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Anton Paar Gmbh

USPTO Granted Patents = 62

% Expired Patents = 14.5

EPO Patents = 32

Forward Citations = 230

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77 inventors (with patents filed for the assignee):

Gerhard Raffer (8 out of 9 patents)

Heimo Kotzian (7 out of 7 patents)

Rainer Zentner (6 out of 6 patents)

4. Michael Krenn (6 out of 6 patents)

5. Josef Gautsch (5 out of 5 patents)

6. Johannes Zach (5 out of 7 patents)

7. Daniel Koller (4 out of 5 patents)

8. Alberto Gomez-Casado (3 out of 3 patents)

9. Christof Umfer (3 out of 3 patents)

10. Martin Ostermeyer (3 out of 7 patents)

11. Denis Schuetz (3 out of 3 patents)

12. Harald Schmidegg (2 out of 2 patents)

13. Peter Kraxner (2 out of 2 patents)

14. Rupert Gruellenberger (2 out of 3 patents)

15. Roman Benes (2 out of 3 patents)

Core Competencies:

Rheometer

Viscometer

Density Measurement

Microwave Heating

Optical Measurement

Carbon Dioxide Measurement

Tribological Measurements

X-ray Examination

Rheological Properties

Thermal Resistance

Sample Holder Orientation

Gas Content Analysis

62 patents: Sort by Forward Citations

1. 12467841 - Method and rheometer for measuring the viscosity of a specimen (2025-11-11),

2. 12306124 - Measuring device having an electrothermal transducer for adjusting a thermal resistance, and method of operating the same (2025-05-20),

3. 12298206 - Method for filling and/or cleaning the measurement cell of a measuring instrument and measuring instrument (2025-05-13),

4. 12135268 - Method and device for determining the sticky point of powder samples (2024-11-05),

5. 12123837 - Method and apparatus for determining the content of a foreign gas in a process liquid (2024-10-22),

6. 11921022 - Method and rheometer for determining the density of an at least flowable, in particular liquid, specimen (2024-03-05),

7. 11906448 - X-ray device having multiple beam paths (2024-02-20),

8. 11821856 - X-ray examination device (2023-11-21),

9. 11747253 - Measuring drive having ultrasound-mounted shaft, measuring device, method and use (2023-09-05),

10. 11726009 - Method and device for measuring the oxygen content of the headspace gas in a container (2023-08-15),

11. 11602040 - Waveguide injecting unit (2023-03-07),

12. 11561154 - Method and device for measuring an oxygen content of a headspace gas in a beverage can (2023-01-24),

13. 11340151 - Rotational viscometer for measuring the viscosity of substances (2022-05-24),

14. 11327009 - Determination of an impairment of an optical surface for IR-spectroscopy (2022-05-10),

15. 11305285 - Cap for closing a sample container for microwave treatment and a method and sample assembly for performing microwave treatment (2022-04-19),

Anton Paar GmbH is a global leader in the development and production of high-quality measuring instruments and systems for various industries. With over 3,000 employees worldwide, the company offers innovative solutions for the characterization of substances and materials. Their extensive product portfolio includes instruments for density measurement, rheology, surface analysis, spectroscopy, and more. Anton Paar GmbH is dedicated to providing precise and reliable measurement technologies to support research, quality control, and production processes across numerous sectors.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Anton Paar Gmbh

62 Patents

#5 in Graz

#64 in Austria

#11,755 in the World

Anton Paar Gmbh

Forward Citations = 230

77 inventors:

Gerhard Raffer (8 out of 9 patents)

Heimo Kotzian (7 out of 7 patents)

Rainer Zentner (6 out of 6 patents)

4. Michael Krenn (6 out of 6 patents)

5. Josef Gautsch (5 out of 5 patents)

Please report any incorrect information to [email protected]

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