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For the Inventor, By the Inventor

Zurich, Switzerland

Klingelnberg Ag


USPTO Granted Patents = 48

% Expired Patents = 33.3



Trademarks = 4

Forward Citations = 67

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41 inventors (with patents filed for the assignee):

goldMedal Olaf Vogel (8 out of 12 patents)

silverMedal Karl-Martin Ribbeck (7 out of 14 patents)

bronzeMedal Hartmuth Müller (6 out of 8 patents)

4.  Georg Mies (5 out of 16 patents)

5.  Jürgen Weber (5 out of 6 patents)

6.  Alexander Dürr (4 out of 4 patents)

7.  Rolf Schalaster (3 out of 4 patents)

8.  Martin Zagromski (3 out of 3 patents)

9.  Hartmut Marx (3 out of 3 patents)

10.  Wilhelm Kreh (3 out of 4 patents)

11.  Günter Mikoleizig (3 out of 4 patents)

12.  Rafael Frischtatzky (2 out of 2 patents)

13.  Hastings Wyman (2 out of 2 patents)

14.  Carsten Hünecke (2 out of 2 patents)

15.  Alexander Landvogt (2 out of 3 patents)


Core Competencies:
Bevel Gear
Gear Cutting
Grinding Machine
Clamping Device
Measuring Apparatus
Power Skiving
Roughness Measurement
Machining Process
Tool Positioning
Chamfering Method
Non-Straight Teeth
Hypocycloidal Gears

48 patents:

1. 12674722 - Roll testing machine for roll testing toothings (2026-07-07),
2. 11999053 - Method for designing and machining a gear wheel, and corresponding machine tool and software (2024-06-04),
3. 11951555 - Process for machining a gear workpiece, and corresponding pair of gears (2024-04-09),
4. 11806798 - Method for machining bevel gears using an eccentrically-moved dressable cup grinding wheel (2023-11-07),
5. 11660729 - Clamping device with planar contact (2023-05-30),
6. 10857607 - Method for gear cutting of bevel gear workpieces (2020-12-08),
7. 10830574 - Coordinate measuring apparatus with optical sensor and corresponding method (2020-11-10),
8. 10702936 - Method for machining the tooth flanks of bevel gear workpieces (2020-07-07),
9. 10639760 - Apparatus for machining a workpiece with a tool having a fluid feed apparatus, and a method for setting up such an apparatus (2020-05-05),
10. 10539407 - Roughness measurement sensor, an apparatus with a roughness measurement sensor and the respective use thereof (2020-01-21),
11. 10335876 - Grinding machine with pivotable tool spindle (2019-07-02),
12. 10252360 - Method for finish machining of a bevel gear in a region of a tooth head, machine for machining bevel gears, and grinding tool for use in association therewith (2019-04-09),
13. 10245664 - Bevel gear cutting machine for chamfering bevel gear tooth edges and method for chamfering the tooth edges of bevel gears (2019-04-02),
14. 10245649 - Workpiece clamping system for a measuring machine (2019-04-02),
15. 10209051 - Contact measurement on the tooth flank of a gearwheel workpiece (2019-02-19),
Klingelnberg AG, headquartered in Zurich, Switzerland, specializes in advanced manufacturing solutions for bevel gears and precision gear cutting. The company is renowned for its innovative grinding machines and clamping devices, which enhance the efficiency and accuracy of machining processes. Klingelnberg also focuses on roughness measurement and power skiving technologies, positioning itself as a leader in the field of coordinate measuring apparatus. Its commitment to research and development drives advancements in gear manufacturing and precision engineering.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Klingelnberg Ag
48 Patents

#21 in

#305 in

#14,527 in the World

Zurich, CH
Zurich, Switzerland

Klingelnberg Ag

Forward Citations = 67

41 inventors:

goldMedal Olaf Vogel (8 out of 12 patents)

silverMedal Karl-Martin Ribbeck (7 out of 14 patents)

bronzeMedal Hartmuth Müller (6 out of 8 patents)

4.  Georg Mies (5 out of 16 patents)

5.  Jürgen Weber (5 out of 6 patents)

Please report any incorrect information to [email protected]
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