Patents by Inventor Tilo Kohler

Tilo Kohler 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).

  • Dry cleaning equipment utilizing perc recovery process for striping filter
    Patent number: 4938845
    Abstract: A dry cleaning apparatus utilizing perchlorethylene recovery process for striping spent filter cartridges in which virtually all of the perchlorethylene is recovered from the spent cartridges so as to increase the economic efficiency of the system while at the same time reducing the hazardous to both environment and the operator's health. As a result the instant invention leaves the spent filtering cartridges so entirely free of perc that these cartridges can be discarded with regular trash without any health hazard to the general public at large et cetera. In one embodiment of the invention a set of valves are ganged together by linkage so that two separate set of filter cartridges may be kept connected to the system so that a fresh set may be immediately switched into a cleaning cycle while a spent set is being stripped of any perc.
    Type: Grant
    Filed: October 24, 1989
    Date of Patent: July 3, 1990
    Assignee: Richard L. Miller
    Inventor: Tilo Kohler
  • Dry cleaning equipment utilizing perchlorethylene recovery process
    Patent number: 4874472
    Abstract: A method for a perchlorethylene recovery process for dry cleaning equipment in which virtually all of the perchorethylene is recovered from the process so as to increase the economic efficiency of the system while at the same time reducing the hazardous to both environment and the operator's health.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: October 17, 1989
    Assignee: Richard L. Miller
    Inventor: Tilo Kohler
  • Perchlorethylene recovery process for dry cleaning equipment
    Patent number: 4780218
    Abstract: A method for a perchlorethylene recovery process for dry cleaning equipment in which virtually all of the perchlorethylene is recovered from the process so as to increase the economic efficiency of the system while at the same time reducing the hazardous to both environment and the operator's health.
    Type: Grant
    Filed: January 6, 1987
    Date of Patent: October 25, 1988
    Assignee: Richard L. Miller
    Inventor: Tilo Kohler