Patents by Inventor Gijsbert Docters van Leeuwen

Gijsbert Docters van Leeuwen 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).

  • System and method for drying a water-containing substance
    Patent number: 8365436
    Abstract: Method and device for drying a water-containing substance using an air stream by: heating the air stream in a first heat exchanger (1) by direct contact between the air stream and a first portion of the water-containing substance; separating the heated air stream into a first and a second air stream; heating the second air stream in a heating unit (3); drying a second portion of the water-containing substance in a drying unit (5) by direct contact between the heated second air stream and the second portion of the water-containing substance; cooling the second air stream to the temperature level of the first cooling liquid in a second heat exchanger (201a) using a first cooling liquid; mixing the cooled second air stream and the first air stream in a mixing unit; cooling the mixed air stream by means of a second cooling liquid in a third heat exchanger (201b).
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: February 5, 2013
    Assignee: Leudal Holding B.V.
    Inventor: Gijsbert Docters van Leeuwen
  • SYSTEM AND METHOD FOR DRYING A WATER-CONTAINING SUBSTANCE
    Publication number: 20110041357
    Abstract: Method and device for drying a water-containing substance using an air stream by: heating the air stream in a first heat exchanger (1) by direct contact between the air stream and a first portion of the water-containing substance; separating the heated air stream into a first and a second air stream; heating the second air stream in a heating unit (3); drying a second portion of the water-containing substance in a drying unit (5) by direct contact between the heated second air stream and the second portion of the water-containing substance; cooling the second air stream to the temperature level of the first cooling liquid in a second heat exchanger (201a) using a first cooling liquid; mixing the cooled second air stream and the first air stream in a mixing unit; cooling the mixed air stream by means of a second cooling liquid in a third heat exchanger (201b).
    Type: Application
    Filed: June 3, 2008
    Publication date: February 24, 2011
    Applicant: LEUDAL HOLDING B.V.
    Inventor: Gijsbert Docters Van Leeuwen