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For the Inventor, By the Inventor

Göttingen, Germany

Sartorius


USPTO Granted Patents = 84

% Expired Patents = 1.2

Trademarks = 6

Forward Citations = 1,070

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60 inventors (with patents filed for the assignee):

goldMedal Erich Knothe (41 out of 46 patents)

silverMedal Franz-Josef Melcher (37 out of 42 patents)

bronzeMedal Christian Oldendorf (17 out of 44 patents)

4.  Gunther Maaz (13 out of 15 patents)

5.  Christoph Berg (12 out of 27 patents)

6.  Eberhard Stadler (9 out of 13 patents)

7.  Dieter Blawert (8 out of 8 patents)

8.  Jurgen Ober (8 out of 8 patents)

9.  Walter Sodler (7 out of 7 patents)

10.  Horst Perl (7 out of 8 patents)

11.  Gunter Pradel (7 out of 7 patents)

12.  Dietmar Nussbaumer (6 out of 25 patents)

13.  Jurgen Hoffmann (5 out of 6 patents)

14.  Eduard Bierich (5 out of 5 patents)

15.  Klaus Dardat (4 out of 6 patents)


Core Competencies:
Electronic Balance
Fluid Filtration
Precision Weighing
Calibration Systems
Membrane Filters
Weighing Machines
High-Resolution Balances
Electromagnetic Compensation
Data Storage Methods
Drying Balances
Analytical Balances
Gas Filtration

84 patents:

1. 7623980 - Measuring device with evaluation unit and external memory (2009-11-24),
2. 4997051 - Compact balance (1991-03-05),
3. 4969997 - Fluid-impermeable areas on porous membrane filters and their application (1990-11-13),
4. 4938301 - Electronic balance with scale on top (1990-07-03),
5. 4932487 - Electronic balance with calibrating weight circuit (1990-06-12),
6. 4930588 - Electronic balance (1990-06-05),
7. 4911842 - Wound filter module (1990-03-27),
8. 4909937 - Integral filters for separating fluid components and housing for them (1990-03-20),
9. 4907179 - Electronic balance with quasi analog and digital display (1990-03-06),
10. 4900441 - Small filter and method of its manufacture (1990-02-13),
11. 4898253 - Electronic balance for dosing (1990-02-06),
12. 4890246 - Electronic balance with calibrating system (1989-12-26),
13. 4889201 - Drying balance with evaluation circuit for determining the end of the (1989-12-26),
14. 4884645 - Precision balance with scale on top (1989-12-05),
15. 4863603 - Filter unit for separating precipitates containing cholesterol (1989-09-05),
Company Overview
Sartorius is a leading global provider of laboratory and process technology, headquartered in Göttingen, Germany. The company specializes in the development and manufacturing of electronic balances and precision weighing instruments, catering to various industries including pharmaceuticals and biotechnology. Their core technology topics encompass fluid filtration, calibration systems, and high-resolution balances, ensuring accuracy and reliability in measurement and analysis. Sartorius is committed to advancing scientific research and industrial processes through innovative solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Sartorius USPTO Patent Assignee Logo
84 Patents

#4 in Göttingen

#688 in Germany

#9,067 in the World

Göttingen, DE
Göttingen, Germany

Sartorius

Forward Citations = 1,070

60 inventors:

goldMedal Erich Knothe (41 out of 46 patents)

silverMedal Franz-Josef Melcher (37 out of 42 patents)

bronzeMedal Christian Oldendorf (17 out of 44 patents)

4.  Gunther Maaz (13 out of 15 patents)

5.  Christoph Berg (12 out of 27 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sartorius. Retrieved from https://idiyas.com/company/sartorius

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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