Patents by Inventor Michael D. Tatch

Michael D. Tatch 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).

  • Device and apparatus for recovery of dry cleaning fluid, and purification of water from dry cleaning water
    Patent number: 5431827
    Abstract: A discharge purification system for dry cleaning facilities is disclosed. The system comprises a series of concentric tanks providing settling and filtration treatment for water containing dry cleaning solvents. The device also provides for recycling solvent back to the dry cleaning facility.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: July 11, 1995
    Assignee: Tatch Technical Services
    Inventor: Michael D. Tatch
  • Reactor vessel annealing system
    Patent number: 5025129
    Abstract: A system for annealing a vessel (14) in situ by heating the vessel (14) to a defined temperature, composed of: an electrically operated heater assembly (10) insertable into the vessel (14) for heating the vessel (14) to the defined temperature; temperature monitoring components positioned relative to the heater assembly (10) for monitoring the temperature of the vessel (14); a controllable electric power supply unit (32-60) for supplying electric power required by the heater assembly (10); a control unit (80-86) for controlling the power supplied by the power supply unit (32-60); a first vehicle (2) containing the power supply unit (32-60); a second vehicle (4) containing the control unit (80-86); power conductors (18,22) connectable between the power supply unit (32-60) and the heater unit (10) for delivering the power supplied by the power supply unit (32-60) to the heater assembly (10); signal conductors (20,24) connectable between the temperature monitoring components and the control unit (80-86) for deli
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: June 18, 1991
    Assignee: The United States of America as represented by the Department of Energy
    Inventors: Phillip E. Miller, Leonoard R. Katz, Raymond J. Nath, Ronald M. Blaushild, Michael D. Tatch, Frank J. Kordalski, Donald T. Wykstra, William M. Kavalkovich