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For the Inventor, By the Inventor

Berlin, Germany

Hach Lange Gmbh


USPTO Granted Patents = 47



Trademarks = 2

Forward Citations = 119

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116 inventors (with patents filed for the assignee):

goldMedal Michael Kussmann (15 out of 15 patents)

silverMedal Manfred Battefeld (13 out of 14 patents)

bronzeMedal Hans-Joachim Kumpch (12 out of 13 patents)

4.  Frank Steinhauer (12 out of 12 patents)

5.  Axel Leyer (12 out of 12 patents)

6.  Andreas Golitz (11 out of 13 patents)

7.  Andreas Mitreiter (10 out of 14 patents)

8.  Markus Lenhard (9 out of 13 patents)

9.  Markus Hahn (8 out of 8 patents)

10.  Andreas Jonak (8 out of 8 patents)

11.  Lothar Heidemanns (8 out of 8 patents)

12.  Rolf Uthemann (8 out of 10 patents)

13.  Heinz Rudde (7 out of 7 patents)

14.  Bas De Heij (6 out of 7 patents)

15.  Clemens Hanschke (6 out of 8 patents)


47 patents:

1. 12372387 - Flow velocity measurement arrangement (2025-07-29),
2. 12287316 - Water sampling immersion probe (2025-04-29),
3. 12287260 - Process water analysis sampling arrangement (2025-04-29),
4. D1069625 - Status indicator panel (2025-04-08),
5. D1067793 - Status indicator panel (2025-03-25),
6. 12235255 - Method of determining chemical oxygen demand (COD) for high chloride samples (2025-02-25),
7. 12188897 - Adjustment of a pH electrode carbon region (2025-01-07),
8. D1036619 - Housing for water analyzer (2024-07-23),
9. 11782020 - Adjustment of a pH electrode carbon region (2023-10-10),
10. 11714050 - Method for determining phosphate (2023-08-01),
11. 11209347 - Optical measurement apparatus (2021-12-28),
12. 10988394 - Cost control of wastewater treatment based on regulatory period (2021-04-27),
13. 10850211 - Microfluidic process water analyzer (2020-12-01),
14. 10843953 - Turbidimeter sludge measurement (2020-11-24),
15. 10718710 - Water analysis device (2020-07-21),
HACH LANGE GMBH is a leading provider of analytical instruments, reagents, test kits, and digital solutions for water analysis. With over 70 years of experience, HACH LANGE offers a comprehensive range of products and services for monitoring and optimizing water quality. Their solutions cater to industries such as drinking water, wastewater, industrial water, and more. By delivering accurate and reliable measurement results, HACH LANGE helps their customers in making informed decisions to protect the environment and public health.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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47 Patents

#24 in D-1000 Berlin

#1,151 in Germany

#14,382 in the World

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Berlin, Germany

Hach Lange Gmbh

Forward Citations = 119

116 inventors:

goldMedal Michael Kussmann (15 out of 15 patents)

silverMedal Manfred Battefeld (13 out of 14 patents)

bronzeMedal Hans-Joachim Kumpch (12 out of 13 patents)

4.  Frank Steinhauer (12 out of 12 patents)

5.  Axel Leyer (12 out of 12 patents)

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