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Reinbek, Germany

Hans-Joachim Pierags

This inventor holds 12 USPTO granted patents. Top assignees: Wilhelm Fette Gmbh, Firma Wilhelm Fette Gmbh. Active years: 1991-2004.

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

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 6.6

ph-index = 6

Forward Citations = 92(Granted Patents)


Location History:

  • Lubeck, DE (1991 - 1997)
  • Reinsbek, DE (2001 - 2002)
  • Pronstorf, DE (2003 - 2004)

Company Filing History:

goldMedal8 out of 47 
 
Wilhelm Fette Gmbh
 patents
silverMedal4 out of 11 
 
Firma Wilhelm Fette Gmbh
 patents

Years Active: 1991-2004

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12 patents (USPTO):Explore Patents
1. 6749416 - Die for a rotary compression press (2004-06-15),
2. 6595767 - Rotary compression press (2003-07-22),
3. 6370021 - Operating stand for a tablet press device (2002-04-09),
4. 6361305 - Rotary tablet press (2002-03-26),
5. 6361302 - Rotary tabletting machine (2002-03-26),
6. 6181370 - Method and device for adjusting a stamp relative to a matrix with sinter-pressing (2001-01-30),
7. 5699273 - Method and apparatus for determining the force-displacement diagram of (1997-12-16),
8. 5643630 - Method and device for depositing pulverized lubricants or parting (1997-07-01),
9. 5248542 - Sealing strip for housing of pelletizing machine (1993-09-28),
10. 5151280 - Pelletizing machine (1992-09-29),
11. 5148740 - Rotary pelletizing machine with matrix disc having copper and lower (1992-09-22),
12. 5071336 - Rotary pelleting machine (1991-12-10),

Title: The Innovative Contributions of Hans-Joachim Pierags

Introduction

Hans-Joachim Pierags is a notable inventor based in Reinsbek, Germany. He has made significant contributions to the field of engineering, particularly in the design of rotary compression presses. With a total of 12 patents to his name, Pierags has demonstrated a commitment to innovation and excellence in his work.

Latest Patents

Among his latest patents, Pierags has developed a die for a rotary compression press. This die features a die holder that is axially supported in a guide bore, along with a die insert that is secured in place via a trunnion-shaped projection. The design allows for easy mounting through releasable fastening means, with the projection being helically guided in the bore between axially spaced stops and biased by a spring. Another significant invention is the rotary compression press itself, which is designed for creating cylindrical compacts, especially tablets. This press includes a rotatably driven rotor with a die-plate and upper and lower ram guides. The innovative design incorporates a pressure station with upper and lower pressure rollers, which apply pressing power to the rams, ensuring efficient operation.

Career Highlights

Throughout his career, Hans-Joachim Pierags has worked with prominent companies such as Wilhelm Fette GmbH. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of technology in his field.

Collaborations

Pierags has collaborated with notable colleagues, including Ulrich Zeuschner and Ulrich Arndt. These partnerships have fostered a creative environment that has led to the development of innovative solutions in engineering.

Conclusion

Hans-Joachim Pierags is a distinguished inventor whose work in rotary compression presses has made a lasting impact on the industry. His numerous patents and collaborations highlight his dedication to innovation and engineering excellence.

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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