Patents by Inventor Harold Reintjes

Harold Reintjes 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 effecting pneumatic conveyance of particulate solids
    Patent number: 4883390
    Abstract: This invention relates to a method and apparatus for delivering particulate solids in a stream of gas to a selected delivery point. The particulate solids are entrained in a stream of gas, and controls set the desired delivery weight rate for delivery of the solids to the delivery point. The weight of the container, which encloses the entraining system and the solids, is determined continuously.
    Type: Grant
    Filed: August 16, 1982
    Date of Patent: November 28, 1989
    Assignee: Petrocarb, Inc.
    Inventors: Harold Reintjes, Sam Lampert