Patents by Inventor Phillip W. Hamilton

Phillip W. Hamilton 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: 7237693
    Abstract: A dual fluid cartridge for storing and dispensing fluids in unequal ratios is disclosed. The dual fluid cartridge disclosed defines two fluid chambers for a fluid to be held in greater amount and defines another fluid chamber for a fluid to be held in lesser amount. The two fluid chambers holding the fluid of greater amount are in fluid communication with one another through a delivery channel. Because of this arrangement, the dual fluid cartridge is very suitable and highly effective in situations where a dual fluid cartridge is needed to store and dispense fluids of unequal ratios (e.g. a 10:1 ratio, a 9:1 ratio, an 8:1 ratio, a 7:1 ratio etc.). With such an arrangement, the amount of space wasted in the cartridge is minimized, which maximizes the amount of fluids that can be stored in the cartridge. As a result, the total final product that can be dispensed from the dual fluid cartridge is also maximized.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: July 3, 2007
    Assignee: Tah Industries, Inc.
    Inventors: Robert C. Brennan, Phillip W. Hamilton, Jason E. Henning, Daniel William Mottram, Dwayne J. Pulcine, Robert W. Springhom
  • Patent number: D334341
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: March 30, 1993
    Assignee: Rubbermaid Incorporated
    Inventors: Jerrold G. Brown, Phillip W. Hamilton, W. Henry Kahl
  • Patent number: D335067
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: April 27, 1993
    Assignee: Rubbermaid Incorporated
    Inventors: Phillip W. Hamilton, W. Henry Kahl
  • Patent number: D335800
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: May 25, 1993
    Assignee: Rubbermaid Incorporated
    Inventors: Phillip W. Hamilton, W. Henry Kahl