Patents by Inventor James Peter Hosford

James Peter Hosford 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).

  • Pumps and filter assemblies
    Publication number: 20030099553
    Abstract: A combined pump and filter assembly having backwashing apparatus for the filter assembly and apparatus for offsetting the tendency for an increase in pump output flow resistance.
    Type: Application
    Filed: January 6, 2003
    Publication date: May 29, 2003
    Inventor: James Peter Hosford
  • Pumps and filter assemblies with application to aquatic and other environments
    Patent number: 6520752
    Abstract: A combined pump and filter assembly having backwashing apparatus for the filter assembly and apparatus for offsetting the tendency for an increase in pump output flow resistance to cause an increase in fluid flow to the backwashing assembly.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: February 18, 2003
    Inventor: James Peter Hosford