Patents by Inventor Matthew Ehrenreich

Matthew Ehrenreich 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).

  • Support mechanism for tilted window sash
    Patent number: 6684454
    Abstract: A cord tensioned by a spring supports the sash of a hung window in a stationary position while the sash is tilted for cleaning. The cord pulls a pulley attached to the spring which extends as the sash is further tilted. A tubing houses the spring and pulley and provides a stop that limits the maximum tilt of the sash.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: February 3, 2004
    Inventor: Matthew Ehrenreich
  • Support mechanism for tilted window sash
    Publication number: 20030121123
    Abstract: A cord tensioned by a spring supports the sash of a hung window in a stationary position while the sash is tilted for cleaning. The cord pulls a pulley attached to the spring which extends as the sash is further tilted. A tubing houses the spring and pulley and provides a stop that limits the maximum tilt of the sash.
    Type: Application
    Filed: December 18, 2001
    Publication date: July 3, 2003
    Inventor: Matthew Ehrenreich