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For the Inventor, By the Inventor

Vantaa, Finland

Maricap Oy


USPTO Granted Patents = 42

% Expired Patents = 11.9



Trademarks = 1

Forward Citations = 117

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7 inventors (with patents filed for the assignee):

goldMedal Göran Sundholm (37 out of 73 patents)

silverMedal Goran Sundholm (3 out of 58 patents)

bronzeMedal Harry Metzger (1 out of 10 patents)

4.  Kari Kyyny (1 out of 4 patents)

5.  Timo Joutsenoja (1 out of 5 patents)

6.  Hannu Karhuketo (6 patents)

7.  Oskari Koistinen (1 patent)

8.  Jari Ekblad (0 patent)

9.  Goeran Sundholm (0 patent)

10.  Juha LINDSTRÖM (0 patent)


Core Competencies:
Pneumatic Material Conveying
Waste Handling Systems
Material Processing
Pipe Joint Formation
Ejector Apparatus
Waste Container Arrangement
Material Feeding Apparatus
Separating Devices
Rotary Shaper Device
Outlet Air Treatment
Electric Field Sensing
Slide Valve Technology

42 patents:

1. 12686571 - Method and apparatus for handling material in a pneumatic material conveying system (2026-07-21),
2. 12398821 - Valve and method for cleaning a valve (2025-08-26),
3. 12378085 - Method for conveying material and material conveying arrangement (2025-08-05),
4. 11939174 - Method for conveying material in a pneumatic material conveying system, and pneumatic material conveying system (2024-03-26),
5. 11577912 - Method and apparatus for feeding and conveying material (2023-02-14),
6. 11498756 - Method for handling material in a material conveying system, a separating device arrangement and a material conveying system (2022-11-15),
7. 11352206 - Apparatus for processing material, and waste container/separating device (2022-06-07),
8. 11180315 - Method in a feed-in station and input point arrangement (2021-11-23),
9. 10773886 - Method and apparatus for feeding in and handling waste material (2020-09-15),
10. 10689192 - Method, apparatus and system for handling waste material (2020-06-23),
11. 10625936 - Method and apparatus in a pneumatic pipe transport system for material, and a conveying system for wastes (2020-04-21),
12. 10442620 - Apparatus for processing material, and waste container/separating device (2019-10-15),
13. 10435239 - Apparatus for handling material, and waste container/separating device (2019-10-08),
14. 10399799 - Method and apparatus for feeding in and handling waste material (2019-09-03),
15. 10234063 - Method for forming a pipe joint, pipe joint and flange part arrangement (2019-03-19),
MARICAP OY is a Finnish company specializing in providing innovative and sustainable solutions for the maritime industry. With years of experience and a dedicated team, MARICAP offers a wide range of services including ship design, marine engineering, and consultancy. Their goal is to help clients enhance their operations while minimizing environmental impact. Visit their website to learn more about their services and expertise.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 22 2026

42 Patents

#5 in Vantaa

#91 in Finland

#16,315 in the World

Vantaa, FI
Vantaa, Finland

Maricap Oy

Forward Citations = 117

7 inventors:

goldMedal Göran Sundholm (37 out of 73 patents)

silverMedal Goran Sundholm (3 out of 58 patents)

bronzeMedal Harry Metzger (1 out of 10 patents)

4.  Kari Kyyny (1 out of 4 patents)

5.  Timo Joutsenoja (1 out of 5 patents)

Please report any incorrect information to [email protected]
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