Patents by Inventor Robert Larnson

Robert Larnson 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).

  • Shutoff valve
    Publication number: 20030155385
    Abstract: A shutoff valve that in open state provides unobstructed straight flow through of the carried media. Operating without any critical metal to metal contact by utilizing elastic seals. The valve can be easily disassembled and reassembled without the use of tools, and constructed with fully interchangeable, replaceable and autoclavable parts.
    Type: Application
    Filed: April 6, 2001
    Publication date: August 21, 2003
    Inventors: Eivind Olav Sohoel, Robert Larnson