Patents by Inventor Ulf Hagg

Ulf Hagg 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: 8540811
    Abstract: A scrubber for the cleaning of gases containing several scrubber stages (1-4), where the scrubber stages are arranged in a scrubber tower with the different stages at different levels above each other in the scrubber tower. At least one of the scrubber stages (2-4) above the lowest scrubber stage (1) comprises, according to the invention, a ring-shaped tank (10, 15, 20) arranged inside the scrubber tower, which ring shaped tank (10, 15, 20) is arranged surrounding a central channel (9, 14, 19) through which the gas that is to be cleaned can pass upwards.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: September 24, 2013
    Assignee: Gotaverken Miljo AB
    Inventors: Ulf Hagg, Lennart Gustafsson
  • Publication number: 20070113737
    Abstract: A scrubber for the cleaning of gases containing several scrubber stages (1-4), where the scrubber stages are arranged in a scrubber tower with the different stages at different levels above each other in the scrubber tower. At least one of the scrubber stages (2-4) above the lowest scrubber stage (1) comprises, according to the invention, a ring-shaped tank (10, 15, 20) arranged inside the scrubber tower, which ring shaped tank (10, 15, 20) is arranged surrounding a central channel (9, 14, 19) through which the gas that is to be cleaned can pass upwards.
    Type: Application
    Filed: February 16, 2005
    Publication date: May 24, 2007
    Applicant: GOTAVERKEN MILJO AB
    Inventors: Ulf Hagg, Lennart Gustafsson