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Düsseldorf, Germany

Mannesmann Aktiengesellschaft

USPTO Granted Patents = 1,150

CIPO Patents = 3

Trademarks = 2

Forward Citations = 10,137

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1,456 inventors (with patents filed for the assignee):

Fritz-Peter Pleschiutschnigg (35 out of 62 patents)

Hans Schrewe (25 out of 25 patents)

Wolfgang Hauslaib (23 out of 24 patents)

4. Udo Gersemsky (21 out of 31 patents)

5. Bernd Gugel (19 out of 35 patents)

6. Wolfgang Reichelt (18 out of 21 patents)

7. Ingo Von Hagen (17 out of 20 patents)

8. Ulrich Urlau (16 out of 21 patents)

9. Ewald Feuerstacke (16 out of 17 patents)

10. Karl Ries (16 out of 18 patents)

11. Johann Stempfle (15 out of 25 patents)

12. Lothar Parschat (15 out of 23 patents)

13. Roland Staggl (15 out of 15 patents)

14. Rudolf Moller (15 out of 31 patents)

15. Wolfgang Hendrischk (15 out of 15 patents)

Core Competencies:

Telecommunication Networks

Data Transmission

Continuous Casting

Steel Production

Mobile Wireless Networks

Traffic Information

Virtual Private Networks

Gas Storage Devices

Crane Technology

Pipe Manufacturing

Quality Determination

Event Identification

1,150 patents: Sort by Forward Citations

1. 6965768 - Allocation of a channel for data calls with a different useful signal/ disturb signal ratio than for channels used for voice calls in mobile radio networks (2005-11-15),

2. 6847815 - METHOD FOR DETECTING, ON A TELECOMMUNICATION NETWORK SIDE, THE COMPLEXITY, ON THE TELECOMMUNICATION NETWORK SIDE, OF A TELECOMMUNICATION LINK BETWEEN TWO SUBSCRIBERS IN ORDER TO DETERMINE THE RATE, AND DEVICE FOR REALISING THE SAME (2005-01-25),

3. 6701999 - Method and device for producing slabs of steel (2004-03-09),

4. 6690919 - Determining the quality of telecommunication services (2004-02-10),

5. 6650891 - SMS-supported method for online/offline detection of user groups in mobile wireless networks (2003-11-18),

6. 6644151 - Apparatus for the continuous, chipless separation of individual, identical disk-shaped blanks or rods from round bar-shaped workpieces (2003-11-11),

7. 6633808 - Method for transmitting traffic information (2003-10-14),

8. 6626229 - Method and device for producing slabs (2003-09-30),

9. 6618667 - Method for identifying events which cover more than one segment using segments (2003-09-09),

10. 6615632 - Parting tool (2003-09-09),

11. 6611749 - Binary transmission system (2003-08-26),

12. 6611194 - Method for inserting a service key in a terminal and devices for implementing said method (2003-08-26),

13. 6585299 - Pipe connector (2003-07-01),

14. 6585032 - Strip casting plant (2003-07-01),

15. 6568461 - Continuous casting facility and process for producing thin slabs (2003-05-27),

Mannesmann Aktiengesellschaft is a German engineering conglomerate that specializes in various industries including telecommunications, automotive, and industrial engineering. They provide innovative solutions and products in areas such as steel, pipes, mechanical engineering, energy, and electronics. With a rich history dating back to the 19th century, Mannesmann has established itself as a trusted global leader in its respective sectors.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

1,150 Patents

#1 in Düsseldorf

#44 in Germany

#871 in the World

Düsseldorf, Germany

Mannesmann Aktiengesellschaft

Forward Citations = 10,137

1,456 inventors:

Fritz-Peter Pleschiutschnigg (35 out of 62 patents)

Hans Schrewe (25 out of 25 patents)

Wolfgang Hauslaib (23 out of 24 patents)

4. Udo Gersemsky (21 out of 31 patents)

5. Bernd Gugel (19 out of 35 patents)

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