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Frankfurt, Germany

Hartmann & Braun Ag

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USPTO Granted Patents = 46

Forward Citations = 358

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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)

Core Competencies:

Infrared Gas Analyzer

Photometer

Fluid Analyzer

Calibration

Nondispersive

Electrochemical Cell

Radiation Detection

Sampling

Measurement

Control Systems

Multi-Channel Recording

Optical Transmission

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),

Company Overview

Hartmann & Braun AG, headquartered in Frankfurt, Germany, specializes in advanced measurement and control technologies. The company focuses on developing innovative solutions such as multi-channel printers, self-controllable regulators, and various analytical devices, including infrared gas analyzers and photometric analyzers. Their expertise extends to organic carbon measurement and radiation detection, catering to diverse industries that require precise and reliable instrumentation for environmental monitoring and process control.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

46 Patents

#29 in Frankfurt

#1,150 in Germany

#15,136 in the World

Frankfurt, Germany

Hartmann & Braun Ag

Forward Citations = 358

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hartmann & Braun Ag. Retrieved from https://idiyas.com/company/hartmann-and-braun-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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