% Expired Patents = 12.5

EPO Patents = 14

Trademarks = 3

Forward Citations = 45

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9 inventors (with patents filed for the assignee):

Tapani Makimaa (3 out of 3 patents)

Juho Huotari (2 out of 4 patents)

Tuomas Terho (1 out of 1 patent)

4. Petteri Jokinen (1 out of 6 patents)

5. Rauno Turunen (1 out of 1 patent)

6. Ilkka Alhonsalo (1 out of 1 patent)

7. Petri Korhonen (1 out of 2 patents)

8. Toivo T Makimaa (1 out of 1 patent)

9. Omkar More (1 out of 1 patent)

10. Jonne Valola (1 patent)

11. Mikko Veikkolainen (2 patents)

12. Hannu Toivonen (1 patent)

13. Jani Tanskanen (1 patent)

14. Paavo Sivula (0 patent)

15. Tommi Neuvonen (0 patent)

8 patents: Sort by Forward Citations

1. D964442 - Welding machine (2022-09-20),

2. 10962395 - Method and apparatus for measuring the flow rate of a shielding gas mixture (2021-03-30),

3. D853459 - Welding machine (2019-07-09),

4. 9308605 - Battery-operated welding and/or cutting device and a cooling profile (2016-04-12),

5. 5229930 - Welding inverter and method for controlling a welding inverter (1993-07-20),

6. 4533817 - Method for measuring the free wire length in MIG/MAG welding (1985-08-06),

7. 4442479 - Inverter with saturable reactor protection circuit (1984-04-10),

8. 4349720 - Coupling arrangement for a welding apparatus (1982-09-14),

Company Overview

Kemppi is a global leader in welding solutions, with a focus on high-quality products and innovative technology. Their products include welding machines, software, and accessories for welding professionals in various industries. With over 70 years of experience, Kemppi continues to drive innovation in the welding industry, offering reliable solutions for their customers worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

8 Patents

#3 in Lahti

#360 in Finland

Lahti, Finland

Kemppi Oy

Forward Citations = 45

9 inventors:

Tapani Makimaa (3 out of 3 patents)

Juho Huotari (2 out of 4 patents)

Tuomas Terho (1 out of 1 patent)

4. Petteri Jokinen (1 out of 6 patents)

5. Rauno Turunen (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kemppi Oy. Retrieved from https://idiyas.com/company/kemppi-oy

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]

14 patents (EPO):

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]