Patents by Inventor Arthur H. Knechtel

Arthur H. Knechtel 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).

  • Process for preparing joint, spackling and texture compounds for gypsum dry walls
    Patent number: 5258069
    Abstract: Used as a thickener a Fluidized Polymer Suspension (FPS) with or without salt as a suspending agent allows producing joint, spackling and texture compounds in significantly reduced time. Products produced with FPS are more uniform and stable than ones made with solid thickeners.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: November 2, 1993
    Assignee: Aqualon Company
    Inventors: Arthur H. Knechtel, Thomas J. Podlas