Patents by Inventor Henri Louis Drean

Henri Louis Drean 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).

  • Treatment process for a gaseous medium containing contaminating particles
    Patent number: 7147821
    Abstract: The invention relates to a method for treating a gaseous medium containing contaminating particles, such as microorganisms, bacteria, or viruses. The inventive method consists of generating an accelerated electron flux; the electron flux interacting with the gaseous medium, whereby the particles are broken or destroyed by ionization as a result of the interaction and the gaseous medium is sterilized. The invention can be used to treat the atmospheres of refrigerated vessels in refrigerators.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: December 12, 2006
    Assignee: Rasar Holding N.V.
    Inventor: Henri Louis Drean
  • Material and method for treating gaseous media containing volatile organic compounds
    Publication number: 20040198848
    Abstract: The invention relates to a material for treating gaseous media containing volatile organic components. According to the invention, the material is porous and exhibits an absorption capacity of approximately 20-30% in relation to the dry weight thereof, containing approximately 47-52% by weight of a composite carbon and silicon structure, approximately 12-20 wt. % carbon, approximately 5-7 wt % hydroxyl, and approximately 1-2 wt % oxygen. The invention can be used in atmospheric treatment for the preservation of living matter.
    Type: Application
    Filed: April 20, 2004
    Publication date: October 7, 2004
    Applicant: ECTIUM B.V.
    Inventor: Henri Louis Drean
  • Material and method for treating gaseous media containing volatile organic compounds
    Patent number: 6723296
    Abstract: The invention relates to a material for treating gaseous media containing volatile organic components. According to the invention, the material is porous and exhibits an absorption capacity of approximately 20-30% in relation to the dry weight thereof, containing approximately 47-52% by weight of a composite carbon and silicon structure, approximately 12-20 wt. % carbon, approximately 5-7 wt % hydroxyl, and approximately 1-2 wt % oxygen. The invention can be used in atmospheric treatment for the preservation of living matter.
    Type: Grant
    Filed: April 10, 2002
    Date of Patent: April 20, 2004
    Assignee: Ectium B.V.
    Inventor: Henri Louis Drean
  • Material and method for treating gaseous media containing volatile organic compounds
    Publication number: 20030152505
    Abstract: The invention relates to a material for treating gaseous media containing volatile organic components. According to the invention, the material is porous and exhibits an absorption capacity of approximately 20-30% in relation to the dry weight thereof, containing approximately 47-52% by weight of a composite carbon and silicon structure, approximately 12-20 wt. % carbon, approximately 5-7 wt % hydroxyl, and approximately 1-2 wt % oxygen. The invention can be used in atmospheric treatment for the preservation of living matter.
    Type: Application
    Filed: April 10, 2002
    Publication date: August 14, 2003
    Inventor: Henri Louis Drean