Patents by Inventor Kurt A. Feichtinger

Kurt A. Feichtinger 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).

  • Patent number: 7951449
    Abstract: High-strength, chemically and thermally stable, closed-cell foams, useful as structural core materials in sandwich composites. The core materials of the invention display anisotropic properties. The core materials of the invention are amenable to vacuum-mediated resin bonding to composite skins to provide lightweight, high-strength structural sandwiches suitable for use in a variety of applications, such as marine applications, construction, aviation, rapid transit, and recreational vehicles.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: May 31, 2011
    Inventors: Wenguang Ma, Kurt Feichtinger
  • Patent number: 6775921
    Abstract: In a method for manufacturing an annular scale from a measuring strip, the ends of a measuring strip are welded together, and the shortening of the scale-division marks in the joint region caused by the welding operation is compensated by a subsequent rolling operation.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: August 17, 2004
    Assignee: Johannes Heidenhain GmbH
    Inventors: Dieter Spark, Kurt Feichtinger
  • Publication number: 20040109993
    Abstract: High-strength, chemically and thermally stable, closed-cell foams, useful as structural core materials in sandwich composites. The core materials of the invention display anisotropic properties. The core materials of the invention are amenable to vacuum-mediated resin bonding to composite skins to provide lightweight, high-strength structural sandwiches suitable for use in a variety of applications, such as marine applications, construction, aviation, rapid transit, and recreational vehicles.
    Type: Application
    Filed: December 2, 2003
    Publication date: June 10, 2004
    Inventors: Wenguang Ma, Kurt Feichtinger
  • Publication number: 20040109994
    Abstract: High-strength, chemically and thermally stable, closed-cell foams, useful as structural core materials in sandwich composites. The core materials of the invention display anisotropic properties. The core materials of the invention are amenable to vacuum-mediated resin bonding to composite skins to provide lightweight, high-strength structural sandwiches suitable for use in a variety of applications, such as marine applications, construction, aviation, rapid transit, and recreational vehicles.
    Type: Application
    Filed: December 2, 2003
    Publication date: June 10, 2004
    Inventors: Wenguang Ma, Kurt Feichtinger
  • Publication number: 20040108613
    Abstract: High-strength, chemically and thermally stable, closed-cell foams, useful as structural core materials in sandwich composites. The core materials of the invention display anisotropic properties. The core materials of the invention are amenable to vacuum-mediated resin bonding to composite skins to provide lightweight, high-strength structural sandwiches suitable for use in a variety of applications, such as marine applications, construction, aviation, rapid transit, and recreational vehicles.
    Type: Application
    Filed: December 2, 2003
    Publication date: June 10, 2004
    Inventors: Wenguang Ma, Kurt Feichtinger
  • Publication number: 20040001946
    Abstract: High-strength, chemically and thermally stable, closed-cell foams, useful as structural core materials in sandwich composites. The core materials of the invention display anisotropic properties. The core materials of the invention are amenable to vacuum-mediated resin bonding to composite skins to provide lightweight, high-strength structural sandwiches suitable for use in a variety of applications, such as marine applications, construction, aviation, rapid transit, and recreational vehicles.
    Type: Application
    Filed: June 27, 2002
    Publication date: January 1, 2004
    Inventors: Wenguang Ma, Kurt Feichtinger
  • Patent number: 6668464
    Abstract: A coupling for the torsion-proof, but radially resilient connection of a stator of an angle encoder with a stator of an object to be measured, the coupling includes a spring element that is either normally in a first position but when the spring element is bent out by a bending force the spring element moves from the first position through a click point to a second position where the spring element engages a portion of the angle encoder or the spring element normally is biased in a first position but when the bias of the spring element at said first position is canceled the spring element is moved to a second position where the spring element engages a portion of the angle encoder.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: December 30, 2003
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventors: Johann Mitterreiter, Kurt Feichtinger, Hermann Meyer
  • Patent number: 6665945
    Abstract: A touch probe system that includes a receiver and a probe head that has a probe element positioned in a work space and a transmitter that transmits signals to the receiver. A rotating mechanism connected to the probe head for rotating the probe head around an axis in case of a change of position of the probe head within the work space so that the receiver receives signals from the transmitter even after the change of position.
