Patents by Inventor Dale Alan Quam

Dale Alan Quam 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).

  • Pneumatic plug for a seed meter
    Patent number: 7017502
    Abstract: A pneumatic plug is used to seal off a pneumatic pressure source from a pneumatic pressure seed meter. The pneumatic plug comprises an annular rim defining an annular cavity, a insert portion and a sealing wall. The plug is an integral rubber body. The insert portion is inserted into a pneumatic hose supplying pneumatic pressure to the seed meter. The annular rim defines an annular cavity into which the pneumatic inlet of the seed meter is received. The annular cavity is provided with two inwardly extending sealing ridges that engage the outer sidewalls of the pneumatic inlet. The sealing wall provides a pneumatic seal for the pneumatic hose.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: March 28, 2006
    Assignee: Deere & Company
    Inventors: Dale Alan Quam, Scott Charles McCartney