Patents by Inventor Craig F. Brennecke

Craig F. Brennecke 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).

  • Valve seat
    Patent number: 6708952
    Abstract: A method and apparatus for attaching a valve to another device such as a device, such as a device for separating a solid from a liquid. A valve seat according to the present invention is friction fitted into an orifice defined by the device and a conduit is attached to the valve seat via a removable spline.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: March 23, 2004
    Assignee: McLanahan Corporation
    Inventors: Craig F. Brennecke, Donald A. Mills
  • Valve seat
    Publication number: 20030173538
    Abstract: A method and apparatus for attaching a valve to another device such as a device, such as a device for separating a solid from a liquid. A valve seat according to the present invention is friction fitted into an orifice defined by the device and a conduit is attached to the valve seat via a removable spline.
    Type: Application
    Filed: March 14, 2003
    Publication date: September 18, 2003
    Applicant: McLanahan Corporation
    Inventors: Craig F. Brennecke, Donald A. Mills
  • Sand tank discharge elbow
    Publication number: 20030173775
    Abstract: An apparatus and method to attach a sand tank discharge elbow to a valve in a sand classification tank using a removable spline and an optional hose clamp.
    Type: Application
    Filed: March 14, 2003
    Publication date: September 18, 2003
    Applicant: McLanahan Corporation
    Inventors: Craig F. Brennecke, David S. Weddle