Patents by Inventor Peter Leslie Birrell

Peter Leslie Birrell 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: 3960298
    Abstract: A special replaceable filled container for use in a dispenser, the container having a diaphragm closure, wherein a portion of the closure is to be movably controlled to modulate the flow of the contents such as particulate material therefrom.
    Type: Grant
    Filed: April 19, 1974
    Date of Patent: June 1, 1976
    Assignee: The Cornelius Company
    Inventor: Peter Leslie Birrell
  • Patent number: 3938639
    Abstract: A portable dispenser unit includes a stand on a base and having a liquid reservoir on top communicating with a nozzle located under a dispensing head therebelow controlled by a normally closed valve device. The head is receptive of a supply of flowable particulate material from a container equipped with a closure providing a combination adapter for coupling the container in supplying relation with the head, a seal to assure product freshness, a device for modulating material flow from the container into the head, and a device for preventing trademarked product substitution. Particulate material metering rotor in the head, and said valve device are selectively operable through a manual device which may be optionally coupled continuously with the metering rotor or releasably coin coupled with the metering rotor. To provide hot beverage, an electrical heater is carried by the reservoir.
    Type: Grant
    Filed: November 28, 1973
    Date of Patent: February 17, 1976
    Assignee: The Cornelius Company
    Inventor: Peter Leslie Birrell