Patents by Inventor Bjorn Buller

Bjorn Buller 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).

  • Chain saw with saw depth limitation
    Patent number: 6539635
    Abstract: To limit the penetration of the outer end of a chain saw into a material being cut by the saw, the chain carrying rail of the saw has a number of uniformly sized holes located at different points along its length into any selected one of which holes a limiting means can be placed, with the limiting means including two rotatable wheels located on opposite sides of the rail.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: April 1, 2003
    Assignee: Dolmar GmbH
    Inventors: Rolf Lehmann, Björn Buller
  • Chain saw with saw depth limitation
    Publication number: 20020026716
    Abstract: To limit the penetration of the outer end of a chain saw into a material being cut by the saw, the chain carrying rail of the saw has a number of uniformly sized holes located at different points along its length into any selected one of which holes a limiting means can be placed, with the limiting means including two rotatable wheels located on opposite sides of the rail.
    Type: Application
    Filed: July 19, 2001
    Publication date: March 7, 2002
    Inventors: Rolf Lehmann, Bjorn Buller