Patents by Inventor Frank Wolf

Frank Wolf 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).

  • Rain sensor, in particular for a motor vehicle
    Patent number: 6842271
    Abstract: A rain sensor for a motor vehicle, having a transmitter emitting radiation, a receiver, and a holographically embodied diffractive element that has a linear-grating-like structure.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: January 11, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Helmut Sautter, Armin Jerger, Frank Wolf, Gerhard Hochenbleicher, Vincent Thominet, Zishao Yang
  • Rain sensor, especially for a motor vehicle
    Publication number: 20040232363
    Abstract: A rain sensor, particularly for a motor vehicle, includes a light-conducting member arranged in an intermediate layer of a glass, and is designed as an optically closed system.
    Type: Application
    Filed: July 1, 2004
    Publication date: November 25, 2004
    Inventors: Helmut Sautter, Armin Jerger, Frank Wolf, Gerhard Hochenbleicher, Vincent Thominet, Zishao Yang
  • Rain sensor, in particular for a motor vehicle
    Publication number: 20040113105
    Abstract: A rain sensor for a motor vehicle is proposed, having a transmitter (16) emitting radiation, a receiver (18), and a holographically embodied diffractive element (22a, 22b) that has a linear-grating-like structure.
    Type: Application
    Filed: January 23, 2004
    Publication date: June 17, 2004
    Inventors: Helmut Sautter, Armin Jerger, Frank Wolf, Gerhard Hochenbleicher, Vincent Thominet, Zishao Yang
  • Process for producing pressed fertilizer granulates
    Patent number: 6379414
    Abstract: A process is for the production of potash fertilizer granulates which have a stable shelf life also at high relative air humidities. This granulate contains an additive in the form of magnesium oxide and/or calcium oxide in a fine powder form, which is added by metering in prior to the compacting step. The result is a high final bursting strength even if the granulate is stored in a wet climate.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: April 30, 2002
    Assignee: Kali und Salz GmbH
    Inventors: Ulrich Kleine-Kleffmann, Ludger Waldmann, Frank Wolf
  • Control apparatus for a vehicle air treatment installation
    Patent number: 5636682
    Abstract: A control apparatus for a heating and/or air conditioning installation, especially in a motor vehicle, which includes at least two modules, each of which is in the form of parallelepiped. Each module is arranged to contain at least one control member and has fastening means for fastening the modules together. A front plate is fitted on the from of the modules, and has at least one aperture through which at least one control member can pass, and/or which is adapted to carry a control knob. The fastening means consist of groves and matching ribs which extend centrally over the whole length of lateral faces of the modules. This enables a rib or groove of one module to be fit into a groove or rib, respectively, of another module.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: June 10, 1997
    Assignee: Valeo Thermique Habitacle
    Inventor: Frank Wolf