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Frankfurt am Main, Germany

Hartmann & Braun Ag

USPTO Granted Patents = 46

Forward Citations = 355

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57 inventors (with patents filed for the assignee):

Walter Fabinski (17 out of 29 patents)

Udo Deptolla (5 out of 5 patents)

Hans-Herbert Kirste (4 out of 4 patents)

4. Arno Bruhn (4 out of 4 patents)

5. Alois Ruse (3 out of 3 patents)

6. Christian Wolff (3 out of 3 patents)

7. Peter Schlau (3 out of 5 patents)

8. Joachim Staab (3 out of 4 patents)

9. Heinz Wolf (3 out of 3 patents)

10. Willy Apel (3 out of 3 patents)

11. Margareta Ascherfeld (3 out of 3 patents)

12. Michael Zochbauer (2 out of 6 patents)

13. Werner Schaefer (2 out of 2 patents)

14. Guenter Bernhardt (2 out of 2 patents)

15. Peter Hubschmann (2 out of 2 patents)

46 patents: Sort by Forward Citations

1. 6163325 - Flush-mounted multi-channel printer (2000-12-19),

2. 5796608 - Self controllable regulator device (1998-08-18),

3. 5764244 - Arrangement for positioning a pen in a recording device (1998-06-09),

4. 5764016 - Method for positioning a pen in a recording device (1998-06-09),

5. 5760697 - Multi-channel recording device (1998-06-02),

6. 5459075 - Apparatus for measuring the total content of organic carbon and nitrogen (1995-10-17),

7. 5340542 - Apparatus for the measurement of the total content of organic carbon and (1994-08-23),

8. 5292666 - Method for the measurement of the total content of organic carbon and (1994-03-08),

9. 5242836 - Method and device for the treatment of a gas to be analyzed (1993-09-07),

10. 5138248 - Load independent current feeding circuit (1992-08-11),

11. 5085087 - Sampling corrosive fluid (1992-02-04),

12. 5077469 - Calibrating a nondispersive infrared gas analyzer (1991-12-31),

13. 5059026 - Interferometric device having a controllable Fabry-Perot (1991-10-22),

14. 5003175 - Calibration of nondispersive infrared photometer (1991-03-26),

15. 4999013 - Controllable interferometer (1991-03-12),

Hartmann & Braun AG is a leading industrial automation solutions provider specializing in process measurement and control technologies. With a rich history dating back to 1879, we offer innovative products and services for a wide range of industries, including chemicals, pharmaceuticals, oil and gas, water treatment, and food and beverage. Our comprehensive portfolio includes advanced sensors, control systems, and data analytics software that enable our customers to optimize their processes, increase productivity, and ensure safety and reliability. Visit our website to learn more about our solutions and how we can help enhance your business operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

46 Patents

#23 in Frankfurt am Main

#1,176 in Germany

#14,661 in the World

Frankfurt am Main, Germany

Hartmann & Braun Ag

Forward Citations = 355

57 inventors:

Walter Fabinski (17 out of 29 patents)

Udo Deptolla (5 out of 5 patents)

Hans-Herbert Kirste (4 out of 4 patents)

4. Arno Bruhn (4 out of 4 patents)

5. Alois Ruse (3 out of 3 patents)

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