Patents by Inventor Rolf Zeller

Rolf Zeller 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).

  • METHODS AND KITS FOR HIGH EFFICIENCY ENGINEERING OF CONDITIONAL MOUSE ALLELES
    Publication number: 20120107938
    Abstract: The present invention concerns methods and kits for the direct, targeted engineering of conditional alleles in rodent embryonic stem cells in which the conditional allele is replaced with a DNA of interest without first introducing heterotypic recombination sites, thus providing high efficiency targeted exchange of genetic material.
    Type: Application
    Filed: June 28, 2010
    Publication date: May 3, 2012
    Applicant: UNIVERSITY OF BASEL
    Inventors: Javier Lopez-Rios, Rolf Zeller, Marco Osterrwalder
  • Internal combustion engine having an induction conduit for the induction of fresh air
    Patent number: 5235938
    Abstract: An internal combustion engine has an induction conduit for the induction of fresh air. A section of the induction conduit extends over the cylinder head cover. In order to achieve the simplest and most operationally reliable engine space ventilation possible, the induction conduit section is provided with at least one connection stub pipe which protrudes through an opening provided in the cylinder head cover into a camshaft space. The camshaft space is connected to the induction conduit in an advantageously simple manner.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: August 17, 1993
    Assignee: Mercedes-Benz AG
    Inventors: Gerhard Haussmann, Achim Guggenmos, Heiko Gensert, Rolf Zeller, Helmut Seitz, Klaus Kofahl, Joachim Minich
  • Internal combustion engine balance shaft bearing arrangement at the crankcase
    Patent number: 4508069
    Abstract: A bearing arrangement for the balance shafts for balancing second order inertia forces on an internal combustion engine, in which the balance shafts run parallel to the crankshaft on both longitudinal walls of the crankcase, and have the ends carrying the balance weights supported by means of journal bearings within the crankcase and having driven ends supported by means of roller bearings outside the crankcase in the region of a crankcase end wall.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: April 2, 1985
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Helmut Dobler, Rolf Zeller, Helmut Seitz