Patents by Inventor Paulus Albertus De Bruin

Paulus Albertus De Bruin 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).

  • Heating apparatus and method for operation thereof
    Patent number: 6152086
    Abstract: Apparatus for heating fluid, comprising a first supply for supplying fuel, a second supply for supplying oxidizing agent, a burner for combusting fuel and oxidizing agents after mixing thereof and a first heat exchanger to be heated by flue gases of the burner and arranged belically round the burner.
    Type: Grant
    Filed: May 3, 1999
    Date of Patent: November 28, 2000
    Assignee: Cooperatieve Inkoopvereniging
    Inventors: Johan Derk Brouwer, Wim Benschop, Paulus Albertus De Bruin