Patents by Inventor Aloysius W. M. Koster

Aloysius W. M. Koster 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).

  • Method and apparatus for fabricating sheets of thermoplastic material
    Patent number: 4311657
    Abstract: The invention relates to a method and apparatus for fabricating sheets of thermoplastic or thermosetting material whereby said material in a non-hardened condition is fed into the space between the vertical parts of two endless belts which material according to the invention is supplied onto the returning parts of the belts in the form of webs or by spraying while preferably material is supplied as well from above within the gap between the layers facing each other.
    Type: Grant
    Filed: August 28, 1980
    Date of Patent: January 19, 1982
    Inventor: Aloysius W. M. Koster