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For the Inventor, By the Inventor

Nesselwang, Germany

Endress + Hauser Wetzer Gmbh + Co. Kg


USPTO Granted Patents = 87



Trademarks = 18

Forward Citations = 138

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79 inventors (with patents filed for the assignee):

goldMedal Alfred Umkehrer (17 out of 20 patents)

silverMedal Marc Schalles (13 out of 13 patents)

bronzeMedal Pavo Vrdoljak (12 out of 12 patents)

4.  Peter Seefeld (8 out of 10 patents)

5.  Torsten Iselt (7 out of 8 patents)

6.  Dieter Schmidt (7 out of 8 patents)

7.  Robert Zeller (7 out of 7 patents)

8.  Michael Korn (6 out of 7 patents)

9.  Georg Wolf (6 out of 6 patents)

10.  Christian Peuker (6 out of 6 patents)

11.  Daniel Koch (5 out of 5 patents)

12.  Helmut Kalteis (5 out of 8 patents)

13.  Stephan Wiedemann (5 out of 5 patents)

14.  Harald Bründl (5 out of 5 patents)

15.  Dirk Boguhn (4 out of 8 patents)


Core Competencies:
Noninvasive Thermometer
Temperature Probe
Thermal Flowmeter
Field Device
Temperature Sensor
Calibration Method
Diagnostic Function
Process Variable Monitoring
Multipoint Sensor
Communication Adapter
Protective Tube
Control Electronics

87 patents:

1. 12480825 - Thermometer having a diagnostic function (2025-11-25),
2. 12431940 - Interface for energy and data transmission (2025-09-30),
3. 12352636 - Temperature probe and method for manufacturing a temperature probe (2025-07-08),
4. 12253419 - Thermometer (2025-03-18),
5. 12203816 - Noninvasive thermometer (2025-01-21),
6. 12152942 - Noninvasive thermometer (2024-11-26),
7. 12092502 - Non-invasive thermometer (2024-09-17),
8. 12085436 - Field device with process-specific condition monitoring capability (2024-09-10),
9. 12072248 - Thermometer having a diagnostic function (2024-08-27),
10. 11976766 - Protective tube for insertion into a pipe or vessel with reduced sensitivity to vortex induced vibrations (2024-05-07),
11. 11913976 - Field device having a safe interface (2024-02-27),
12. 11913840 - Measuring insert having a protective tube (2024-02-27),
13. 11885657 - Measuring device (2024-01-30),
14. 11841277 - Skin-point temperature measurement assembly (2023-12-12),
15. 11774953 - Method for checking the setting of predefined security functions of a field device in process and automation engineering (2023-10-03),
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USPTO Data Jan 1 1976 - Dec 9 2025

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87 Patents

#1 in Nesselwang

#691 in Germany

#8,491 in the World

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Nesselwang, Germany

Endress + Hauser Wetzer Gmbh + Co. Kg

Forward Citations = 138

79 inventors:

goldMedal Alfred Umkehrer (17 out of 20 patents)

silverMedal Marc Schalles (13 out of 13 patents)

bronzeMedal Pavo Vrdoljak (12 out of 12 patents)

4.  Peter Seefeld (8 out of 10 patents)

5.  Torsten Iselt (7 out of 8 patents)

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