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For the Inventor, By the Inventor

Berlin, Germany

Hach Lange Gmbh


USPTO Granted Patents = 50

% Expired Patents = 8.0



Trademarks = 2

Forward Citations = 119

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81 inventors (with patents filed for the assignee):

goldMedal Michael Kussmann (15 out of 15 patents)

silverMedal Axel Leyer (14 out of 14 patents)

bronzeMedal Manfred Battefeld (13 out of 14 patents)

4.  Hans-Joachim Kumpch (12 out of 13 patents)

5.  Frank Steinhauer (12 out of 12 patents)

6.  Andreas Golitz (12 out of 14 patents)

7.  Markus Lenhard (11 out of 14 patents)

8.  Andreas Mitreiter (10 out of 14 patents)

9.  Markus Hahn (9 out of 9 patents)

10.  Andreas Jonak (9 out of 9 patents)

11.  Heinz Rudde (8 out of 8 patents)

12.  Lothar Heidemanns (8 out of 8 patents)

13.  Rolf Uthemann (8 out of 10 patents)

14.  Bas De Heij (7 out of 8 patents)

15.  Clemens Hanschke (7 out of 8 patents)


Core Competencies:
Photometric Measurement
Water Quality
Turbidimeter
Microfluidic Analyzer
Chemical Oxygen Demand
Ammonium Detection
Mobile Water Analysis
Optical Measurement
Water Sampling
Sensor Electrode
Wastewater Treatment
Nitrate Concentration

50 patents:

1. 12747985 - Photometric process measurement arrangement and a photometric measurement method (2026-09-29),
2. 12730003 - Photometric process measurement arrangement and a photometric measurement method (2026-09-08),
3. 12704456 - Method for determining ammonium (2026-08-11),
4. 12372387 - Flow velocity measurement arrangement (2025-07-29),
5. 12287316 - Water sampling immersion probe (2025-04-29),
6. 12287260 - Process water analysis sampling arrangement (2025-04-29),
7. D1069625 - Status indicator panel (2025-04-08),
8. D1067793 - Status indicator panel (2025-03-25),
9. 12235255 - Method of determining chemical oxygen demand (COD) for high chloride samples (2025-02-25),
10. 12188897 - Adjustment of a pH electrode carbon region (2025-01-07),
11. D1036619 - Housing for water analyzer (2024-07-23),
12. 11782020 - Adjustment of a pH electrode carbon region (2023-10-10),
13. 11714050 - Method for determining phosphate (2023-08-01),
14. 11209347 - Optical measurement apparatus (2021-12-28),
15. 10988394 - Cost control of wastewater treatment based on regulatory period (2021-04-27),
Hach Lange GmbH, based in Berlin, specializes in advanced water analysis technology, focusing on ensuring water quality across various applications. The company develops and manufactures innovative solutions such as photometric measurement devices, turbidimeters, and microfluidic analyzers. Their expertise extends to critical areas like chemical oxygen demand and ammonium detection, as well as mobile water analysis and optical measurement techniques. Hach Lange is committed to providing reliable tools for effective water management and environmental monitoring.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Hach Lange Gmbh
50 Patents

#22 in D-1000 Berlin

#1,050 in Germany

#13,981 in the World

Berlin, DE
Berlin, Germany

Hach Lange Gmbh

Forward Citations = 119

81 inventors:

goldMedal Michael Kussmann (15 out of 15 patents)

silverMedal Axel Leyer (14 out of 14 patents)

bronzeMedal Manfred Battefeld (13 out of 14 patents)

4.  Hans-Joachim Kumpch (12 out of 13 patents)

5.  Frank Steinhauer (12 out of 12 patents)

Please report any incorrect information to [email protected]
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