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For the Inventor, By the Inventor

Essen, Germany

Tk Elevator Innovation and Operations Gmbh


USPTO Granted Patents = 34



Trademarks = 25

Forward Citations = 8

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121 inventors (with patents filed for the assignee):

goldMedal Martin Madera (5 out of 8 patents)

silverMedal Jeffrey Shawn Duvall (5 out of 8 patents)

bronzeMedal Marius Matz (4 out of 4 patents)

4.  Michael Kirsch (3 out of 7 patents)

5.  Justin Charles Morse (3 out of 5 patents)

6.  Eduard Steinhauer (3 out of 8 patents)

7.  Philippe Gainche (3 out of 6 patents)

8.  Matthias Glück (2 out of 4 patents)

9.  William E Bowling (2 out of 3 patents)

10.  Michael Palazzola (2 out of 4 patents)

11.  Thomas Kuczera (2 out of 7 patents)

12.  Thomas Felis (2 out of 6 patents)

13.  Richard Thum (2 out of 4 patents)

14.  Martin Krieg (2 out of 5 patents)

15.  Jie Xu (2 out of 7 patents)


34 patents:

1. 12479700 - Elevator system having two shafts (2025-11-25),
2. 12459785 - Elevator system (2025-11-04),
3. 12415706 - Electrical monitoring connector for an elevator hoisting member (2025-09-16),
4. 12162724 - Systems and methods for displaying cabin operating panels in elevator cabs based on positions of passengers (2024-12-10),
5. 12116242 - Elevator counterweight mounted governor assemblies (2024-10-15),
6. 12113316 - Grounding assemblies for an elevator assembly (2024-10-08),
7. 12043518 - Tension equalizing traction sheave assembly for elevator assemblies (2024-07-23),
8. 11834300 - Stabilizing assemblies and methods of use thereof (2023-12-05),
9. 11603289 - Supporting device for a rotary platform in an elevator system (2023-03-14),
10. 11593537 - Method of planning a platform lift (2023-02-28),
11. 11530113 - Drive shaft for an elevator system (2022-12-20),
12. 11524870 - Method for operating a lift system and lift system designed for carrying out the method (2022-12-13),
13. 11447364 - Method for determining an absolute position of a moving travel unit of a stationary transport system (2022-09-20),
14. 11339028 - Synchronisation of door movements in a lift system (2022-05-24),
15. 11339027 - Lift car for a lift installation and method for opening and closing a door opening (2022-05-24),
TK Elevator Innovation and Operations GmbH is a leading global company in the elevator and escalator industry. With a focus on innovation and sustainability, TK Elevator provides cutting-edge solutions for vertical transportation. Their comprehensive range of products and services ensures safe, reliable, and efficient mobility for people in buildings of all kinds, from residential to commercial. With a strong presence in over 100 countries, TK Elevator is dedicated to shaping the future of urban mobility.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 2 2025

34 Patents

#22 in Essen

#1,476 in Germany

#19,016 in the World

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Essen, Germany

Tk Elevator Innovation and Operations Gmbh

Forward Citations = 8

121 inventors:

goldMedal Martin Madera (5 out of 8 patents)

silverMedal Jeffrey Shawn Duvall (5 out of 8 patents)

bronzeMedal Marius Matz (4 out of 4 patents)

4.  Michael Kirsch (3 out of 7 patents)

5.  Justin Charles Morse (3 out of 5 patents)

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