Patents by Inventor Anders Engqvist

Anders Engqvist 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).

  • Patent number: 12234606
    Abstract: The invention relates to a tissue paper making machine designed for possible rebuild from one concept to another. The machine comprises a forming section (2) and a Yankee drying cylinder (3) mounted to be rotatable about a first axis of rotation (A1). The forming section has a forming roll mounted for rotation about a second axis of rotation (A2) which is parallel to the first axis of rotation (A1). The forming section (2) has a head box (5) and a first and a second forming fabric (6,7). The head box (5) is arranged to inject stock into a gap (8) between the first forming fabric (6) and the second forming fabric (7). The first forming fabric (6) is a felt that forms a loop and is arranged to carry a newly formed fibrous web (W) from the forming section (2) to the Yankee drying cylinder (3). The tissue paper making machine (1) comprises a press roll (9) arranged inside the loop of the first forming fabric (6) and forming a nip (N) against the Yankee drying cylinder (3).
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 25, 2025
    Assignee: VALMET AKTIEBOLAG
    Inventors: Arvid Johansson, Elin Engqvist, Danilo Marcos, Anders Lindén, Johan Rågård, Magnus Holmberg, Jan Erikson, Johan Björn
  • Patent number: 6607146
    Abstract: The invention relates to an apparatus to be mounted on an agricultural sprayer with the purpose of decreasing the drift and improving the deposition, penetration and uniformity of distribution when applying liquids, such as pesticides and liquid plant nutrients, the use of the apparatus and a method of manufacturing a movable part in one piece. The apparatus comprises a movable part (A) on which a sheet (B) and a sprayer (C) are mounted, which movable part (A) is mounted on a boom (D), and is characterized in that the movable part (A) is manufactured in one piece of an elastic material and is stiffened and weakened in sections and in mounting and use has the shape of a parallelogram.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: August 19, 2003
    Assignee: Acanova AB
    Inventors: Kenneth Alness, Sven Andersson, Per Bengtsson, Sven Bergman, Patrik Enfalt, Anders Engqvist, Niclas Engstrom, Torvald Larsson, Carl Westberg, Per Wretblad