    Type: Grant
    Filed: July 3, 2002
    Date of Patent: December 23, 2003
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventors: Rainer Hagl, Kurt Feichtinger
  • Patent number: 6637118
    Abstract: An angle encoder including a carrier member, a measurement tape securable on the bearing surface circumference of the carrier member by being clamped thereto and having its opposite ends engaging opposite stop surfaces provided on the bearing surface in a mounted position of the measurement tape, and an adjustment element for adjusting a position of at least one of the stop surface so that a distance between the two stop surfaces and thereby a length of the bearing surface circumference correspond to a length of the measurement tape.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: October 28, 2003
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventor: Kurt Feichtinger
  • Publication number: 20030173119
    Abstract: In a method for manufacturing an annular scale from a measuring strip, the ends of a measuring strip are welded together, and the shortening of the scale-division marks in the joint region caused by the welding operation is compensated by a subsequent rolling operation.
    Type: Application
    Filed: March 14, 2003
    Publication date: September 18, 2003
    Inventors: Dieter Spark, Kurt Feichtinger
  • Patent number: 6542088
    Abstract: A multi-turn rotary encoder that includes a first code carrier connected with an input shaft, a scanning device that scans the first code carrier and generates an absolute position of the input shaft within one revolution, and a digital code word is present at an output of the scanning device and a second code carrier for measuring the number of revolutions of the input shaft. A reduction gear is arranged between and coupled to the first and second code carriers. The second code carrier includes a magnetic body with at least one north and south pole and a substrate with a spatial arrangement of sensor elements integrated therein, which are sensitive to magnetic fields, is associated with the magnetic body.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: April 1, 2003
    Assignee: Dr. Johannes Heidenheim GmbH
    Inventors: Steffen Bielski, Kurt Feichtinger, Alfons Spies, Erich Strasser, Johann Mitterreiter, Hermann Meyer, Andreas Schroter
  • Publication number: 20030019121
    Abstract: A touch probe system that includes a receiver and a probe head that has a probe element positioned in a work space and a transmitter that transmits signals to the receiver. A rotating mechanism connected to the probe head for rotating the probe head around an axis in case of a change of position of the probe head within the work space so that the receiver receives signals from the transmitter even after the change of position.
    Type: Application
    Filed: July 3, 2002
    Publication date: January 30, 2003
    Inventors: Rainer Hagl, Kurt Feichtinger
  • Patent number: 6507292
    Abstract: A positional encoder assembly including a positional encoder, an interface unit releasably connectable with the positional encoder for connecting the positional encoder with a data bus, and connection elements providing for connection of the interface unit with the positional encoder and for disconnection of the interface unit therefrom upon displacement of the interface unit relative to the positional encoder.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: January 14, 2003
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventor: Kurt Feichtinger
  • Publication number: 20020148123
    Abstract: A coupling for the torsion-proof, but radially resilient connection of a stator of an angle encoder with a stator of an object to be measured, the coupling includes a spring element that is either normally in a first position but when the spring element is bent out by a bending force the spring element moves from the first position through a click point to a second position where the spring element engages a portion of the angle encoder or the spring element normally is biased in a first position but when the bias of the spring element at said first position is canceled the spring element is moved to a second position where the spring element engages a portion of the angle encoder.
    Type: Application
    Filed: March 8, 2002
    Publication date: October 17, 2002
    Inventors: Johann Mitterreiter, Kurt Feichtinger, Hermann Meyer
  • Publication number: 20020108259
    Abstract: An angle encoder including a carrier member, a measurement tape securable on the bearing surface circumference of the carrier member by being clamped thereto and having its opposite ends engaging opposite stop surfaces provided on the bearing surface in a mounted position of the measurement tape, and an adjustment element for adjusting a position of at least one of the stop surface so that a distance between the two stop surfaces and thereby a length of the bearing surface circumference correspond to a length of the measurement tape.
