Patents by Inventor Peter Marz

Peter Marz 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).

  • Drill bit
    Patent number: 8801344
    Abstract: The invention proposes a drill bit (1) leaving at least one main cutting edge (3, 3?) and at least one center cutting edge (15, 15?), wherein the drill bit (1) comprises a longitudinal axis (13), and wherein the at least one main cutting edge (3, 3?) and the at least one center cutting edge (15, 15?) are each assigned a rake face (7, 7?, 11, 11?). The drill bit (1) is characterized in that the rake face (11, 11?) assigned to the at least one center cutting edge (15, 15?) has at least two part faces (19, 19?; 21, 21?) which—as seen as perpendicular to the longitudinal axis (13) of the drill bit (1)—form an obtuse angle with one another, so that the at least one center cutting edge (15, 15?) comprises at least two part cutting edges (23, 23?; 25, 25?).
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: August 12, 2014
    Assignee: MAPAL Fabrik für Präzisionswerkzeuge Dr. Kress KG
    Inventors: Ulrich Krenzer, Peter Marz
  • DRILL BIT
    Publication number: 20120076597
    Abstract: The invention proposes a drill bit (1) leaving at least one main cutting edge (3, 3?) and at least one center cutting edge (15, 15?), wherein the drill bit (1) comprises a longitudinal axis (13), and wherein the at least one main cutting edge (3, 3?) and the at least one center cutting edge (15, 15?) are each assigned a rake face (7, 7?, 11, 11?). The drill bit (1) is characterized in that the rake face (11, 11?) assigned to the at least one center cutting edge (15, 15?) has at least two part faces (19, 19?; 21, 21?) which—as seen as perpendicular to the longitudinal axis (13) of the drill bit (1)—form an obtuse angle with one another, so that the at least one center cutting edge (15, 15?) comprises at least two part cutting edges (23, 23?; 25, 25?).
    Type: Application
    Filed: June 8, 2010
    Publication date: March 29, 2012
    Applicant: MAPAL FABRIK FUR PRAZISIONSWERKZEUGE DR. KRESS DG
    Inventors: Ulrich Krenzer, Peter Marz
  • Puncturing and catheterizing device for the human or animal body
    Patent number: 4824433
    Abstract: Puncturing and catheterizing device for the human or animal body with a metallic puncture needle and a cannula which surrounds the puncture needle in the region between its point and rear end and through which, after the puncture needle has been pulled out, a longer guide-wire can be inserted into the body, which then, after the cannula has also been pulled out, serves as a guide for a catheter to be inserted. The puncture needle 3 is electrically conductive from its point 1 to its end projecting out of the cannula 9 and is equipped with an electrical connecting piece 5 at the rear end (FIG. 1 ).
    Type: Grant
    Filed: April 5, 1984
    Date of Patent: April 25, 1989
    Assignee: Sterimed Gesellschaft fur medizinischen Bedarf mbH
    Inventors: Peter Marz, Jurgen Postel