Patents by Inventor Timothy Michael Elfrink

Timothy Michael Elfrink 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).

  • Publication number: 20100219651
    Abstract: A vacuum lifting device and method of manufacture thereof includes a vacuum generator for generating a vacuum. The vacuum lifting device also includes a base having opposite first and second sides and a vacuum lifting chamber provided on the second side of the base and having a suction end. The vacuum lifting chamber is in fluid communication with the vacuum generator, wherein the vacuum generator creates negative pressure within the vacuum lifting chamber. A gasket is coupled to the suction end of the vacuum lifting chamber and is configured to create a vacuum seal with a surface of an object to be lifted by the vacuum lifting device.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 2, 2010
    Applicant: CUSTOM CONCRETE CREATIONS
    Inventors: Herbert E. Walter, Cheryl Ann Walters, Timothy Michael Elfrink