Patents by Inventor David Reed Wilkins

David Reed Wilkins 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: 5823394
    Abstract: A dispenser for dispensing together a first fluid material and a second fluid material comprising a first material chamber (1a) and a second material supply chamber (1b) for containing first and second fluid materials, and a headpiece (2) comprising a first pump chamber (24) having a first pump piston (27) and being connectable to a first discharge channel (30) and to the first material supply chamber (1a) and a second pump chamber (19) having a second pump piston (26) and being connectable to a second discharge channel (31) and to the second material supply chamber (1b), and having a coaxial arrangement.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: October 20, 1998
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Adrian Francis Davis, Willy Lorscheidt, David Reed Wilkins
  • Patent number: 5673821
    Abstract: A dispenser is provided for the concurrent dispensing of two different fluid materials. The dispenser has a first and second supply chamber for containing the two separate fluids, and a headpiece having a first pump chamber and pump piston connected to the first supply chamber and a first discharge channel, and a second pump chamber and pump piston connected to the second supply chamber and a second discharge channel. The first and second supply chambers have a coaxial arrangement.
    Type: Grant
    Filed: May 9, 1995
    Date of Patent: October 7, 1997
    Assignee: SmithKline Beecham PLC
    Inventors: Adrian Francis Davis, Willy Lorscheidt, David Reed Wilkins
  • Patent number: 3978232
    Abstract: A carbonated beverage package comprising an inner container gas tight sealed by means of a lid and containing carbonated beverage, and an outer restraining cup in which the inner container locates and which restrains the inner container from excessive expansion due to the pressure of the beverage in the inner container, but which can readily be detached from the inner container for use as a drinking vessel upon release of the pressure within the container: the materials intended for the inner container and outer cup have particular characteristics and thicknesses to achieve the desired results.
    Type: Grant
    Filed: June 19, 1974
    Date of Patent: August 31, 1976
    Inventors: Edward Dodsworth, Thomas Norman Gaunt, Wynn Price Davies, David Reed Wilkins