For the Inventor, By the Inventor

Enter assignee name

Frankfurt, Germany

Lurgi Zimmer Aktiengesellschaft

Calculating rank

USPTO Granted Patents = 18

% Expired Patents = 22.2

Forward Citations = 74

Loading Chart...

Loading Chart...

33 inventors (with patents filed for the assignee):

Dietmar Wandel (4 out of 19 patents)

Ferdinand Finkeldei (3 out of 6 patents)

Walter Schnaus (3 out of 5 patents)

4. Heinz-Dieter Beeck (3 out of 9 patents)

5. Werner Mrose (3 out of 5 patents)

6. Heinz-Dieter Schumann (3 out of 10 patents)

7. Ulrich Thiele (3 out of 22 patents)

8. Helmut Schwind (2 out of 10 patents)

9. Joachim Cziollek (2 out of 4 patents)

10. Werner Ude (2 out of 21 patents)

11. Wolfgang Janas (2 out of 5 patents)

12. Ingo Cordes (2 out of 2 patents)

13. Gerhard Keunecke (2 out of 6 patents)

14. Henryk Struszczyk (1 out of 6 patents)

15. Alojzy Urbanowski (1 out of 5 patents)

18 patents: Sort by Forward Citations

1. 6860283 - Method of cleaning valves or lines (2005-03-01),

2. 6763852 - Alternating distributor for high-viscosity liquids (2004-07-20),

3. 6656583 - High-strength polyester threads and method for producing the same (2003-12-02),

4. 6645621 - Discontinous polyethylene terephthalate fibres and method for producing the same (2003-11-11),

5. 6576339 - Polyester-staple fibres and method for the production thereof (2003-06-10),

6. 6313200 - Process for feeding additives into a polymer melt stream (2001-11-06),

7. 6312245 - Reheater door of a spinning device (2001-11-06),

8. 6242595 - Process for the recovery of cellulose carbamate (2001-06-05),

9. 6234778 - Device for spinning of solutions of cellulose carbamate (2001-05-22),

10. 6230990 - Injector for feeding additives in a polymer melt stream (2001-05-15),

11. 6148861 - Multiway valve for fluids and its use (2000-11-21),

12. 6146566 - Process and device for transporting vapor through at least one round (2000-11-14),

13. 6106763 - Process for producing cellulosic mouldings (2000-08-22),

14. 6093788 - Process of recovering .epsilon.-caprolactam from PA-6 synthesis extract (2000-07-25),

15. 6066713 - Process for improving the drawing ability of polyester (2000-05-23),

Company Overview

Lurgi Zimmer Aktiengesellschaft, based in Frankfurt, specializes in the development and manufacturing of advanced process technologies and equipment for various industries. The company focuses on areas such as chemical engineering, energy production, and environmental technology, providing innovative solutions that enhance efficiency and sustainability. With a commitment to research and development, Lurgi Zimmer aims to address complex challenges in industrial processes, contributing to the advancement of technology in its sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

18 Patents

#47 in Frankfurt

#2,398 in Germany

#34,283 in the World

Frankfurt, Germany

Lurgi Zimmer Aktiengesellschaft

Forward Citations = 74

33 inventors:

Dietmar Wandel (4 out of 19 patents)

Ferdinand Finkeldei (3 out of 6 patents)

Walter Schnaus (3 out of 5 patents)

4. Heinz-Dieter Beeck (3 out of 9 patents)

5. Werner Mrose (3 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lurgi Zimmer Aktiengesellschaft. Retrieved from https://idiyas.com/company/lurgi-zimmer-ag

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

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]

Loading…