Patents by Inventor Frank Buche

Frank Buche 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).

  • Exhaust heat exchanger
    Patent number: 6269870
    Abstract: In a heat exchanger used especially as an exhaust heat exchanger, provision is made for tube sheets, the tubes of a tube bundle, and a housing to be shaped from stainless steel sheets. The tube sheets are formed as deep-drawn and stamped parts, each of which has a circumferential wall that projects outward beyond the ends of the tubes in the tube bundle. The walls are welded to the housing, and each of the walls is abutted by a diffuser.
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: August 7, 2001
    Assignee: Behr GmbH & Co.
    Inventors: Matthias Banzhaf, Martin Bauer, Claus Beck, Martin Bott, Steffen Brunner, Frank Büche, Guido Domke, Markus Esslinger, Stefan Felber, Bernd Grünenwald, Bert Hiller, Wolfgang Knödler, Rainer Lutz, Joachim Schemel, Albert Schmitz, Peter Schwartz, Rainer Tränkle
  • High temperature MCrAl(Y) composite material containing carbide particle inclusions
    Patent number: 5141821
    Abstract: MCrAlY composite material with platinum and/or rhodium alloying elements as 5-15 wt. % thereof and containing included particles of carbides vanadium, niobium, tantalum, titanium, zirconium, hafnium, chromium, molybdenum and/or tungsten and/or mixtures thereof, enhancing the corrosion- and wear-resistance of such materials at high temperatures.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: August 25, 1992
    Assignee: Hermann C. Starck Berlin GmbH & Co KG
    Inventors: Erich Lugscheider, Heinz Eschnauer, Johannes Wilden, Frank Buche, Helmut Meinhardt