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For the Inventor, By the Inventor

Dormagen, Germany

Hartmut Dropczynski

This inventor holds 17 USPTO granted patents, primarily in Winding Technology. Top assignees: Jagenberg Aktiengesellschaft, Jagenberg Werke Ag, Jagenberg Papiertechnik Gmbh. Active years: 1980-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hartmut Dropczynski. Retrieved from https://idiyas.com/inventor/hartmut-dropczynski

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 7

Forward Citations = 147(Granted Patents)


Location History:

  • Konstrukteur, DE (1983)
  • Dusseldorf, DE (1984)
  • Dormagen, DE (1980 - 1999)

Company Filing History:

goldMedal12 out of 112 
 
Jagenberg Aktiengesellschaft
 patents
silverMedal3 out of 105 
 
Jagenberg Werke Ag
 patents
bronzeMedal2 out of 35 
 
Jagenberg Papiertechnik Gmbh
 patents

Years Active: 1980-1999

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Areas of Expertise:
Winding Apparatus
Air-Cushion Roll Support
Support Cylinders
Web Winding
Automatic Replacement
Winding Machine
Winding Sleeve
Drum-Type Winder
Webs of Material
Cellulose Winding
Shaftless Winding
Automatic Severing
17 patents (USPTO):Explore Patents
1. 5996926 - Winding apparatus with air-cushion roll support (1999-12-07),
2. 5855337 - Winding machine with support cylinders and air pressure relieved wind up (1999-01-05),
3. 5577684 - Winding machine with support cylinders (1996-11-26),
4. 5478026 - Winding machine with support cylinders (1995-12-26),
5. 5413656 - Method and device for exchanign windings rolls (1995-05-09),
6. 5273226 - Winding machine with support cylinders (1993-12-28),
7. 5222679 - Method of and apparatus for automatic replacement of a fully wound roll (1993-06-29),
8. 5067663 - Drum-type winder for winding webs of material (1991-11-26),
9. 5000395 - Apparatus for inserting a winding sleeve or core into a winding machine (1991-03-19),
10. 4974786 - Method and device for winding webs of material especially webs of paper (1990-12-04),
11. 4909454 - Apparatus for inserting a winding sleeve or core into a winding machine (1990-03-20),
12. 4726533 - Method of and apparatus for the automatic positioning of a web-winding (1988-02-23),
13. 4552316 - Method and apparatus for winding webs of cellulose (1985-11-12),
14. 4485979 - Device for shaftless winding machines (1984-12-04),
15. 4408727 - Method and apparatus for the automatic severing and reattachment of a web (1983-10-11),

Title: Hartmut Dropczynski - Innovative Inventor from Dormagen

Introduction: Hartmut Dropczynski is a renowned inventor hailing from Dormagen, Germany, known for his groundbreaking contributions to various fields.

Latest Patents: Hartmut Dropczynski holds several patents in the areas of chemical engineering, renewable energy, and sustainable technologies, showcasing his commitment to innovation.

Career Highlights: With a career spanning over two decades, Hartmut Dropczynski has worked with leading research institutions and companies, developing cutting-edge solutions that have had a significant impact on the industry.

Collaborations: Throughout his career, Hartmut Dropczynski has collaborated with top scientists, engineers, and inventors, fostering a culture of creativity and excellence in his projects.

Conclusion: Hartmut Dropczynski's passion for innovation and his dedication to pushing the boundaries of technology make him a standout figure in the world of inventors and innovators.

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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