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For the Inventor, By the Inventor

Pettenbach, Austria

Fronius International Gmbh


USPTO Granted Patents = 247


Trademarks = 46

Forward Citations = 2,341

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350 inventors (with patents filed for the assignee):

goldMedal Josef Artelsmair (24 out of 25 patents)

silverMedal Bernhard Artelsmair (13 out of 13 patents)

bronzeMedal Walter Stieglbauer (13 out of 13 patents)

4.  Friedrich Oberzaucher (12 out of 15 patents)

5.  Wolfgang Grossauer (9 out of 9 patents)

6.  Manfred Hubinger (9 out of 9 patents)

7.  Helmut Ennsbrunner (8 out of 8 patents)

8.  Joachim Danmayr (8 out of 8 patents)

9.  Andreas Leonhartsberger (8 out of 8 patents)

10.  Christian Fasthuber (8 out of 8 patents)

11.  Klaus Oberndorfer (8 out of 8 patents)

12.  Harald Josef Kreuzer (8 out of 8 patents)

13.  Andreas Waldhoer (7 out of 7 patents)

14.  Manfred Bruckner (7 out of 7 patents)

15.  Herbert Staufer (7 out of 7 patents)


Core Competencies:
Photovoltaic System
Inverter Technology
Welding Processes
Energy Supply Systems
Arc Detection
Multiple Welding Methods
Automated Welding
Electrical Components
Solar Power Plant Control
Welding Device Design
Quality Assessment in Welding
Electric Vehicle Charging

247 patents:

1. D1107767 - Accessory for a welding machine (2025-12-30),
2. D1104681 - Handle for a welding torch (2025-12-09),
3. 12463555 - Method for enhancing the operation of an inverter with a derated output filter capacitor (2025-11-04),
4. 12463460 - Photovoltaic system (2025-11-04),
5. 12459047 - Multiple pulse welding process (2025-11-04),
6. 12438378 - Controlling a solar power plant (2025-10-07),
7. 12422491 - Method and system for analyzing an electrical stored energy source and energy supply system (2025-09-23),
8. 12358065 - Method and welding device for carrying out a multiple welding method (2025-07-15),
9. 12318875 - Method for determining an estimated value of an arc voltage (2025-06-03),
10. 12289854 - Electronic assembly comprising at least one circuit board and external electronic components, and inverter comprising such an electronic assembly (2025-04-29),
11. 12266459 - Choke, and method for manufacturing such a choke (2025-04-01),
12. 12265113 - Monitoring device for emergency standby operation (2025-04-01),
13. 12249929 - Method for operating an inverter assembly and inverter assembly for carrying out the method (2025-03-11),
14. 12231059 - Method for controlling a multilevel inverter with a split DC link (2025-02-18),
15. 12220766 - Method for producing metal structures (2025-02-11),
Fronius International GmbH is an Austrian company that specializes in developing innovative solutions for solar energy, battery charging systems, and welding technology. With a rich history spanning over 75 years, Fronius is recognized as a global leader in its industry. The company's comprehensive portfolio includes highly efficient inverter systems for solar power generation, intelligent battery charging technology for various applications, and advanced welding equipment. Fronius aims to make a significant contribution to shaping the future of energy through its sustainable and user-friendly products.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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247 Patents

#1 in Pettenbach

#12 in Austria

#3,396 in the World

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Pettenbach, Austria

Fronius International Gmbh

Forward Citations = 2,341

350 inventors:

goldMedal Josef Artelsmair (24 out of 25 patents)

silverMedal Bernhard Artelsmair (13 out of 13 patents)

bronzeMedal Walter Stieglbauer (13 out of 13 patents)

4.  Friedrich Oberzaucher (12 out of 15 patents)

5.  Wolfgang Grossauer (9 out of 9 patents)

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