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For the Inventor, By the Inventor

Remseck, Germany

Hans-Joachim Langer

This inventor holds 13 USPTO granted patents. Top assignees: Daimler-Benz Ag, Mercedes-Benz Aktiengesellschaft. Active years: 1980-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans-Joachim Langer. Retrieved from https://idiyas.com/inventor/hans-joachim-langer

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 149(Granted Patents)


Location History:

  • Fellbach-Schmiden, DE (1980)
  • Remseck, DE (1982 - 1999)

Company Filing History:

goldMedal10 out of 1,777 
 
Daimler-Benz Ag
 patents
silverMedal3 out of 932 
 
Mercedes-Benz Aktiengesellschaft
 patents

Years Active: 1980-1999

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13 patents (USPTO):Explore Patents
1. 5935530 - Exhaust gas catalytic converter for a diesel engine (1999-08-10),
2. 5452577 - Exhaust gas system for an internal combustion engine (1995-09-26),
3. 5300133 - Soot particle exhaust-gas filter (1994-04-05),
4. 5195466 - Method for the controlled addition of an additive to the fuel supply of (1993-03-23),
5. 5089237 - Gas filter with catalytic coating and a gastight downstream region (1992-02-18),
6. 5042248 - Process and apparatus for the regeneration of a soot-particle filter in (1991-08-27),
7. 4876852 - Diesel internal combustion engine with an exhaust gas line system (1989-10-31),
8. 4852349 - Arrangement for the removal of soot particles from the exhaust gas (1989-08-01),
9. 4775518 - Exhaust gas catalytic converter arrangement (1988-10-04),
10. 4428347 - Internal combustion engine (1984-01-31),
11. 4377135 - Additive means for an air compressing internal combustion engine (1983-03-22),
12. 4343149 - Soot filter in the exhaust gas stream of air-compressing internal (1982-08-10),
13. 4235846 - Converter for exhaust gas with removable insert housings having (1980-11-25),

Title: The Innovations of Hans-Joachim Langer

Introduction

Hans-Joachim Langer is a notable inventor based in Remseck, Germany. He holds a total of 13 patents, showcasing his significant contributions to the field of engineering, particularly in exhaust gas systems for internal combustion engines.

Latest Patents

One of his latest patents is an exhaust gas catalytic converter for a diesel engine. This innovative system enriches the diesel engine exhaust with hydrocarbons that support nitrogen oxide conversion in the catalyst. It features a first catalytic converter stage designed for NOx conversion in a specific temperature range, utilizing a part of the HC enrichment volume in the exhaust. The second catalytic converter stage follows, designed for NOx conversion at a higher temperature range, effectively reducing emissions of solid and volatile particles in diesel exhaust. Another significant patent is an exhaust gas system for an internal combustion engine, which reduces structure-borne noise emissions by coating surface areas of the exhaust system with a silencing layer made of metal powder, applied through plasma spraying or sintering.

Career Highlights

Throughout his career, Hans-Joachim Langer has worked with prominent companies such as Daimler-Benz AG and Mercedes-Benz Aktiengesellschaft. His work has significantly impacted the automotive industry, particularly in enhancing engine efficiency and reducing emissions.

Collaborations

He has collaborated with notable colleagues, including Hans-Dieter Schuster and Jorg Abthoff, contributing to various innovative projects and advancements in automotive technology.

Conclusion

Hans-Joachim Langer's contributions to the field of engineering through his patents and collaborations have made a lasting impact on the automotive industry. His innovative solutions continue to influence the development of cleaner and more efficient internal combustion engines.

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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