Patents by Inventor Karl H. T. Andersson

Karl H. T. Andersson 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).

  • Loose sintering of spherical ferritic-austenitic stainless steel powder and porous body
    Patent number: 4435483
    Abstract: A porous sintered body, preferably a filter or filter material, with good corrosion resistance and with a pore volume which can be predicted within specified comparatively narrow limits, is made by loose sintering of a preferably gas-atomized spherical powder a ferritic-austenitic stainless steel.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: March 6, 1984
    Assignee: Nyby Uddeholm Powder Aktiebolag
    Inventors: Christer Ahslund, Karl H. T. Andersson, Sven S. Bergh