Patents by Inventor David C. Cocks

David C. Cocks 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).

  • Push chair/shopping trolley
    Patent number: 5290049
    Abstract: A push chair which incorporates a shopping trolley has a wheeled front frame with front wheels (22) and rear wheels (23), a seat 11 for a child, and a support member (10) for an article-carrying container (14). The frame can be folded to reduce the separation between the front and rear wheels so that the front/rear dimension of the push chair is reduced. The seat (11) of the chair is folded up at the front and the handle (40) is folded down at the rear. An auxiliary handle (16) on the support member controls the push chair when it is folded.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: March 1, 1994
    Assignee: Crisp and Wilson Limited
    Inventors: David J. Crisp, David C. Cocks
  • Waste material collecting bin
    Patent number: 4953732
    Abstract: A waste material collecting bin has a storage container (24) for containing waste material fed into it via a rotary inlet valve (22). Prior to dropping into the container waste material rests on the valve adjacent the inlet and is there sprayed with treating substance drawn from a reservoir (19).
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: September 4, 1990
    Assignee: The Wellcome Foundation Limited
    Inventor: David C. Cocks