Patents by Inventor Thaddaus Buratowski

Thaddaus Buratowski 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).

  • Closure apparatus for motor vehicle fuel tanks
    Patent number: 6234555
    Abstract: The invention concerns a closing and opening apparatus for the filling opening of the tank of a motor vehicle. This includes a drive element for the opening and closing of a tank cap (3) functioning in conjunction with a filling opening (2) of a motor vehicle, a lever drive follower for the drive element and a control apparatus (100) with which the drive element is controllable from the interior of the motor vehicle space, especially from the driver's seat.
    Type: Grant
    Filed: July 23, 1998
    Date of Patent: May 22, 2001
    Assignee: Alfmeier Prazision AG Baugruppen und Systemlosungen
    Inventors: Ulf Emmerich, Thaddäus Buratowski
  • Checkvalve unit
    Patent number: 6220271
    Abstract: A checkvalve (1) is provided with an inlet which can be connected to an operating system requiring a negative pressure, e.g. to a braking force amplifier (17), an outlet (3) which can be connected to a negative-pressure system producing a negative pressure, a main air channel (4) connecting the inlet and the outlet in a fluid manner and enabling an air flow in the direction of the outlet, a first checkvalve (9) installed in the main air channel (4), a single outside-air channel (5) which branches off downstream of the first checkvalve (9) and lets out into the atmosphere and a cross-sectional narrowing (7) in the manner of a venturi pipe (6), a venturi channel (8) connecting the cross-sectional narrowing (7) upstream of the first checkvalve (9) to the main air channel (4) and a second valve (10) located between the inlet (2) and the cross-sectional narrowing (7) in the main air channel (4) or in the venturi channel (8).
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: April 24, 2001
    Assignee: Alfmeier Prazision AG Baugruppen und Systemlosungen
    Inventors: Ulf Emmerich, Thaddäus Buratowski
  • Checkvalve unit
    Patent number: 6035881
    Abstract: A checkvalve (1) is provided with an inlet which can be connected to an operating system requiring a negative pressure, e.g. to a braking force amplifier (17), an outlet (3) which can be connected to a negative-pressure system producing a negative pressure, a main air channel (4) connecting the inlet and the outlet in a fluid manner and enabling an air flow in the direction of the outlet, a first checkvalve (9) installed in the main air channel (4), a single outside-air channel (5) which branches off downstream of the first checkvalve (9) and lets out into the atmosphere and a cross-sectional narrowing (7) in the manner of a venturi pipe (6), a venturi channel (8) connecting the cross-sectional narrowing (7) upstream of the first checkvalve (9) to the main air channel (4) and a second valve (10) located between the inlet (2) and the cross-sectional narrowing (7) in the main air channel (4) or in the venturi channel (8).
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: March 14, 2000
    Assignee: Walter Alfmeier AG Prazisions-Baugruppenelemente
    Inventors: Ulf Emmerich, Thaddaus Buratowski