Patents by Inventor Ralph W. Long

Ralph W. Long 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: 4442975
    Abstract: A striping apparatus for marking athletic fields and other surfaces comprises a wheeled platform adapted to be propelled by a prime mover and having thereon a tank for containing fluid, a nozzle assembly for spraying the marking fluid on a surface, and a pumping assembly for delivering the marking fluid under selectively variable pressures to the nozzle assembly. The nozzle assembly is adjustably positioned angularly and in elevation relative to the surface to be sprayed, and the pumping assembly is remotely controlled by a switch located on the prime mover. To mark designs, logos, numerals, and the like, an auxiliary hand-held, manually operated hose and nozzle are provided to allow the operator to mark the required figure.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: April 17, 1984
    Inventors: Ralph W. Long, Charles B. Smith, Don E. Baer