Bernard Helffer

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St Andres les Vergers, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process and installation for transfer and positioning
- Patent number 4,679,785
- Issue date Jul 14, 1987
- Institut Textile de France
- Bernard Helffer
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Processing method and apparatus for rectangular pieces of fabric
- Patent number 4,432,295
- Issue date Feb 21, 1984
- Institut Textile de France
- Jean-Pierre Raisin
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Method and installation for supplying a sewing machine
- Patent number 4,299,179
- Issue date Nov 10, 1981
- Agence Nationale de Valorisation de la Recherche (ANVAR)
- Bernard Helffer
- D05 - SEWING EMBROIDERING TUFTING
Information Patent Grant
Device for detecting defects in needles on a knitting loom which is...
- Patent number 4,020,655
- Issue date May 3, 1977
- Centre Technique Industriel dit: Institut Textile de France
- Jean-Pierre Raisin
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS