Patents by Inventor Uwe Köhler

Uwe Köhler 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).

  • Method for monitoring and controlling the charging of gastight alkaline rechargeable batteries
    Patent number: 6392389
    Abstract: In a method for monitoring the charging of gastight alkaline rechargeable batteries, the characteristics of the critical charging voltage (Ucrit) on a rechargeable battery are determined as a function of the charging current (I) for various temperatures (T) and are linearized by means of a function in the form A(I)×T+B(I). The value pairs A and B are stored as parameter arrays in a battery management system, and during operation of a physically identical rechargeable battery which is to be monitored, the associated critical charging voltage is calculated by measuring the temperature and charging current and is used to control the charging of the rechargeable battery. On reaching the critical charging voltage (Ucrit) which corresponds to the critical state of charge (LZcrit), the value of the critical state of charge can be calculated by measuring the current (I) and temperature (T).
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: May 21, 2002
    Assignee: NBT GmbH
    Inventor: Uwe Köhler
  • Method and system for providing and transmitting individualized traffic information
    Patent number: 6304758
    Abstract: A method and system for providing and transmitting individualized traffic information from a traffic network to a user via a telephone network and at least one voice channel. Traffic information is requested by the user from an information center that is capable of searching a traffic database and includes a voice generator for transmitting searched traffic information to the user in spoken form using the voice channel. The user request to the information center is character coded and a reference code is assigned to the traffic information being searched responsive to the user's request (call) and then transmitted to the user.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: October 16, 2001
    Assignee: Mannesmann AG
    Inventors: Wolfgang Iierbig, Bettina Hoischen, Jürgen Gaida, Uwe Köhler, Werner Schulz
  • Storage battery with temperture-control device
    Patent number: 6228524
    Abstract: The invention relates to a storage battery with several cylindrical cells, the cell walls of which are in close heat-conducting contact with a temperature-control device. The temperature-control device has at least two hollow bodies (2) through which a temperature-control medium flows, which bodies display semicircular bulges (6), the radii of which correspond approximately to that of the cells (1), and which are arranged in such a way that they fix the spatial positions of the cells (1) to each other.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: May 8, 2001
    Assignee: Varta Aktiengesellschaft
    Inventors: Uwe Köhler, Ulrich Jahn
  • Expression system for anaerobic gene expression in higher plants
    Patent number: 6194201
    Abstract: The present invention relates to an expression system for anaerobic gene expression in higher plants. The expression system comprises the promoter GapC4 or a fragment or variant and a gene to be expressed. A concrete field of application of the present invention is agriculture, particularly resistance cultivation.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: February 27, 2001
    Assignee: MPG Cologne GmbH Molecular Plant & Protein Biotechnology
    Inventors: Rüdiger Cerff, Klaus Düring, Reinhard Hehl, Uwe Köhler