For the Inventor, By the Inventor

Enter assignee name

Traunreut, Germany

Dr. Johannes Heidenhain Gmbh

USPTO Granted Patents = 801

EPO Patents = 431

Trademarks = 42

Forward Citations = 4,899

Loading Chart...

Loading Chart...

505 inventors (with patents filed for the assignee):

Wolfgang Holzapfel (98 out of 113 patents)

Alfons Ernst (40 out of 50 patents)

Erich Strasser (34 out of 38 patents)

4. Elmar Josef Mayer (30 out of 35 patents)

5. Gunther Nelle (28 out of 34 patents)

6. Walter Huber (26 out of 33 patents)

7. Johann Mitterreiter (25 out of 27 patents)

8. Dieter Michel (24 out of 26 patents)

9. Walter Schmitt (22 out of 24 patents)

10. Markus Meissner (21 out of 22 patents)

11. Peter Speckbacher (20 out of 24 patents)

12. Sebastian Tondorf (19 out of 22 patents)

13. Michael Hermann (17 out of 19 patents)

14. Marc Oliver Tiemann (17 out of 18 patents)

15. Alfred Affa (17 out of 17 patents)

Core Competencies:

Inductive Position Measuring Device

Optical Position Measuring Device

Angle Measuring Device

Scanning Element

Sensor Assembly

Measuring Device

Rotary Encoder

Torsion Measurement

Interferometric Distance Measurement

Magnetic Position Measuring Device

Data Transmission

Grating Structure

801 patents: Sort by Forward Citations

1. 12491596 - Device and method for detecting an approach of a tool to a workpiece (2025-12-09),

2. 12449247 - Scale element for an inductive position measuring device (2025-10-21),

3. 12429591 - Method for tracking a retroreflector and device for carrying out such a method (2025-09-30),

4. 12326334 - Inductive position-measuring device (2025-06-10),

5. 12287196 - Scanning element and inductive position measuring device having this scanning element (2025-04-29),

6. 12235621 - Method for aligning a workpiece in a machine tool (2025-02-25),

7. 12226868 - Device and method for measuring tools (2025-02-18),

8. 12098919 - Device and method for determining a contact between a tool and a workpiece (2024-09-24),

9. 12044553 - Scanning unit for an angle-measuring device (2024-07-23),

10. 12031886 - Sensor assembly for measuring at least a first torsion of a rotor blade of a wind turbine generator system (2024-07-09),

11. 12025474 - Measuring device (2024-07-02),

12. 11946782 - Optical position-measuring device for suppressing disturbing higher diffraction orders (2024-04-02),

13. 11940304 - Position-measuring device having four scanning units and two measuring graduations (2024-03-26),

14. 11933643 - Inductive angle measuring device (2024-03-19),

15. 11913814 - Position measuring device (2024-02-27),

DR. JOHANNES HEIDENHAIN GMBH is a leading manufacturer of precision measurement and control equipment. With a wide range of products including linear and angular encoders, digital readouts, and numerical controls, Heidenhain serves various industries such as automation, machine tool, and semiconductor. With a strong commitment to innovation and quality, Heidenhain ensures its customers receive accurate and reliable solutions for their measurement needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

801 Patents

#1 in Traunreut

#64 in Germany

#1,212 in the World

Traunreut, Germany

Dr. Johannes Heidenhain Gmbh

Forward Citations = 4,899

505 inventors:

Wolfgang Holzapfel (98 out of 113 patents)

Alfons Ernst (40 out of 50 patents)

Erich Strasser (34 out of 38 patents)

4. Elmar Josef Mayer (30 out of 35 patents)

5. Gunther Nelle (28 out of 34 patents)

Please report any incorrect information to support@idiyas.com

Loading…