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Kalanti, Finland

Vahterus Oy

USPTO Granted Patents = 24

% Expired Patents = 8.3

EPO Patents = 18

Trademarks = 3

Forward Citations = 81

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16 inventors (with patents filed for the assignee):

Mauri Kontu (12 out of 14 patents)

Jyrki Sonninen (4 out of 4 patents)

Reima Viinikkala (4 out of 4 patents)

4. Paavo Pitkänen (3 out of 3 patents)

5. Valtteri Haavisto (3 out of 3 patents)

6. Juha Suominen (2 out of 2 patents)

7. Timo Henriksson (1 out of 1 patent)

8. Ville Kesälä (1 out of 1 patent)

9. Piia Gustafsson (1 out of 1 patent)

10. Tapio Heiniö (1 out of 1 patent)

11. Markku Lampinen (1 out of 2 patents)

12. Kari Tauren (1 out of 1 patent)

13. Jouko Laine (1 out of 3 patents)

14. Timo Mauno Pirila (1 out of 1 patent)

15. Jean-Pierre Boone (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 12674625 - Plate heat exhanger arrangement, use of it in exhaust gas heat recovery and method for recovering heat from exhaust gas (2026-07-07),

2. 12259197 - Plate heat exchanger and its use as liquefied natural gas vaporizer (2025-03-25),

3. 12241695 - Device for use in refrigeration or heat pump system, and refrigeration or heat pump system (2025-03-04),

4. 12235050 - Plate heat exchanger arrangement (2025-02-25),

5. 12030272 - Piston-cylinder assembly of a hydraulic press (2024-07-09),

6. 11867468 - Plate heat exchanger arrangement (2024-01-09),

7. 11828500 - Evaporator with improved droplet separation (2023-11-28),

8. 11788780 - Modular arrangement for use in a vapor-compression refrigeration system (2023-10-17),

9. 11253897 - Method and device for manufacturing plate parts for a heat exchanger (2022-02-22),

10. 11236932 - Evaporator and a method for vaporizing a substance in an evaporator (2022-02-01),

11. 10286502 - Method and arrangement for repairing a plate pack of a heat exchanger (2019-05-14),

12. 10197346 - Method for cleaning plate heat exchanger and plate heat exchanger (2019-02-05),

13. 10066874 - Plate heat exchanger and method for constructing multiple passes in the plate heat exchanger (2018-09-04),

14. 9989319 - Plate heat exchanger (2018-06-05),

15. 9849404 - Apparatus for vapourising a medium and separating droplets as well as for condensing the medium (2017-12-26),

Vahterus Oy, based in Kalanti, Finland, specializes in the development and manufacturing of innovative heat exchangers and pressure vessels. The company focuses on advanced technologies that enhance energy efficiency and sustainability across various industries, including oil and gas, chemical processing, and marine applications. Vahterus is recognized for its expertise in welded plate heat exchanger technology, which offers significant advantages in terms of performance and compact design, catering to the evolving needs of global markets.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

24 Patents

#1 in Kalanti

#145 in Finland

#26,628 in the World

Kalanti, Finland

Vahterus Oy

Forward Citations = 81

16 inventors:

Mauri Kontu (12 out of 14 patents)

Jyrki Sonninen (4 out of 4 patents)

Reima Viinikkala (4 out of 4 patents)

4. Paavo Pitkänen (3 out of 3 patents)

5. Valtteri Haavisto (3 out of 3 patents)

Please report any incorrect information to [email protected]

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