Patents by Inventor Johan Sjoholm

Johan Sjoholm 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).

  • Filling method and filling device
    Patent number: 6305438
    Abstract: A filling device (100) for filling a container (1) with a liquid has a filling duct (15) which is connected to a storage tank. On a carrying means (10) there are arranged a deformable tube (20) which forms a throttle portion (22) in the duct (15), and a squeezing means (30) which is arranged along the tube and which is adapted to act on the sides of the tube (20) and which, when operated to close the duct, is adapted to move countercurrently to generate a subatmospheric pressure in the duct (15) downstream of the squeezing means (30). The filling device also has a meter for measuring a discharged amount of liquid.
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: October 23, 2001
    Assignee: Ecolean AB
    Inventors: Johan Sjöholm, Ulf Mossberg
  • Dosing device for mixing in a continuous process a flowing primary liquid with one or more added secondary liquids
    Patent number: 6254269
    Abstract: The present invention relates to a dosing device, or mixing device for mixing, in a continuous process, a flowing primary liquid with one or more added secondary liquids of a smaller quantity for obtaining a flowing liquid mixture at a permanent uniform mixing ratio of the mixed liquids.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: July 3, 2001
    Assignee: Arom Pak Aktiebolag
    Inventors: Georg Ernstson, Johan Sjöholm, Lars Dahlberg