Patents by Inventor Ralph Hensley

Ralph Hensley 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).

  • Magnetic air filter
    Publication number: 20030233818
    Abstract: An air filter modified with magnetic material bonded To the back surface of the housing of an air filter, Therefore allowing the modified air filter to be attached to any suitable surface
    Type: Application
    Filed: June 20, 2002
    Publication date: December 25, 2003
    Inventor: Ralph Hensley
  • Turn signal spring
    Patent number: 5957442
    Abstract: This invention relates to a device to cancel the turn signal of an automobile when it fails to cancel due to a defect in the turn signal switch or the turn signal canceling cam.
    Type: Grant
    Filed: April 9, 1996
    Date of Patent: September 28, 1999
    Inventor: Ralph Hensley