Patents by Inventor Andrew Boulton Renfrew

Andrew Boulton Renfrew 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).

  • Publication number: 20130140331
    Abstract: A liquid dispenser having an outlet for dispensing liquid, mixing means for mixing liquid and gas, liquid supply means, and gas supply means, the outlet, mixing means, liquid supply means and/or gas supply means are so arranged that in a first condition liquid and gas may be supplied by the liquid supply means and gas supply means respectively through the mixing means to the outlet thereby dispensing foamed liquid from the outlet, or in a second condition liquid may be supplied to the outlet, thereby dispensing unfoamed liquid from the outlet.
    Type: Application
    Filed: August 9, 2011
    Publication date: June 6, 2013
    Applicant: Wallgate Limited
    Inventor: Andrew Boulton Renfrew
  • Patent number: 8156579
    Abstract: A shower arrangement (10) includes a mixer valve assembly (110) and conduit means (120) for the supply of water to the assembly (110). The conduit means (120) includes a conduit casing (2) defining an interior (122), a hot water pipe (3) defining a passage (103) for hot water and a cold water pipe (4) defining a passage (104) for cold water, the hot and cold water pipes (3, 4) being located in the interior (122).
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: April 17, 2012
    Assignee: Applied Energy Products Limited
    Inventor: Andrew Boulton Renfrew
  • Publication number: 20100237154
    Abstract: A shower arrangement (10) includes a mixer valve assembly (110) and conduit means (120) for the supply of water to the assembly (110). The conduit means (120) includes a conduit casing (2) defining an interior (122), a hot water pipe (3) defining a passage (103) for hot water and a cold water pipe (4) defining a passage (104) for cold water, the hot and cold water pipes (3, 4) being located in the interior (122).
    Type: Application
    Filed: October 18, 2005
    Publication date: September 23, 2010
    Inventor: Andrew Boulton Renfrew