Patents by Inventor Matthew P. Redfield

Matthew P. Redfield 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).

  • Top of rail foam bar
    Patent number: 9440665
    Abstract: A rail applicator assembly includes a rail having a head portion, a base portion, and a web portion extending between the head portion and the base portion. The head portion defines an outer surface. An applicator for applying a friction modifying material to the surface of the rail includes a foam body and an applicator support. The foam body is secured to the applicator support and defines a flow passageway that extends through the foam body for friction modifying material to flow through.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: September 13, 2016
    Assignee: L.B. Foster Rail Technologies, Inc.
    Inventors: Steven D. Singleton, W. Thomas Urmson, Matthew P. Redfield, Christopher Alan Lucke
  • TOP OF RAIL FOAM BAR
    Publication number: 20150158509
    Abstract: A rail applicator assembly includes a rail having a head portion, a base portion, and a web portion extending between the head portion and the base portion. The head portion defines an outer surface. An applicator for applying a friction modifying material to the surface of the rail includes a foam body and an applicator support. The foam body is secured to the applicator support and defines a flow passageway that extends through the foam body for friction modifying material to flow through.
    Type: Application
    Filed: February 12, 2015
    Publication date: June 11, 2015
    Inventors: Steven D. SINGLETON, W. Thomas URMSON, Matthew P. REDFIELD, Christopher Alan LUCKE
  • Top of rail foam bar
    Patent number: 8955645
    Abstract: A rail applicator assembly includes a rail having a head portion, a base portion, and a web portion extending between the head portion and the base portion. The head portion defines an outer surface. An applicator for applying a friction modifying material to the surface of the rail includes a foam body and an applicator support. The foam body is secured to the applicator support and defines a flow passageway that extends through the foam body for friction modifying material to flow through.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: February 17, 2015
    Assignee: L.B. Foster Rail Technologies, Inc.
    Inventors: Steven D. Singleton, W. Thomas Urmson, Jr., Matthew P. Redfield, Christopher Alan Lucke
  • Top of Rail Foam Bar
    Publication number: 20100300810
    Abstract: A rail applicator assembly includes a rail having a head portion, a base portion, and a web portion extending between the head portion and the base portion. The head portion defines an outer surface. An applicator for applying a friction modifying material to the surface of the rail includes a foam body and an applicator support. The foam body is secured to the applicator support and defines a flow passageway that extends through the foam body for friction modifying material to flow through.
    Type: Application
    Filed: May 27, 2010
    Publication date: December 2, 2010
    Inventors: Steven D. Singleton, W. Thomas Urmson, JR., Matthew P. Redfield, Christopher Alan Lucke