Patents by Inventor Lewis B. Rosenfeldt

Lewis B. Rosenfeldt 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: 7367548
    Abstract: Method and apparatus for elevated storage of articles including application of a spring clutch winch to provide the required lifting and holding forces. In preferred embodiments, the apparatus includes a spring clutch winch, one or more elongate elements payed out from and, alternatively, wound onto the winch, at least one rotational support supporting each elongate element and a hanger secured to an elongate element end. The article to be stored can be raised by winding each elongate element onto the spring clutch winch and can be lowered by unwinding the line from the spring clutch winch. Use of a spring clutch winch for this storage application provides a highly effective yet simple and cost effective manner of raising and lowering the article and securely holding the article in an elevated position.
    Type: Grant
    Filed: April 13, 2007
    Date of Patent: May 6, 2008
    Assignee: Pinpoint Products, LLC
    Inventors: Lewis B. Rosenfeldt, Robert McCarthy, Dustin Vallely, Harry A. Pyster
  • Publication number: 20070241576
    Abstract: Method and apparatus for elevated storage of articles including application of a spring clutch winch to provide the required lifting and holding forces. In preferred embodiments, the apparatus includes a spring clutch winch, one or more elongate elements payed out from and, alternatively, wound onto the winch, at least one rotational support supporting each elongate element and a hanger secured to an elongate element end. The article to be stored can be raised by winding each elongate element onto the spring clutch winch and can be lowered by unwinding the line from the spring clutch winch. Use of a spring clutch winch for this storage application provides a highly effective yet simple and cost effective manner of raising and lowering the article and securely holding the article in an elevated position.
    Type: Application
    Filed: April 13, 2007
    Publication date: October 18, 2007
    Applicant: PINPOINT PRODUCTS, LLC
    Inventors: Lewis B. Rosenfeldt, Robert McCarthy, Dustin Vallely, Harry A. Pyster