Grunzweig & Hartmann AG

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Ludwigshafen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for the continuous production of mineral wool...
- Patent number 5,368,623
- Issue date Nov 29, 1994
- Grunzweig & Hartmann AG
- Klemens Hirschmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Process and apparatus for the continuous production of mineral wool...
- Patent number 5,296,013
- Issue date Mar 22, 1994
- Grunzweig & Hartmann AG
- Klemens Hirschmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Apparatus for the continuous production of mineral wool nonwovens
- Patent number 5,246,653
- Issue date Sep 21, 1993
- Grunzweig & Hartmann AG
- Johannes Horres
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Process and device for the production of mineral wool nonwoven fabr...
- Patent number 5,093,069
- Issue date Mar 3, 1992
- Grunzweig & Hartmann AG
- Joachim Mellem
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Process for the manufacture of an exhaust silencer
- Patent number 5,036,585
- Issue date Aug 6, 1991
- Grunzweig & Hartmann AG
- Gustav Schweinfurth
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Method of melting raw materials
- Patent number 4,940,478
- Issue date Jul 10, 1990
- Grunzweig & Hartmann AG
- Wilfried Naber
- C03 - GLASS MINERAL OR SLAG WOOL

Grunzweig & Hartmann AG

Organization

Patents Grantslast 30 patents

Process and apparatus for the continuous production of mineral wool...

Process and apparatus for the continuous production of mineral wool...

Apparatus for the continuous production of mineral wool nonwovens

Process and device for the production of mineral wool nonwoven fabr...

Process for the manufacture of an exhaust silencer

Method of melting raw materials