Patents by Inventor Holliday L. Goldman

Holliday L. Goldman 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).

  • Method of manufacturing a wedge gate valve
    Patent number: 4373242
    Abstract: A wedge gate valve is manufactured from plate steel which comprises machining the valve body from steel plate to provide inlet and outlet body sides which are identical and which are bolted together to form a non-cast, non-forged and non-welded gate valve particularly well suited for nuclear class service.
    Type: Grant
    Filed: October 4, 1978
    Date of Patent: February 15, 1983
    Assignee: Allis-Chalmers Corporation
    Inventor: Holliday L. Goldman
  • Throttle valve
    Patent number: 4300749
    Abstract: A valve body is enlarged to contain the area of throttling vanes which are mounted on actuating shafts; the body is tapered along with the vanes to provide a loss of body area which is uniform to the throat section of the valve body; regulation of the vanes is accomplished by the shafts which extend outwardly of the valve body.
    Type: Grant
    Filed: December 13, 1979
    Date of Patent: November 17, 1981
    Assignee: Allis-Chalmers Corporation
    Inventors: Anthony J. Ferro, Holliday L. Goldman
  • Dual seal butterfly valve
    Patent number: 4248404
    Abstract: A wafer type butterfly valve having a spherical segment body interior contoured to receive a disc seal having upstream and downstream seals. The seals are configured to fit disc grooves and are curved to fit the body contour. Mechanical retainers are provided and there is provision for adjustably applying pressure to the seals.
    Type: Grant
    Filed: August 9, 1979
    Date of Patent: February 3, 1981
    Assignee: Allis-Chalmers Corporation
    Inventor: Holliday L. Goldman
  • Hydraulic actuator to provide both rotary and linear motions to a movable valve
    Patent number: 4192482
    Abstract: A hydraulic cylinder is provided with pistons to provide both rotary and a linear motions; utilization of a built in check valve traps fluid pressure to sustain piston in a desired operating position.
    Type: Grant
    Filed: October 20, 1978
    Date of Patent: March 11, 1980
    Assignee: Allis-Chalmers Corporation
    Inventors: Holliday L. Goldman, Svend E. Winther
  • Method of manufacturing a butterfly valve
    Patent number: 4038734
    Abstract: The method of manufacturing a butterfly valve from plate steel which comprises flame cutting the outer configuration of the valve body and flame cutting a circular disc from the center of the body resulting in a water opening through the body and utilizing the disc as the closure member. The valve is constructed in such a manner that no castings or welding is required.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: August 2, 1977
    Assignee: Allis-Chalmers Corporation
    Inventor: Holliday L. Goldman