Patents by Inventor Frank P. Hollmann

Frank P. Hollmann 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).

  • Patent number: 5067203
    Abstract: A card clothing for a yarn carder flat has a card fillet and tooth members with tooth shanks projecting from the fillet and the connector between tooth shanks perpendicular to a travel direction of the fiber. According to the invention the relatively large offsets between the tooth members of one diagonal group from gasps in that diagonal group in which tooth shanks from an overlapping diagonal group are positioned in this direction so that, in spite of large offsets, the alleys formed in the card cloth are comparatively narrow. The diagonal groups can have even numbers of tooth rows and thus odd numbers of offsets.
    Type: Grant
    Filed: July 27, 1990
    Date of Patent: November 26, 1991
    Assignee: Peter Wolters AG
    Inventor: Frank P. Hollmann