,420,142
- Issue date Dec 13, 1983
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cutting tip for metal-removing processing
- Patent number 4,331,048
- Issue date May 25, 1982
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sintered ceramic material of improved ductility
- Patent number 4,218,253
- Issue date Aug 19, 1980
- Feldmuhle Aktiengesellschaft
- Ulf Dworak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Person

Patents Grantslast 30 patents

Method of etching ceramic frictional or sealing elements

Sintered molding, a method for producing it and its use

Sintered form body

Cutting tool insert

Valve guide for an internal combustion engine

Sintered ceramic shaped article wholly or predominantly of eutectic...

Piston with a member made of partially stabilized zirconium oxide

Thermal insulation lining of ceramic material for a hot gas duct en...

Cylinder head of a piston engine

Piston ring for an internal combustion engine

Pre-combustion or turbulence chamber for internal combustion engines

Mullite plate

Machine component of oxide ceramic material

Cutting tip for metal-removing processing

Sintered ceramic material of improved ductility