Patents by Inventor Silas Penn

Silas Penn 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).

  • Patent number: 4316303
    Abstract: An auxiliary portable and removable windshield and window wiper, for a motor vehicle, consisting of a wiper unit comprising an electrically driven motor oscillating a wiper blade and adapted to be mounted on the exterior of the motor vehicle body by, for example, a pair of strong magnets engaged with a metallic portion of the body proximate a rear window, a side window, or the windshield, with the wiper blade disposed over the window or windshield transparent surface. Electric power for the motor is supplied by an electric line provided on its end with a plug engageable within the cigarette lighter socket in the dashboard, the electric line being passed from the exterior to the interior of the vehicle, for example between the edge of a window and the window frame or opening window.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: February 23, 1982
    Inventor: Silas Penn
  • Patent number: 4315170
    Abstract: An electric motor having an output shaft that rotatably oscillates automatically, the motor comprising a pair of reversing terminals, a reversing switching mechanism for connecting the first reversing terminal to a plus terminal connected to a source of electric power while disconnecting the second reversing terminal from the plus terminal and for connecting the second reversing terminal to the plus terminal while disconnecting the first reversing terminal from the plus terminal, a cam on the output shaft for actuating the reversing switch, and for co-operating with a pair of abutments on the switch limiting the rotation of the output shaft in one direction and in the other, and a spring bias detent for maintaining one of the reversing terminals in connection with the plus terminal until disengaged by the cam.
    Type: Grant
    Filed: July 7, 1980
    Date of Patent: February 9, 1982
    Inventor: Silas Penn
  • Patent number: 4221311
    Abstract: A luggage carrier comprising a pair of spaced apart bumper guards for mounting on the bumper of a motor vehicle, a luggage rack frame mounted between the bumper guards, said luggage rack frame being mounted such as to be pivotable on an axis parallel to the bumper from a horizontal position to a vertical storage position and further being removably mounted to one of said bumper guards and hingedly mounted to the other of said bumper guards so as to be pivotable about a substantially vertical axis from the horizontal use position to a horizontal removal or curb loading position allowing trunk or tailgate access.
    Type: Grant
    Filed: May 17, 1979
    Date of Patent: September 9, 1980
    Inventor: Silas Penn
  • Patent number: 4125214
    Abstract: A luggage carrier is provided for a vehicle having a body and a rear bumper. A pair of upright laterally spaced bumper guards bear against and are secured to said bumper transversely thereof. A U-shaped rack frame having a series of spaced cross bars, upon one end thereof is snugly interposed between and pivotally mounted upon said bumper guards. A pair of links are arranged upon opposite sides of the frame, each pair being pivotally interconnected with their one ends pivoted to the rack frame and with the other ends pivoted to the bumper guards. The links support the frame in a horizontal use position and permit upward tilting of the frame to a non-use storage position.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: November 14, 1978
    Inventor: Silas Penn