Patents by Inventor Peter Duerrstein

Peter Duerrstein 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).

  • Unrolling Device for a Material Web
    Publication number: 20110088619
    Abstract: A towel dispenser which sprays portions of a material web pulled off from a supply roll with a disinfectant. A disinfectant supply bottle is arranged partially inside a core of the supply roll, and its liquid outlet is connected to the inlet of a diaphragm pump, which feeds into a nozzle pipe. To measure the residual material web remaining on the supply roll, an angular velocity transmitter is used which comprises a stationary reflective light barrier and a line pattern applied to the inside of the core of the supply roller.
    Type: Application
    Filed: October 15, 2010
    Publication date: April 21, 2011
    Applicant: Duerr Optronik GmbH & Co. KG
    Inventor: Peter Duerrstein