Patents Assigned to Truman's Inc.
  • Sandblasting valving device
    Patent number: 4947589
    Abstract: An improvement in a valving device used to dispense and control a high velocity stream of abrasive granular material intrained in a fluid stream. The valving device defines a gun configuration having a handle trigger and a movable valve element pivotally mounted to the trigger and a nozzle. The valve element is a resilient member that is advanced into sealing relation with the nozzle.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: August 14, 1990
    Assignee: Truman's Inc., Ohio Corporation
    Inventor: Fred Zwicker
  • Sandblast shutoff valve
    Patent number: 4698940
    Abstract: A shutoff valve for use on sandblasting equipment wherein the valve provides a fail safe positive closure of air and sand pressure stream at the nozzle where the operator is. The sand and air pressure stream provides a positive force on the valve assisting the closure and maintaining a tight seal against air and sand infiltration to the nozzle.
    Type: Grant
    Filed: October 31, 1986
    Date of Patent: October 13, 1987
    Assignee: Truman's Inc.
    Inventor: Fred Zwicker
  • Sandblasting gun
    Patent number: D323607
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: February 4, 1992
    Assignee: Truman's Inc.
    Inventor: Fred Zwicker
  • Air turbine spray device
    Patent number: D368103
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: March 19, 1996
    Assignee: Truman's Inc.
    Inventor: Fred Zwicker
  • Air turbine spray device
    Patent number: D370490
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: June 4, 1996
    Assignee: Truman's, Inc.
    Inventor: Fred Zwicker
  • Bottle design
    Patent number: D891261
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: July 28, 2020
    Assignee: Truman's Inc.
    Inventors: Alex Reed, Jonathan Bostock