Patents Examined by James R. Hoffmann
  • Patent number: 4143204
    Abstract: Articles bearing unilayered coatings of tetrafluoroethylene/hexafluoropropylene copolymer and at least one auxiliary film-forming material.
    Type: Grant
    Filed: January 24, 1974
    Date of Patent: March 6, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James C. Fang
  • Patent number: 4105822
    Abstract: The invention relates to a solar collector comprising a fluid reservoir provided with a metal plate with a spectral-selective coating, which is brought on to the plate by providing the plate at first with a black enamel layer, then, during the cooling period of the enamelling process, by providing it with a layer of indium oxide by spraying indium chloride against the enamel and then by providing the plate with a layer of silicon oxide by atomizing silicon chloride against the indium oxide.
    Type: Grant
    Filed: April 1, 1976
    Date of Patent: August 8, 1978
    Assignee: Nederlandse Centrale Organisatie voor Toegepast-Natuurwetenschappelijk Onderzoek
    Inventor: Jan De Jong