Patents by Inventor Ralf Koester, SR.

Ralf Koester, SR. 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: 9925701
    Abstract: A device for the application of foaming reaction mixtures to a substrate which makes it possible to apply that foaming reaction mixture uniformly, a process for the production of foaming reaction mixtures using this device, apparatus for producing composites which include the device of the present invention and composites produced using such apparatus are disclosed. Use of the device of the present invention to produce foams makes it possible to produce foams having improved surface quality at higher production rates than were previously possible. The device of the present invention is particularly useful for the production of sandwich composite elements.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: March 27, 2018
    Assignee: Covestro Deutschland AG
    Inventors: Ralf Koester, Sr., Horst-Uwe Jung
  • Publication number: 20160144540
    Abstract: A device for the application of foaming reaction mixtures to a substrate which makes it possible to apply that foaming reaction mixture uniformly, a process for the production of foaming reaction mixtures using this device, apparatus for producing composites which include the device of the present invention and composites produced using such apparatus are disclosed. Use of the device of the present invention to produce foams makes it possible to produce foams having improved surface quality at higher production rates than were previously possible. The device of the present invention is particularly useful for the production of sandwich composite elements.
    Type: Application
    Filed: December 10, 2015
    Publication date: May 26, 2016
    Inventors: Ralf Koester, SR., Horst-Uwe Jung