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For the Inventor, By the Inventor

Pettenbach, Austria

Fronius International Gmbh


USPTO Granted Patents = 263

% Expired Patents = 18.3


Trademarks = 36

Forward Citations = 2,416

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360 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 (10 out of 10 patents)

6.  Harald Josef Kreuzer (10 out of 10 patents)

7.  Klaus Oberndorfer (9 out of 9 patents)

8.  Manfred Hubinger (9 out of 9 patents)

9.  Helmut Ennsbrunner (8 out of 8 patents)

10.  Joachim Danmayr (8 out of 8 patents)

11.  Andreas Leonhartsberger (8 out of 8 patents)

12.  Christian Fasthuber (8 out of 8 patents)

13.  Dominik Söllinger (7 out of 7 patents)

14.  Peter Lattner (7 out of 7 patents)

15.  Andreas Waldhoer (7 out of 7 patents)


Core Competencies:
Welding Process
Inverter Control
Photovoltaic System
Energy Management
Arc Detection
Welding Torch
DC-DC Converter
Metal Structures
Automated Welding
Electrical Network
Cooling System
Quality Assessment

263 patents:

1. 12734600 - Method for limiting the welding power of a welding device (2026-09-15),
2. D1142555 - ACCESSORY FOR A WELDING MACHINE (2026-08-18),
3. D1142158 - RECHARGEABLE BATTERY (2026-08-18),
4. D1135928 - Portion of a display screen with graphical user interface (2026-07-21),
5. D1134428 - Portion of a display screen with graphical user interface (2026-07-14),
6. D1134427 - Portion of a display screen with graphical user interface (2026-07-14),
7. 12684745 - Cooling device having a fan and housing having a cooling device of this type (2026-07-14),
8. D1129372 - Charger (2026-06-09),
9. 12643169 - Welding assembly comprising a welding device and a welding component connected to the welding device (2026-06-02),
10. 12567814 - Method and device for calibrating a time base signal in a photovoltaic inverter (2026-03-03),
11. 12567809 - DC-to-DC converter for a welding device and method for operating a DC-to-DC converter of a welding device (2026-03-03),
12. 12567749 - Method for controlling electrical network variables in a feed network (2026-03-03),
13. 12549012 - Energy management system (2026-02-10),
14. 12544849 - Method for controlling a welding process (2026-02-10),
15. 12542452 - Energy management system (2026-02-03),
Fronius International GmbH, headquartered in Pettenbach, Austria, specializes in advanced welding technology and energy solutions. The company is recognized for its innovative approaches in welding processes, inverter control, and arc detection, contributing to enhanced efficiency and precision in metal fabrication. Additionally, Fronius is a key player in photovoltaic systems and energy management, focusing on sustainable energy solutions that integrate seamlessly with modern industrial applications. Their expertise extends to the development of welding torches and DC-DC converters, reinforcing their commitment to quality and innovation in the welding sector.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Fronius International Gmbh
263 Patents

#1 in Pettenbach

#10 in Austria

#3,326 in the World

Pettenbach, AT
Pettenbach, Austria

Fronius International Gmbh

Forward Citations = 2,416

360 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 (10 out of 10 patents)

Please report any incorrect information to [email protected]
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