Patents by Inventor Mark O. Otto

Mark O. Otto 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).

  • One shot metering gun
    Patent number: 3945533
    Abstract: Apparatus for metering a predetermined timed volume of fluidic material through a dispensing circuit upon activation of a trigger, where the trigger actuates an air valve which is connected to a second time-controlled air valve. The second air valve delivers a predetermined timed shot of pressurized air to an air cylinder which is mechanically coupled to the fluidic material dispensing circuit.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: March 23, 1976
    Assignee: Graco Inc.
    Inventor: Mark O. Otto