Patents by Inventor Edward Raymond Usmar

Edward Raymond Usmar 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).

  • APPARATUS AND METHOD FOR SPREADING PARTICULATE MATERIAL
    Publication number: 20100072295
    Abstract: A truck mounted particulate material ground spreading apparatus mixes substantially dry particulate material with from 7-20% of water w/w immediately before supplying the wetted particles to a spreader disc to spread the wetted particles onto the ground. The apparatus (4) has a plurality of grinding discs (12a, 12b, 12c) above a mixing chamber (7) so that particulate material can be dry ground before mixing with water in the mixing chamber (7) and delivery to the spreader disc (19). The grinding discs (12a, 12b, 12c) and spreader disc (19) are mounted on a common shaft (14) driven by a hydraulic motor.
    Type: Application
    Filed: May 1, 2008
    Publication date: March 25, 2010
    Applicant: QUINSPREAD TECHNOLOGIES LIMITED
    Inventors: Edward Raymond Usmar, Samuel Thomas Lynch, Bertram Francis Charles Quin