Patents by Inventor David Nirenberg

David Nirenberg 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).

  • TRAILER SUPPORT POST WITH SPRING SCALE
    Publication number: 20090236578
    Abstract: A trailer jack including trailer securing hardware, a support post assembly and a wheel. The support post assembly includes jacking hardware and a spring scale. The trailer securing hardware secures a trailer so that it is supported by the support post assembly and the spring scale indicates the tongue weight of the trailer. The wheel allows the trailer to be moved around when it is hooked up to the jack. In one kind of design, the spring is located between the trailer securing hardware and the wheel. In another kind of design, the spring is located above the trailer securing hardware, distally from the wheel.
    Type: Application
    Filed: March 24, 2009
    Publication date: September 24, 2009
    Applicant: UNIFIED MARINE, INC.
    Inventors: David Nirenberg, Daniel Sweeney, Arden Haynes
  • Fuel tank
    Patent number: D609776
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: February 9, 2010
    Assignee: Unified Marine, Inc.
    Inventor: David Nirenberg
  • Fuel tank
    Patent number: D625774
    Type: Grant
    Filed: February 5, 2010
    Date of Patent: October 19, 2010
    Assignee: Unified Marine, Inc.
    Inventor: David Nirenberg