Patents by Inventor Hannes Folter

Hannes Folter 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: 4657162
    Abstract: Simple cleaning, exact dosing and a high degree of operating safety are assured with a dosing device for dispensing a liquid through a liquid dispensing nozzle from a container holding the liquid under pressure in the interior thereof, which comprises a liquid dosing piston displaceable along the axis thereof and housed in a bushing having a screw thread for attachment to the container. The piston has a valve body at an end thereof adjacent the interior of the container and a section of reduced cross section adjoining the valve body, the valve body having a cylindrical surface coaxial with the piston.
    Type: Grant
    Filed: August 5, 1986
    Date of Patent: April 14, 1987
    Assignee: Karl Fischer-Pochtler Gesellschaft m.b.H.
    Inventors: Hannes Folter, Christian C. Folter, Franz Grobl