Patents by Inventor Horst Esch

Horst Esch 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).

  • Device for regulating the air volume flow for a vent in a laboratory
    Patent number: 6923715
    Abstract: A device for regulating the air volume flow for a laboratory exhaust, has a rectangular housing (6) which can be arranged on the laboratory exhaust. The device is equipped with inflow devices that can be connected to the interior of the laboratory exhaust and with outflow devices (8, 12, 13) that can be connected to an exhaust air system. The interior of housing (6) is divided by a partition (17) into two parts, namely a calming part on the exhaust side and a measurement and regulating part on the outflow side, and these two parts are connected by an air deflection area (18). A rectangular measurement orifice (20, 25) has pressure measurement devices (22, 23, 24, 28, 29) and a rectangular regulating flap (21) arranged one after the other at a distance in the direction of flow between a housing wall and the partition (17).
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: August 2, 2005
    Assignees: Waldner Laboreinrichtungen GmbH & Co. KG, Bayer AG
    Inventors: Konrad Kreuzer, Frank Barth, Horst Esch
  • Device for regulating the air volume flow for a vent in a laboratory
    Publication number: 20040121716
    Abstract: Device for regulating the air volume flow for a laboratory exhaust, comprising
    Type: Application
    Filed: February 25, 2004
    Publication date: June 24, 2004
    Inventors: Konrad Kreuzer, Frank Barth, Horst Esch