Patents by Inventor John Parslow

John Parslow 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: 8446062
    Abstract: Brush holder assemblies are detailed. The assemblies may employ rails, rather than boxes, for supporting brushes. They additionally may extend along all, or substantially all, of the lengths of the brushes for enhanced support of the brushes.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: May 21, 2013
    Assignee: Wabtec Holding Corp.
    Inventors: Leo A. Eger, John Parslow
  • Publication number: 20130038170
    Abstract: Brush holder assemblies are detailed. The assemblies may employ rails, rather than boxes, for supporting brushes. They additionally may extend along all, or substantially all, of the lengths of the brushes for enhanced support of the brushes.
    Type: Application
    Filed: October 12, 2011
    Publication date: February 14, 2013
    Inventors: Leo A. Eger, John Parslow
  • Patent number: 7608970
    Abstract: Brush holder assemblies are detailed. The assemblies permit on-line brush replacement and are interchangeable with devices currently provided by original equipment manufacturers. As well, they allow use of brushes longer than those employed in existing on-line replacement assemblies.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: October 27, 2009
    Assignee: Fulmer Company
    Inventors: Leo A. Eger, John Parslow
  • Publication number: 20080197745
    Abstract: Brush holder assemblies are detailed. The assemblies permit on-line brush replacement and are interchangeable with devices currently provided by original equipment manufacturers. As well, they allow use of brushes longer than those employed in existing on-line replacement assemblies.
    Type: Application
    Filed: April 28, 2008
    Publication date: August 21, 2008
    Inventors: Leo A. Eger, John Parslow
  • Patent number: 7365470
    Abstract: Brush holder assemblies are detailed. The assemblies permit on-line brush replacement and are interchangeable with devices currently provided by original equipment manufacturers. As well, they allow use of brushes longer than those employed in existing on-line replacement assemblies.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: April 29, 2008
    Assignee: Fulmer Company
    Inventors: Leo A. Eger, John Parslow
  • Publication number: 20070159140
    Abstract: A brushless exciter for a synchronous generator or motor generally includes a stator and a rotor rotatably disposed within the stator. The rotor has a field winding and a voltage rectifying bridge circuit connected in parallel to the field winding. A plurality of firing circuits are connected the voltage rectifying bridge circuit. The firing circuit is configured to fire a signal at an angle of less than 90° or at an angle greater than 90°. The voltage rectifying bridge circuit rectifies the AC voltage to excite or de-excite the field winding.
    Type: Application
    Filed: January 6, 2006
    Publication date: July 12, 2007
    Inventors: Luis Garces, Robert Delmerico, Patrick Jansen, John Parslow, Harold Sanderson, Gautam Sinha
  • Publication number: 20060138918
    Abstract: The locker for uniform repair and replacement has, disposed on its exterior surfaces, means for organizing and receiving paperwork for submitting and processing a uniform repair or replacement order. An article holder attached to the locker is adapted to retain an order formbook and completed order forms. A tag holder attached to the locker holds a supply of repair tags used to tag a uniform item for repair. A memo clip attached to the front surface of the locker is adapted to receive and retain paper notices from a uniform service company. The locker is provided by a uniform service company and located at a customer's premises. An order formbook is provided, and stored in the article holder, along with a catalog listing various services and products that may be ordered. A supply of repair tags is supplied and stored on the tag holder attached to the locker.
    Type: Application
    Filed: December 29, 2004
    Publication date: June 29, 2006
    Inventor: John Parslow