Patents by Inventor Steffen Hoppe

Steffen Hoppe 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).

  • Wheel position sensor
    Patent number: 7249418
    Abstract: A wheel angle determining device includes a position sensor being provided on a vehicle wheel assembly to directly measure a wheel angle. The wheel assembly having a first portion being fixedly connected to a vehicle and a second portion being rotatable about an axis formed in a plane substantially perpendicular to a vehicle travel direction. The second portion of the vehicle wheel assembly including a vehicle wheel. The position sensor having a first end operatively connected to the first portion of the vehicle wheel assembly and a second end operatively connected to the second portion of the vehicle wheel assembly.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: July 31, 2007
    Assignees: Hella KG a.A. Hueck & Co., Hella Electronics Corporation
    Inventors: Manfred Bartscht, Steffen Hoppe, Dirk Hobein, Steven Lietaert
  • Wheel position sensor
    Publication number: 20060101656
    Abstract: A wheel angle determining device includes a position sensor being provided on a vehicle wheel assembly to directly measure a wheel angle. The wheel assembly having a first portion being fixedly connected to a vehicle and a second portion being rotatable about an axis formed in a plane substantially perpendicular to a vehicle travel direction. The second portion of the vehicle wheel assembly including a vehicle wheel. The position sensor having a first end operatively connected to the first portion of the vehicle wheel assembly and a second end operatively connected to the second portion of the vehicle wheel assembly.
    Type: Application
    Filed: November 12, 2004
    Publication date: May 18, 2006
    Applicants: Hella KGaA Hueck & Co., HELLA ELECTRONICS CORPORATION
    Inventors: Dirk Hobein, Manfred Bartscht, Steffen Hoppe, Steven Lietaert
  • Piston ring with oxide-nitride composite layer
    Patent number: 6726216
    Abstract: A piston ring for use in a cylinder of an internal combustion engine, which ring is nitride-hardened at least on the sliding surface between piston ring and cylinder wall. The nitride layer is composed of a precipitated layer and a compound layer, wherein the piston ring consists of a low-alloyed iron-base material and an oxide layer is deposited on the compound layer.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: April 27, 2004
    Assignee: Federal-Mogul Friedberg GmbH
    Inventors: Ehrenfried Horn, Rudolf Widmann, Steffen Hoppe
  • Piston ring with oxide-nitride composite layer
    Publication number: 20020180157
    Abstract: A piston ring for use in a cylinder of an internal combustion engine, which ring is nitride-hardened at least on the sliding surface between piston ring and cylinder wall. The nitride layer is composed of a precipitated layer and a compound layer, wherein the piston ring consists of a low-alloyed iron-base material and an oxide layer is deposited on the compound layer.
    Type: Application
    Filed: June 3, 2002
    Publication date: December 5, 2002
    Inventors: Ehrenfried Horn, Rudolf Widmann, Steffen Hoppe
  • Method for producing a corrosion and wear resistant coating on iron materials
    Patent number: 5679411
    Abstract: In a method for producing corrosion and wear resistant coatings on iron material, in which subsurface areas are enriched with nitrogen, carbon, and oxygen, the iron material is nitrocarburized for forming a connective coating of carbonitride. The surface of the iron material is activated with a plasma-supported vacuum process. The ion material is subsequently oxidized to form a continuous oxide coating.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: October 21, 1997
    Assignee: Metaplas Ionon Oberflachenveredelungstechnik GmbH
    Inventor: Steffen Hoppe