    Type: Application
    Filed: February 8, 2002
    Publication date: August 15, 2002
    Inventor: Kurt Feichtinger
  • Patent number: 6410910
    Abstract: An angle measuring system for high-precision determination of the angular position of an object, the system including a stationary component unit, a rotationally symmetrical measurement graduation that is connected to an object that rotates about an axis of rotation (R) and a plurality of scanner units that are disposed in a defined three-dimensional orientation in the stationary component unit and serve to scan the measurement graduation at a plurality of different measurement graduation sites and generate angular-position-dependent fractional scanning signals. The system includes a correction system that receives the fractional scanning signals of the scanner units and generates angle-dependent output signals that are freed of errors that result from a possibly occurring nonagreement of the axis of rotation (R) of the object with an axis of symmetry of the measurement graduation.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: June 25, 2002
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventor: Kurt Feichtinger
  • Patent number: 6257907
    Abstract: An angular position encoder having a connecting cable (7) that is mounted simply and reliably is described. The cable (7) is connected so that it is relieved of strain. The connecting cable is clamped by a holder (10) on the housing (8). The housing (8) includes a cut-out (9) which makes a connector (6) accessible for attachment of the cable (7). The cut-out (9) can be sealed by a cover (12), and the cover (12) securely locks the holder (10) in its position.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: July 10, 2001
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventor: Kurt Feichtinger
  • Patent number: 6098295
    Abstract: An angular encoder including a flexible measurement tape having a graduation and secured to a sector of a convex or concave, as the case may be, circumferential surface of a support, a scanning head for scanning the graduation of the measurement tape and two tensioning or pressure devices provided at opposite ends of the measurement tape, dependent on whether the measurement tape abuts a convex or concave circumferential surface, respectively, which apply to the two ends of the measurement tape equal tensioning or pressure forces acting in opposite directions, respectively.
    Type: Grant
    Filed: November 17, 1998
    Date of Patent: August 8, 2000
    Assignee: Dr. Johannes Heidenhain GmbH
    Inventor: Kurt Feichtinger
  • Patent number: 6002126
    Abstract: The spacing distance D between a scale and a scanner element of a scanner unit is adjusted simply through the use of a positioning element which is part of the scanning unit. The scanner unit has a mounting element on which the scanner element is supported. The scanner element is displaceable perpendicularly to a surface of the scale from a first reference position to a second reference position. A screw is used to actuate for the displacement and the reference positions are predetermined by stop faces of the screw and stop faces of the mounting element.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: December 14, 1999
    Assignee: Johannes Heidenhain GmbH
    Inventor: Kurt Feichtinger
  • Patent number: 5929129
    Abstract: New cross-linked polymeric foam compositions, and methods for making the same, are provided. The new compositions utilize novel cross-linked polyolefin copolymers and show improvements in strength, toughness, flexibility, heat resistance and heat-sealing temperature ranges as compared to conventional low density polyethylene compositions. The new compositions also show processing improvements over linear low density polyethylene. The novel polyolefins, which are essentially linear, comprise ethylene polymerized with at least one alpha-unsaturated C3 to C20 olefinic comonomer, and optionally at least one C3 to C20 polyene, and exhibit, in an uncross-linked sense, a resin density in the range of about 0.86 g/cm3 to about 0.96 g/cm3, a melt index in the range of about 0.5 dg/min to about 100 dg/min, a molecular weight distribution in the range of from about 1.5 to about 3.5, and a composition distribution breadth index greater than about 45 percent.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: July 27, 1999
    Assignee: Sentinel Products Corp.
    Inventor: Kurt Feichtinger