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Frankfurt am Main, Germany

Lurgi Zimmer Aktiengesellschaft

USPTO Granted Patents = 18

Forward Citations = 73

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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),

Lurgi Zimmer Aktiengesellschaft is a leading engineering company specializing in the design, engineering, and construction of industrial plants for various industries. With a rich history dating back to the 19th century, Lurgi Zimmer has established a strong reputation for delivering innovative and sustainable solutions to meet the needs of their clients worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

18 Patents

#40 in Frankfurt am Main

#2,403 in Germany

#33,129 in the World

Frankfurt am Main, Germany

Lurgi Zimmer Aktiengesellschaft

Forward Citations = 73

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)

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