Patents by Inventor Peter Schlagbaum

Peter Schlagbaum 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).

  • Patent number: 5391093
    Abstract: In the ceramic insulating block for halogen lamps, which has a shallow channel with a re-entrant projection at its exit side, the insulating block (1) is provided at the entry side (9) of the shallow channel (2) with a recess (10) having a bell-shaped contour. The apex (11) of the recess extends towards the exit side (4) of the shallow channel (2). The recess has an apex height H.sub.s of .ltoreq.40%, an apex radius R.sub.s of .ltoreq.20% of the height H of the insulating block (1) and a base radius R.sub.B of between 140% and 60% of R.sub.S.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: February 21, 1995
    Assignee: Hoechst CeramTec Aktiengesellschaft
    Inventors: Peter Schlagbaum, Helmut Stuhler, Wilfried Krings