Patents by Inventor Sergej Lopatiin

Sergej Lopatiin 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).

  • Relative pressure sensor
    Patent number: 7140256
    Abstract: A pressure sensor for measuring a pressure difference between a pressure being measured and the ambient atmospheric pressure surrounding the pressure sensor, including a platform and a membrane loadable with a pressure being measured. The membrane is secured at its edge to the platform, with a pressure chamber thus being formed between the platform and the measuring membrane. The pressure chamber communicates over a reference air path with the atmosphere, with the reference air path being a winding path.
    Type: Grant
    Filed: December 22, 2002
    Date of Patent: November 28, 2006
    Assignee: Endress + Hauser GmbH + Co. KG
    Inventors: Karl Flögel, Sergej Lopatiin, Elke Schmidt, Thomas Uehlin, Olaf Textor, Michael Hügel
  • Relative pressure sensor
    Publication number: 20050139009
    Abstract: A pressure sensor for measuring a pressure difference between a pressure being measured and the ambient atmospheric pressure surrounding the pressure sensor, including a platform and a membrane loadable with a pressure being measured. The membrane is secured at its edge to the platform, with a pressure chamber thus being formed between the platform and the measuring membrane. The pressure chamber communicates over a reference air path with the atmosphere, with the reference air path being a winding path.
    Type: Application
    Filed: December 28, 2002
    Publication date: June 30, 2005
    Inventors: Karl Flogel, Sergej Lopatiin, Elke Schmidt, Thomas Uehlin, Olaf Textor, Michael Hugel