Patents by Inventor Donald F. Mack, Jr.

Donald F. Mack, Jr. 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: 7152764
    Abstract: A safety can for storing flammable liquid is disclosed. The safety can includes a receptacle and a valve mechanism. The valve mechanism can include a body assembly, a fill cover assembly, a pour valve assembly, a trigger assembly, and a handle. The body assembly of the valve mechanism can be mounted to the receptacle. The body assembly can include a fill spout and a separate pour spout. The fill cover assembly can be pivotally mounted to the body assembly about a fill cover axis. The pour valve assembly can be movably mounted to the body assembly and be disposed therein. The safety can includes a trigger assembly for convenient multi-functional operation of the safety can. The trigger can be positioned to allow the can to be filled, to pour from the can, and to place the container in a safety position.
    Type: Grant
    Filed: August 10, 2004
    Date of Patent: December 26, 2006
    Assignee: Justrite Manufacturing Company
    Inventor: Donald F. Mack, Jr.
  • Patent number: 6772918
    Abstract: A safety can for storing flammable liquid is disclosed. The safety can includes a receptacle and a valve mechanism. The valve mechanism can include a body assembly, a fill cover assembly, a pour valve assembly, a trigger assembly, and a handle. The body assembly of the valve mechanism can be mounted to the receptacle. The body assembly can include a fill spout and a separate pour spout. The fill cover assembly can be pivotally mounted to the body assembly about a fill cover axis. The pour valve assembly can be movably mounted to the body assembly and be disposed therein. The safety can includes a trigger assembly for convenient multi-functional operation of the safety can. The trigger can be positioned to allow the can to be filled, to pour from the can, and to place the container in a safety position.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: August 10, 2004
    Assignee: Justrite Manufacturing Company
    Inventor: Donald F. Mack, Jr.
  • Patent number: 5435179
    Abstract: A handwheel expansion mechanism including a meter adapter, a handwheel body and an expansion cup. The expansion cup is slidingly engaged with the meter adapter, and the handwheel body is rotationally coupled to the meter adapter. Rotation of the handwheel body cause the handwheel body to create a space between the base of the meter adapter and the handwheel body. At the same time, metal-on-metal contact between the handwheel body and the expansion cup causes the expansion cup to pushed along the meter adapter.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: July 25, 1995
    Assignee: Mueller Co.
    Inventors: Robert E. Sands, Donald F. Mack, Jr.