Patents by Inventor Engelbert Ehrlich

Engelbert Ehrlich has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stitch bonded fabrics, method and apparatus for making the same
    Patent number: 4197723
    Abstract: A fabric composed of a fleece or backing of fibrous material with parallel rows of single thread, sewn-knitted, run resistant, stitches superimposed thereon; a method of making the fabric and a warp knitting machine which is suitable for the production of the sewn-knitted fabric. The fabric can advantageously be used for outer garments, household or space textiles.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: April 15, 1980
    Assignee: VEB Wirkmaschinenbau Karl-Marx-Stadt
    Inventors: Gustav Ehedy, Heinz Kemter, Wilfried Ponitz, Engelbert Ehrlich, Walter Politze, Walter Scholtis, Wolfgang Wunsch
  • Stitch bonded fabrics, method and apparatus for making the same
    Patent number: 4158292
    Abstract: A fabric composed of a fleece or backing of fibrous material with parallel rows of single thread, stitch bonded, run resistant, stitches superimposed thereon; a method of making the fabric and a warp knitting machine which is suitable for the production of the stitch bonded fabric. The fabric can advantageously be used for outer garments, household or space textiles.
    Type: Grant
    Filed: August 10, 1977
    Date of Patent: June 19, 1979
    Assignee: VEB Wirkmaschinenbau Karl-Marx-Stadt
    Inventors: Gustav Ehedy, Heinz Kemter, Wilfried Ponitz, Engelbert Ehrlich, Walter Politze, Walter Scholtis, Wolfgang Wunsch
  • Textile material and manufacture
    Patent number: RE28718
    Abstract: A run-resistant textile material includes a knitted structure of warp threads on a backing layer of loose fibrous material.Individual fibers are pulled out of the layer by notched knitting needles of a warp knitting machine and formed into loops together with, and underlying the chain .[.switched.]. .Iadd.stitched .Iaddend.warp threads. The fiber loops whose ends are anchored in the backing layer protect the fabric from laddering when a single stitch is broken.
    Type: Grant
    Filed: March 5, 1973
    Date of Patent: February 24, 1976
    Assignee: VEB Nahwirkmaschinenbau Malimo Karl-Marx-Stadt
    Inventors: Engelbert Ehrlich, Martin Schonfuss