Patents by Inventor Richard Michiel Stevenson

Richard Michiel Stevenson 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).

  • Apparatus for conveying fluid from a lower level to an elevated level
    Patent number: 4067500
    Abstract: Apparatus for conveying fluid from a lower level to an elevated level comprising a flexible fluid conveying tube having at one end a one way valve of simple construction and at the other end a dispensing head. In use the valve is placed below the surface of the fluid at the lower level and the dispensing head is oscillated to cause conveyance of fluid along the tube. Anchoring means are provided for maintaining the valve below the surface of the fluid at the lower level irrespective of the degree or vigorosity of oscillation of the dispensing head.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: January 10, 1978
    Assignee: Kendrick Stevens Limited
    Inventor: Richard Michiel Stevenson