Patents by Inventor Siegfrid Schmidt

Siegfrid Schmidt 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: 7562764
    Abstract: An entry conveyor including a conveyor pan formed by a plurality of pan sections that are hingeably connected to each other, at the two ends of which conveyor pan drive stations and/or return stations for a scraper chain are provided. Each pan section includes a top strand delimited by lateral profiles and the conveyor base and a bottom strand for the scraper chain as well as receiving elements for a pan section connecting mechanism, which elements are disposed outside of the lateral profiles. A pan strand including a plurality of pan sections that are disposed behind each other is provided in the conveyor pan, which sections are hingeably coupled via a center swivel bearing disposed on the center longitudinal axis of the conveyor pan or the pan sections. The invention also relates to the pan sections with the center swivel bearings.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: July 21, 2009
    Assignee: DBT GmbH
    Inventors: Siegfrid Schmidt, Gerhard Merten, Hans Meya, Jörg Wirtz, Ingo Pruss, Karl-Heinz Schürer, Kauu Brüggemann, legal representative, Reinhold Brüggemann
  • Publication number: 20080041693
    Abstract: An entry conveyor including a conveyor pan formed by a plurality of pan sections that are hingeably connected to each other, at the two ends of which conveyor pan drive stations and/or return stations for a scraper chain are provided. Each pan section includes a top strand delimited by lateral profiles and the conveyor base and a bottom strand for the scraper chain as well as receiving elements for a pan section connecting mechanism, which elements are disposed outside of the lateral profiles. A pan strand including a plurality of pan sections that are disposed behind each other is provided in the conveyor pan, which sections are hingeably coupled via a center swivel bearing disposed on the center longitudinal axis of the conveyor pan or the pan sections. The invention also relates to the pan sections with the center swivel bearings.
    Type: Application
    Filed: May 30, 2007
    Publication date: February 21, 2008
    Inventors: Siegfrid Schmidt, Gerhard Merten, Hans Meya, Jorg Wirtz, Ingo Pruss, Karl-Heinz Schurer, Reinhold Bruggermann, Kauu Bruggemann