Patents by Inventor Karl T. Bjorling

Karl T. Bjorling 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).

  • Test indicator for substances in liquids
    Patent number: 4454094
    Abstract: An indicator is disclosed, which is intended for detecting at least one test substance in a test medium, comprising a carrier and a reaction system consisting of at least a first reactant and a second reactant, applied separately on the carrier, said first reactant being intended to travel by diffusion to the second reactant through a parth in the carrier, soaked by the test medium, while reacting with the test substance.The indicator is characterized in that the first reactant is applied within at least one limited locality, while the second reactant is applied within at least one locality, on a varying distance from the locality of the first reactant.
    Type: Grant
    Filed: October 14, 1982
    Date of Patent: June 12, 1984
    Assignee: Alfa-Laval AB
    Inventors: Karl T. Bjorling, Ann-Marie M. S. Gronberg