Patents by Inventor Albert Edward Martin

Albert Edward Martin 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).

  • Coupler knuckle assembly
    Patent number: 4090615
    Abstract: An improved coupler knuckle wherein the tail surface contour is formed by a mathematical function curve so that upon closing the portion of the surface, which interfaces with the lock becomes closer to the knuckle pivot thus providing increased clearance for the lock movement.
    Type: Grant
    Filed: September 17, 1976
    Date of Patent: May 23, 1978
    Assignee: Dresser Industries, Inc.
    Inventor: Albert Edward Martin
  • Rejection feature for center plate
    Patent number: 4056065
    Abstract: A body bolster center filler-center plate assembly having a center plate containing a lower cap and upwardly extending sidewalls which extend into and are secured within a bottom-open pocket formed by center sill sidewalls and shear plates, the shear plates and center plate walls having a stop lug and a complementary notch, respectively, for polarizing the center plate within the pocket.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: November 1, 1977
    Assignee: Dresser Industries, Inc.
    Inventors: David Elmer Fiegl, Vaughn Terrey Hawthorne, Albert Edward Martin
  • Articulated link coupler
    Patent number: 3985236
    Abstract: A semi-permanent connection for freight cars having a point of connection and articulation at its center for easily separating the cars and having an alignment control arrangement at the same articulation point so as to provide limited angling as required to meet curve negotiation requirements.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: October 12, 1976
    Assignee: Dresser Industries, Inc.
    Inventor: Albert Edward Martin
  • Transition casting for use in sills of freight cars
    Patent number: 3973681
    Abstract: The invention relates to railway cars having a tubular-like sill in the underframe and a standard Z type draft sill at each end and a transition sill telescoping into and connecting the draft sill to the tubular sill.
    Type: Grant
    Filed: February 27, 1975
    Date of Patent: August 10, 1976
    Assignee: Dresser Industries, Inc.
    Inventors: Albert Edward Martin, Stanley Herbert Fillion