Ludwig Hartmann

Person

Weinheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the production of spunbonded fabrics
- Patent number 5,108,276
- Issue date Apr 28, 1992
- Freudenbertg; Carl
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Process for the production of nonwoven webs including a drawing ste...
- Patent number 4,997,611
- Issue date Mar 5, 1991
- Carl Freudenberg
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Absorbent body of nonwoven material and a method for the production...
- Patent number 4,902,559
- Issue date Feb 20, 1990
- Firma Carl Freudenberg
- Helmut Eschwey
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Tufting base for carpets made of a spunbonded fabric, a method of m...
- Patent number 4,842,915
- Issue date Jun 27, 1989
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method for the production of spun bonded nonwoven fabrics having a...
- Patent number 4,753,698
- Issue date Jun 28, 1988
- Firma Carl Freudenberg
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Elastic roofing and sealing materials
- Patent number 4,714,651
- Issue date Dec 22, 1987
- Firma Carl Freudenberg
- Ludwig Hartmann
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the production of spunbonded fabrics from aerodynamical...
- Patent number 4,578,134
- Issue date Mar 25, 1986
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Method for manufacturing polypropylene spun-bonded fabrics with low...
- Patent number 4,496,508
- Issue date Jan 29, 1985
- Firma Carl Freudenberg
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Shaped body of a settable mineral material with reinforcement fiber...
- Patent number 4,414,262
- Issue date Nov 8, 1983
- Firma Carl Freudenberg
- Ludwig Hartmann
- E04 - BUILDING
Information Patent Grant
Non-woven fabric with wick action
- Patent number 4,413,032
- Issue date Nov 1, 1983
- Freudenberg; Carl
- Ludwig Hartmann
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Spun non-woven fabrics with high dimensional stability, and process...
- Patent number 4,363,845
- Issue date Dec 14, 1982
- Firma Carl Freudenberg
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Tufted carpeting
- Patent number 4,305,986
- Issue date Dec 15, 1981
- Carl Freudenberg
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Non-woven fabrics of polyolefin filament and processes of productio...
- Patent number 4,304,234
- Issue date Dec 8, 1981
- Carl Freudenberg
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Spun nonwoven fabric of polyester filaments for use as backing mate...
- Patent number 4,210,690
- Issue date Jul 1, 1980
- Firma Carl Freudenberg
- Ludwig Hartmann
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Carpet with non-woven backing
- Patent number 4,172,166
- Issue date Oct 23, 1979
- Firma Carl Freudenberg
- Ludwig Hartmann
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the manufacture of heat shaped automobile carpet
- Patent number 4,169,176
- Issue date Sep 25, 1979
- Firma Carl Freudenberg
- Ludwig Hartmann
- D05 - SEWING EMBROIDERING TUFTING

Ludwig Hartmann

Person

Patents Grantslast 30 patents

Apparatus for the production of spunbonded fabrics

Process for the production of nonwoven webs including a drawing ste...

Absorbent body of nonwoven material and a method for the production...

Tufting base for carpets made of a spunbonded fabric, a method of m...

Method for the production of spun bonded nonwoven fabrics having a...

Elastic roofing and sealing materials

Process for the production of spunbonded fabrics from aerodynamical...

Method for manufacturing polypropylene spun-bonded fabrics with low...

Shaped body of a settable mineral material with reinforcement fiber...

Non-woven fabric with wick action

Spun non-woven fabrics with high dimensional stability, and process...

Tufted carpeting

Non-woven fabrics of polyolefin filament and processes of productio...

Spun nonwoven fabric of polyester filaments for use as backing mate...

Carpet with non-woven backing

Process for the manufacture of heat shaped automobile carpet