Heinz Gross

Person

Dortmund-Syburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Gas-tight joint for pipe linings and risers
- Patent number 4,969,671
- Issue date Nov 13, 1990
- Hoechst Aktiengesellschaft
- Heinz Gross
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for continuous production of tubular bodies by...
- Patent number 4,827,099
- Issue date May 2, 1989
- Hoesch Aktiengesellschaft
- Rolf Krebs
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of making high strength steel tube
- Patent number 4,732,623
- Issue date Mar 22, 1988
- Hoesch Werke Aktiengesellschaft
- Heinz Gross
- C21 - METALLURGY OF IRON
Information Patent Grant
Multi-layer helical seam steel pipe
- Patent number 4,688,319
- Issue date Aug 25, 1987
- Heinz Gross
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Use of the laser welding process for and method of manufacturing of...
- Patent number 4,656,332
- Issue date Apr 7, 1987
- Hoesch Aktiengesellschaft
- Heinz Gross
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welded pipe connection
- Patent number 4,579,273
- Issue date Apr 1, 1986
- Hoesch Werke AG
- Karl Dahmen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of making high strength steel tube
- Patent number 4,414,042
- Issue date Nov 8, 1983
- Hoesch Werke Aktiengesellschaft
- Heinz Gross
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of and device for producing multi-layer pipes
- Patent number 4,247,033
- Issue date Jan 27, 1981
- Hoesch Werke Aktiengesellschaft
- Karl Dahmen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Heinz Gross

Person

Patents Grantslast 30 patents

Gas-tight joint for pipe linings and risers

Method and apparatus for continuous production of tubular bodies by...

Method of making high strength steel tube

Multi-layer helical seam steel pipe

Use of the laser welding process for and method of manufacturing of...

Welded pipe connection

Method of making high strength steel tube

Method of and device for producing multi-layer pipes