Patents by Inventor William Edmund Waite

William Edmund Waite 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: 3930765
    Abstract: A rotary positive displacement pump of the internally-meshing screw type having a stator, a rotor and an inlet or outlet chamber at one end of the rotor has a drive comprising a connecting member rigidly secured to the rotor and extending through the chamber, which connecting member, beyond the end of the chamber remote from the rotor, is joined by a connecting rod with two universal joints to a drive shaft, connecting member in the chamber being supported by a bearing flexibly carried on a resilient support member which is sealed to the outer race of the bearing and also to the chamber wall.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: January 6, 1976
    Inventor: William Edmund Waite