Patents by Inventor Peter Obergfell

Peter Obergfell 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).

  • Testing system for chemical substances or substance mixtures
    Patent number: 6613542
    Abstract: In a testing system for chemical substances or substance mixtures, especially for potential plant protection compositions, the chemical substance to be tested or the substance mixture to be tested is applied to a test specimen, especially to plants or parts of plants. When a predetermined period of time has elapsed, the test specimen is examined for the activity of the substance or substance mixture. For this purpose, first of all a type of test specimen is selected from a stock of test specimens, and the substances to be tested are selected from a stock of substances to be tested. The selected type of test specimen and the selected substances are identified (BC1, BC2) by means of a machine-readable code and those codes are supplied to a memory unit (12).
    Type: Grant
    Filed: June 14, 2001
    Date of Patent: September 2, 2003
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Jörg Mentzen, Helmut Kessmann, Harald Danigel, Gerhard Klokow, Peter Obergfell
  • Testing system for chemical substances or substance mixtures
    Publication number: 20020110920
    Abstract: In a testing system for chemical substances or substance mixtures, especially for potential plant protection compositions, the chemical substance to be tested or the substance mixture to be tested is applied to a test specimen, especially to plants or parts of plants. When a predetermined period of time has elapsed, the test specimen is examined for the activity of the substance or substance mixture. For this purpose, first of all a type of test specimen is selected from a stock of test specimens, and the substances to be tested are selected from a stock of substances to be tested. The selected type of test specimen and the selected substances are identified (BC1, BC2) by means of a machine-readable code and those codes are supplied to a memory unit (12).
    Type: Application
    Filed: April 11, 2002
    Publication date: August 15, 2002
    Inventors: Jorg Mentzen, Helmut Kessmann, Harald Danigel, Gerhard Klokow, Peter Obergfell
  • Testing system for chemical substances or substance mixtures
    Patent number: 6277642
    Abstract: In a testing system for chemical substances or substance mixtures, especially for potential plant protection compositions, the chemical substance to be tested or the substance mixture to be tested is applied to a test specimen, especially to plants or parts of plants. When a predetermined period of time has elapsed, the test specimen is examined for the activity of the substance or substance mixture. For this purpose, first of all a type of test specimen is selected from a stock of test specimens, and the substances to be tested are selected from a stock of substances to be tested. The selected type of test specimen and the selected substances are identified (BC1, BC2) with a machine-readable code and those codes are supplied to a memory unit (12).
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: August 21, 2001
    Assignee: Syngenta Crop Protection, Inc.
    Inventors: Jörg Mentzen, Helmut Kessmann, Harald Danigel, Gerhard Klokow, Peter Obergfell