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For the Inventor, By the Inventor

Lichtenfels, Germany

Stefan Fischer

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Siemens Aktiengesellschaft, Robert Bosch. Active years: 2002-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Stefan Fischer. Retrieved from https://idiyas.com/inventor/stefan-fischer-24n6blej

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 7

% Patents Active = 42.9


Average Co-Inventor Count = 2.6

ph-index = 4

Forward Citations = 87(Granted Patents)


Location History:

  • Nufringen, DE (2002 - 2003)
  • Lichtenfeld, DE (2003)
  • Lichtenfels, DE (2005 - 2009)

Company Filing History:

goldMedal6 out of 30,886 
 
Siemens Aktiengesellschaft
 patents
silverMedal1 out of 30,245 
 
Robert Bosch
 patents

Years Active: 2002-2009

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7 patents (USPTO):Explore Patents
1. 7497075 - Method and device for storing and dosing a reducing agent (2009-03-03),
2. 7241431 - Method and emission control system for catalytically reducing nitrogen oxides in the exhaust gas of a combustion system (2007-07-10),
3. 6941742 - Method and device for reducing the number of particles in an exhaust gas (2005-09-13),
4. 6589495 - Process for reducing the levels of halogenated hydrocarbons (2003-07-08),
5. 6576585 - Process for producing a catalyst body (2003-06-10),
6. 6569394 - Catalyst body and process for breaking down nitrogen oxides (2003-05-27),
7. 6475952 - PROCESS FOR PRODUCING A CATALYTICALLY ACTIVE MATERIAL, CATALYTIC CONVERTER HAVING A CATALYTICALLY ACTIVE MATERIAL PRODUCED IN THIS MANNER, AND USE OF THE CATALYTIC CONVERTER TO BREAK DOWN DIOXINS AND/OR FURANS (2002-11-05),

Title: The Innovations of Stefan Fischer

Introduction

Stefan Fischer is a notable inventor based in Lichtenfels, Germany. He has made significant contributions to the field of emission control systems and reducing agents, holding a total of 7 patents. His work focuses on improving the efficiency and effectiveness of catalytic exhaust gas aftertreatment systems.

Latest Patents

Fischer's latest patents include a "Method and device for storing and dosing a reducing agent." This invention describes an apparatus designed for the storage and metering of reducing agents used in catalytic exhaust gas aftertreatment. The device features an outer container and a cartridge that can be exchangeably positioned within it. Another significant patent is the "Method and emission control system for catalytically reducing nitrogen oxides in the exhaust gas of a combustion system." This system is particularly relevant for diesel motors and involves an oxidation catalyst arranged upstream of a reduction catalyst. The method enhances the decomposition of nitrogen oxides, utilizing the selectivity of the oxidation catalyst to form molecular nitrogen.

Career Highlights

Throughout his career, Stefan Fischer has worked with prominent companies such as Siemens and Robert Bosch GmbH. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of emission control technologies.

Collaborations

Fischer has collaborated with notable colleagues, including Frank Witzel and Günther Pajonk. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Stefan Fischer's contributions to the field of emission control and reducing agents are significant, as evidenced by his numerous patents and collaborations. His work continues to influence advancements in catalytic exhaust gas aftertreatment systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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