Patents by Inventor Gerald Lee Rogers

Gerald Lee Rogers 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).

  • Blow gun
    Patent number: 4052008
    Abstract: A manually operated blow gun for cleaning work pieces by use of compressed air which includes a back pressure sensitive control that is effective when the gun is dead ended with the trigger depressed. The gun has a trigger operated valve which causes actuation of a main output valve, wherein when back pressure is increased, the pressure is directed via a by-pass conduit to close the main output valve against the action of the trigger operated valve.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: October 4, 1977
    Assignee: Chemetron Corporation
    Inventor: Gerald Lee Rogers