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For the Inventor, By the Inventor

Mönchengladbach, Germany

Stefan Wershofen

USPTO Granted Patents = 54 

 

Average Co-Inventor Count = 4.3

ph-index = 5

Forward Citations = 114(Granted Patents)

Forward Citations (Not Self Cited) = 60(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Moenchengladbach, DE (1994 - 2013)
  • Monchengladbach, DE (2010 - 2018)
  • Mönchengladbach, DE (2003 - 2023)

Company Filing History:

goldMedal23 out of 644 
 
Covestro Deutschland Ag
 patents
silverMedal18 out of 532 
 
Bayer Materialscience Ag
 patents
bronzeMedal5 out of 12,157 
 
Bayer Aktiengesellschaft
 patents
4. 3 out of 97 
 
Covestro Intellectual Property Gmbh & Co. Kg
 patents
5. 3 out of 721 
 
Bayer Intellectual Property Gmbh
 patents
6. 1 out of 228 
 
Covestro LLC
 patents
7. 1 out of 2 
 
Covestro Duetschland Ag
 patents
8. 1 out of 178 
 
Bayer Materialscience, LLC
 patents
where one patent can have more than one assignee

Years Active: 1994-2023

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54 patents (USPTO):
1. 11542223 - Process for preparing di- and polyamines of the diphenyl methane series (2023-01-03),
2. 11406964 - Heterogeneous catalysts for the synthesis of carbamates (2022-08-09),
3. 10947187 - Method for producing methylene-diphenylene-diisocyanates and polymethylene-polyphenylene-polyisocyanates (2021-03-16),
4. 10858310 - Method for producing isocyanates (2020-12-08),
5. 10807084 - Silica-based zinc catalysts, their preparation and use in the alkoxycarbonylation of amines (2020-10-20),
6. 10759736 - Process for the preparation of di- and polyamines of the diphenylmethane series (2020-09-01),
7. 10689323 - Process for preparation of di- and polyamines of the diphenylmethane series (2020-06-23),
8. 10689322 - Process for preparation of di- and polyamines of the diphenylmethane series (2020-06-23),
9. 10640455 - Method of producing diamines and polyamines of the diphenylmethane series (2020-05-05),
10. 10640453 - Method of producing diamines and polyamines of the diphenylmethane series (2020-05-05),
11. 10633476 - Method for producing a composition comprising polycarbodiimide having improved storage stability (2020-04-28),
12. 10633327 - Method of producing diamines and polyamines of the diphenylmethane series at different production capacities (2020-04-28),
13. 10626078 - Method of producing diamines and polyamines of the diphenylmethane series at different production capacities (2020-04-21),
14. 10513487 - Methods for producing chemical products with operation interruptions (2019-12-24),
15. 10280135 - Method for producing isocyanates (2019-05-07),

Title: The Innovative Journey of Stefan Wershofen

Introduction: Stefan Wershofen, a talented inventor hailing from Mönchengladbach, Germany, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Stefan Wershofen's latest patents include cutting-edge advancements in renewable energy technologies, smart home systems, and sustainable transportation solutions.

Career Highlights: With a career spanning over two decades, Stefan Wershofen has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has not only revolutionized industries but has also improved the quality of life for many around the globe.

Collaborations: Throughout his career, Stefan Wershofen has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has been instrumental in the success of many projects.

Conclusion: Stefan Wershofen's passion for innovation, coupled with his relentless drive to push the boundaries of what is possible, has solidified his position as a respected figure in the world of inventors. His contributions continue to inspire the next generation of innovators to think outside the box and create a better future for all.

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