Patents by Inventor Brian Lee Gerdes

Brian Lee Gerdes 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).

  • Semi-rigid stator
    Patent number: 11655815
    Abstract: A semi-rigid stator is provided for a helical gear device. The stator includes a stack of rigid rings, a deformable layer, and a rigid housing. Each of the rigid rings has a central opening and an exterior surface. The rigid rings are aligned along a common centerline and rotated slightly relative to each other such that the stack of rigid rings forms a helically convoluted chamber. Each of the rigid rings is secured within the rigid stator housing by the deformable layer disposed between the exterior surface of each of the rigid rings and the rigid housing. The deformable layer bonds the rigid rings together as the ring stack and permits movement of the rigid rings relative to each other.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: May 23, 2023
    Assignee: ROPER PUMP COMPANY, LLC
    Inventors: Trevor Mark Brasselle, Brian Lee Gerdes, Gregory Richard Ferguson, Cody Richard Reynolds
  • SEMI-RIGID STATOR
    Publication number: 20210180593
    Abstract: A semi-rigid stator is provided for a helical gear device. The stator includes a stack of rigid rings, a deformable layer, and a rigid housing. Each of the rigid rings has a central opening and an exterior surface. The rigid rings are aligned along a common centerline and rotated slightly relative to each other such that the stack of rigid rings forms a helically convoluted chamber. Each of the rigid rings is secured within the rigid stator housing by the deformable layer disposed between the exterior surface of each of the rigid rings and the rigid housing. The deformable layer bonds the rigid rings together as the ring stack and permits movement of the rigid rings relative to each other.
    Type: Application
    Filed: December 14, 2020
    Publication date: June 17, 2021
    Inventors: Trevor Mark Brasselle, Brian Lee Gerdes, Gregory Richard Ferguson, Cody Richard Reynolds