Patents by Inventor Peter Wilhelm Reinhard Brennecke

Peter Wilhelm Reinhard Brennecke 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 providing an early detection of aerosol products of combustion of a polyvinyl chloride substance
    Patent number: 3973192
    Abstract: A device for providing an early detection of aerosol products of combustion originating at least partly from a polyvinyl chloride substance. It comprises an electric resistance body of magnesium having a very small thickness and being arranged to be exposed to said aerosol products of combustion, an electric measuring circuit connected to the resistance body, and an indicating means arranged to generate an indicating signal in dependence on that the resistance of the resistance body exceeds a definite level.
    Type: Grant
    Filed: November 5, 1974
    Date of Patent: August 3, 1976
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventors: Eduard Wilhelm Leonhard Justi, Henning Ewe, Peter Wilhelm Reinhard Brennecke