Patents by Inventor Carl Johan Ingvar Karlsson

Carl Johan Ingvar Karlsson 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).

  • Apparatus and a method for dewatering wood chips
    Patent number: 11285682
    Abstract: In an apparatus (1) for dewatering wood material (2), a first roll (3) and a second roll (4) form a nip (N1) in which water can be pressed out of the wood chips (2). An endless permeable conveyor (5) is arranged to pass through the nip (N1) and carry wood chips (2) through the nip (N1). A method of dewatering wood material uses the inventive apparatus.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: March 29, 2022
    Assignee: COPOLIA COMPANY SA
    Inventors: Ernest Stefan Georg Sobota, Carl Johan Ingvar Karlsson
  • APPARATUS AND A METHOD FOR DEWATERING WOOD CHIPS
    Publication number: 20200156343
    Abstract: The invention relates to an apparatus (1) for dewatering wood material (2). The apparatus (1) comprises a first roll (3) and a second roll (4) that form a nip (N1) in which water can be pressed out of the wood chips (2). An endless permeable conveyor (5) is arranged to pass through the nip (N1) and carry wood chips (2) through the (N1). The invention also relates to a method of dewatering wood material in which the inventive apparatus is used.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Applicant: COPOLIA COMPANY SA
    Inventors: Ernest Stefan Georg Sobota, Carl Johan Ingvar Karlsson
  • Apparatus and a method for dewatering wood chips
    Patent number: 10583622
    Abstract: An apparatus (1) and a method for dewatering wood material (2). The apparatus (1) includes a first roll (3) and a second roll (4) that form a nip (N i) in which water can be pressed out of the wood chips (2). An endless permeable conveyor (5) is arranged to pass through the nip (Ni) and carry wood chips (2) through the (Ni).
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: March 10, 2020
    Assignee: COPOLIA COMPANY SA
    Inventors: Ernest Stefan Georg Sobota, Carl Johan Ingvar Karlsson
  • APPARATUS AND A METHOD FOR DEWATERING WOOD CHIPS
    Publication number: 20150217530
    Abstract: The invention relates to an apparatus (1) for dewatering wood material (2). The apparatus (1) comprises a first roll (3) and a second roll (4) that form a nip (N1) in which water can be pressed out of the wood chips (2). An endless permeable conveyor (5) is arranged to pass through the nip (N1) and carry wood chips (2) through the (N1). The invention also relates to a method of dewatering wood material in which the inventive apparatus is used.
    Type: Application
    Filed: August 28, 2013
    Publication date: August 6, 2015
    Inventors: Ernest Stefan Georg Sobota, Carl Johan Ingvar Karlsson