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For the Inventor, By the Inventor

Vantaa, Finland

Marioff Corporation Oy

Calculating rank
USPTO Granted Patents = 57

% Expired Patents = 33.3



Trademarks = 2

Forward Citations = 252

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39 inventors (with patents filed for the assignee):

goldMedal Göran Sundholm (16 out of 73 patents)

silverMedal Nazar Krutskevych (13 out of 16 patents)

bronzeMedal Harry Metzger (9 out of 10 patents)

4.  Arto Huotari (6 out of 9 patents)

5.  Goran Sundholm (5 out of 58 patents)

6.  Wojciech Zimny (5 out of 5 patents)

7.  Göran Sundholm (4 out of 13 patents)

8.  Jarmo Helasuo (3 out of 6 patents)

9.  Maarit Tuomisaari (3 out of 3 patents)

10.  Michael Kenneth Krager (2 out of 2 patents)

11.  Timo Mahlanen (2 out of 8 patents)

12.  Piotr Wolnowski (2 out of 7 patents)

13.  Mikolaj Jakub Sadek (2 out of 2 patents)

14.  Enrico Manes (1 out of 43 patents)

15.  Juha-Pekka Nikkarila (1 out of 1 patent)


Core Competencies:
Fire Suppression
Sprinkler Device
Water Mist Nozzle
Fire Sprinkler System
Remote Release
RFID Circuit
Self-Diagnosis
Pop-Out Sprinkler
Valve Assembly
Spraying Apparatus
Fire Fighting Installation
Crack Detection

57 patents:

1. 12667743 - Fire suppression bulb device (2026-06-30),
2. 12599794 - Upright sprinkler and a sprinkler system (2026-04-14),
3. 12485304 - Fire suppression sprinkler device (2025-12-02),
4. 12268911 - Sprinkler bulb (2025-04-08),
5. 12251588 - Fire system (2025-03-18),
6. 12246204 - Sprinkler and sprinkler system including same (2025-03-11),
7. 12128433 - Pop-out sprinkler with vacuum actuated push-back (2024-10-29),
8. 12115401 - Fire sprinkler with remote release function (2024-10-15),
9. 12036431 - Crack detection function for a fire sprinkler with frangible bulb (2024-07-16),
10. 11890495 - Sprinkler bulb (2024-02-06),
11. 11745210 - Pop-out sprinkler with vacuum actuated push-back (2023-09-05),
12. 11738223 - Fire suppression system (2023-08-29),
13. 11730991 - Sprinkler self-diagnosis (2023-08-22),
14. 11364400 - Sprinkler head with a bulb having an embedded RFID circuit (2022-06-21),
15. 11241600 - Suppression unit, nozzle for suppression unit, and method (2022-02-08),
Company Overview
Marioff Corporation Oy, based in Vantaa, Finland, specializes in advanced fire suppression systems, particularly utilizing water mist technology. The company focuses on developing innovative solutions such as sprinkler devices, water mist nozzles, and fire sprinkler systems designed to enhance safety in various environments. Their technologies also incorporate features like remote release mechanisms, RFID circuits, and self-diagnosis capabilities, ensuring efficient and reliable fire protection tailored to meet diverse industry needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Marioff Corporation Oy USPTO Patent Assignee Logo
57 Patents

#4 in Vantaa

#68 in Finland

#12,581 in the World

Vantaa, FI
Vantaa, Finland

Marioff Corporation Oy

Forward Citations = 252

39 inventors:

goldMedal Göran Sundholm (16 out of 73 patents)

silverMedal Nazar Krutskevych (13 out of 16 patents)

bronzeMedal Harry Metzger (9 out of 10 patents)

4.  Arto Huotari (6 out of 9 patents)

5.  Goran Sundholm (5 out of 58 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Marioff Corporation Oy. Retrieved from https://idiyas.com/company/marioff-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]
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