Patents by Inventor John Mailey

John Mailey 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).

  • Pulley made from composite material
    Patent number: 5931755
    Abstract: A pulley is provided which is capable of being used as an alternator pulley. The pulley has a central hub portion for connecting the pulley to a shaft and a belt engaging portion disposed radially outward from the central hub portion. The central hub portion and the belt engaging portion are injection molded from a thermoplastic polyphenylene sulfide polymer material. The pulley provides approximately a 75% weight reduction in comparison to conventional metal pulleys used in automotive applications. The pulley is injection molded having a sprue gate located substantially in a center of said central hub portion. A bushing is optionally provided in a center opening in said central hub portion.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: August 3, 1999
    Inventors: John Mailey, John Cooper