Patents by Inventor Allyn C. Dowd

Allyn C. Dowd 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).

  • Hose guard
    Patent number: 4156487
    Abstract: A high density polyethylene molding frames an opening in a casting through which hydraulic hoses must pass to protect the hoses from abrasion in contacting the edges and sides of the casting opening. The molding is flexible and resilient to enable it to be snapped in and out of the opening in the casting while providing a generally frictionless surface against which the hoses may be guided in their normal movement through the opening under operating conditions.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: May 29, 1979
    Assignee: Massey-Ferguson Inc.
    Inventors: Allyn C. Dowd, Miles N. Stiller
  • Method of providing interchangeable valve control mechanisms
    Patent number: 4140144
    Abstract: A valve control mechanism for operating a plurality of valves in a bank of valves which can be selectively operated by interchangeable lever arrangements one of which has a separate lever for each valve and another of which has a single lever for a pair of valves. The bank of valves and the lever arrangements are detachably removable independently of each other to permit easy servicing and selecting of the desired lever arrangement or to change the sequence of valve operation.
    Type: Grant
    Filed: June 9, 1977
    Date of Patent: February 20, 1979
    Assignee: Massey-Ferguson Inc.
    Inventors: Allyn C. Dowd, Habibur Rahman
  • Valve control mechanism
    Patent number: 4051860
    Abstract: A valve control mechanism for operating a plurality of valves in a bank of valves which can be selectively operated by interchangeable lever arrangements one of which has a separate lever for each valve and another of which has a single lever for a pair of valves. The bank of valves and the lever arrangements are detachably removable independently of each other to permit easy servicing and selecting of the desired lever arrangement or to change the sequence of valve operation.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: October 4, 1977
    Assignee: Massey-Ferguson Inc.
    Inventors: Allyn C. Dowd, Habibur Rahman
  • Dual position stabilizer
    Patent number: 4013307
    Abstract: Stabilizing apparatus for vehicles supporting load handling equipment such as tractors mounted with backhoes in which the stabilizing apparatus is movable vertically from a transport position to a ground engaging position and also may be moved horizontally to vary the angular disposition of the stabilizers relative to the vehicle to engage the ground at longitudinally spaced positions.
    Type: Grant
    Filed: September 22, 1975
    Date of Patent: March 22, 1977
    Assignee: Massey-Ferguson Inc.
    Inventors: Allyn C. Dowd, John D. Rogowski
  • Hydraulic hose guard for use with excavating machines or the like
    Patent number: D254548
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: March 25, 1980
    Assignee: Massey-Ferguson Inc.
    Inventors: Allyn C. Dowd, Miles N. Stiller