Patents by Inventor Bo Christer Jakobsson

Bo Christer Jakobsson 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).

  • Cylindrical elongated furnace for treating material at high temperature in a gaseous atmosphere under high pressure
    Patent number: 3993433
    Abstract: In a cylindrical elongated furnace for treating materials at high temperature in a gaseous atmosphere under high pressure, there is a vertical cylindrical pressure chamber forming a furnace space surrounded by a cylindrical heater, with an insulating sheath around the furnace space and the heater formed of a number of metal tubes with insulation between them. At least one of the metal tubes is suspended from a supporting member at the upper part of the insulating sheath and is provided at its lower part with a number of slots extending upwardly from the bottom edge.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: November 23, 1976
    Assignee: Allmanna Svenska Elektriska Aktiebolaget
    Inventors: Sven-Erik Isaksson, Bo Christer Jakobsson