Patents by Inventor A. Steven Walleck

A. Steven Walleck 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).

  • Publication number: 20100170229
    Abstract: An exhaust-gas system for a motor vehicle includes at least one exhaust-gas cleaning system and at least one regeneration device for the exhaust-gas cleaning system, by means of which regeneration device an oxidizable fluid in vapor form can be introduced into the exhaust-gas stream ahead of the exhaust-gas cleaning system. The regeneration device includes a housing with a chamber formed in it as well as a heating element positioned in the chamber, the housing having on its upstream side an inflow opening for exhaust gases and on its downstream side an outlet opening and being arranged in the interior of the exhaust-gas stream.
    Type: Application
    Filed: December 29, 2005
    Publication date: July 8, 2010
    Inventors: Helmut Venghaus, Andreas Mayr, Marco Ranalli, Peter Kroner, Gregg Speer, Stefan Schmidt, Lee Watts, Clive D. Telford, David Herranz, A. Steven Walleck
  • Patent number: 7698887
    Abstract: An apparatus comprises an emissions trap and a loading determination device. The emissions trap is configured to trap emissions present in exhaust gas and comprises a first local region and a second local region. The loading determination device is configured to determine emissions loading of the first local region and emissions loading of the second local region. An associated method is disclosed.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: April 20, 2010
    Assignee: EMCON Technologies LLC
    Inventors: Helmut Venghaus, Lee Watts, Andreas Mayr, Clive D. Telford, Marco Ranalli, Peter Kroner, David Herranz, Gregg Speer, Stefan Schmidt, A. Steven Walleck
  • Patent number: 7370472
    Abstract: An apparatus comprises an emissions trap and a transfer function device. The transfer function device is configured to determine a transfer function of the emissions trap wherein the transfer function is representative of loading of the emissions trap. An associated method is disclosed.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: May 13, 2008
    Assignee: EMCON Technologies, LLC
    Inventors: Helmut Venghaus, Lee Watts, Andreas Mayr, Clive D. Telford, Marco Ranalli, Peter Kroner, David Herranz, Gregg Speer, Stefan Schmidt, A. Steven Walleck
  • Patent number: 7332142
    Abstract: An apparatus comprises an exhaust system and an injection system. The injection system is configured to vaporize a first liquid portion of an agent into at least one bubble so as to inject a second liquid portion of the agent into the exhaust system by use of the at least one bubble for delivery of the agent to an emission abatement device of the exhaust system. An associated method is disclosed.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: February 19, 2008
    Assignee: EMCON Tehnologies Germany (Augsburg) GmbH
    Inventors: Clive D. Telford, Helmut Venghaus, Lee Watts, Andreas Mayr, Marco Ranalli, Peter Kroner, David Herranz, Gregg Speer, Stefan Schmidt, A. Steven Walleck