Patents by Inventor Hans-Heinrich Drosemeyer

Hans-Heinrich Drosemeyer 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).

  • Discharge device for granules
    Patent number: 4630382
    Abstract: A discharge device for granules from vertical reactors having a plane blower plate with scraper edges has at least one discharge slot with corresponding collecting device fixedly connected to the discharge slot so as to be rotatable with the latter. A static scraping device is arranged between the discharge slot and the collecting device.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: December 23, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Manfred Keiler, Uwe Bartsch, Hans-Heinrich Drosemeyer, Franz X. Reitsam