Patents by Inventor William Henry Richards

William Henry Richards 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).

  • Dispersion and aeration apparatus for compressed air foam systems
    Patent number: 7641132
    Abstract: A dispersion and aeration apparatus including a nozzle portion (11) having a first passage (14) having at least one inlet (15) and at least one outlet (16) for a first fluid, and a second passage (17) having at least one inlet (18) and at least one outlet (19) for a second material, the first passage outlets (16) located so that the first fluid mixes with the second material as it exits the second passage outlet (19) to aerate and disperse the second material in a predetermined direction.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: January 5, 2010
    Inventor: William Henry Richards
  • Dispersion and Aeration Apparatus for Compressed Air Foam Sytems
    Publication number: 20080245282
    Abstract: A dispersion and aeration apparatus including a nozzle portion (11) having a first passage (14) having at least one inlet (15) and at least one outlet (16) for a first fluid, and a second passage (17) having at least one inlet (18) and at least one outlet (19) for a second material, the first passage outlets (16) located so that the first fluid mixes with the second material as it exits the second passage outlet (19) to aerate and disperse the second material in a predetermined direction.
    Type: Application
    Filed: March 30, 2006
    Publication date: October 9, 2008
    Inventor: William Henry Richards