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For the Inventor, By the Inventor

Schiedam, Netherlands

Itrec B.v.


USPTO Granted Patents = 231


Trademarks = 2

Forward Citations = 831

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75 inventors (with patents filed for the assignee):

goldMedal Joop Roodenburg (201 out of 218 patents)

silverMedal Diederick Bernardus Wijning (89 out of 89 patents)

bronzeMedal Terence Willem August Vehmeijer (48 out of 48 patents)

4.  Pieter Dirk Melis Van Duivendijk (24 out of 25 patents)

5.  Ronny Lambertus Waltherus Nouwens (19 out of 19 patents)

6.  Hendrikus Jacobus Weterings (13 out of 13 patents)

7.  Cornelis Martinus Van Veluw (12 out of 12 patents)

8.  Anne Klaas De Groot (10 out of 10 patents)

9.  Arnoud Laurens Feijen (8 out of 8 patents)

10.  Hendrik Hessels (7 out of 7 patents)

11.  Robert Frodo Van Kuilenburg (7 out of 7 patents)

12.  Arthur Alexander De Mul (6 out of 6 patents)

13.  Wouter Johannes Slob (6 out of 6 patents)

14.  Theodorus Cornelis Joanes Maria Stijnman (6 out of 6 patents)

15.  Eric Romeijn (6 out of 6 patents)


Core Competencies:
Offshore Wind Turbine
Marine Knuckle Boom Crane
Heave Compensated Crane
Drilling Rig
Mobile Land Rig
Subsea Wellbore Operations
Pile Installation Methods
Motion Compensating Crane
Crane Vessel
Rotor Blade Installation
Adjustable Pile Holding System
Floating Foundation Installation

231 patents:

1. 12529198 - Recirculating cylindrical rollers assembly for supporting an object on a rail, e.g. in a pile holding system (2026-01-20),
2. 12515924 - Heavy lift crane (2026-01-06),
3. 12503344 - Offshore wind turbine assembly vessel (2025-12-23),
4. 12473180 - Crane housing, crane, jack-up vessel, method (2025-11-18),
5. 12378099 - Heave compensated dual hoist crane (2025-08-05),
6. 12372189 - Tubular with screw thread (2025-07-29),
7. 12338789 - Installation of a rotor blade in horizontal orientation to the hub of a horizontal axis offshore wind turbine that is located offshore (2025-06-24),
8. 12338695 - Mobile land rig with a pivotal top drive unit (2025-06-24),
9. 12338106 - Marine knuckle boom crane (2025-06-24),
10. 12331719 - Installation of a wind turbine on a floating foundation (2025-06-17),
11. 12325610 - Feeder vessel (2025-06-10),
12. 12313035 - Offshore vessel, preferably an offshore wind turbine installation vessel, a crane for providing such a vessel, and a method for using such a crane, preferably for upending a monopile (2025-05-27),
13. 12305613 - Method and blade installation device for installing a blade of an offshore wind turbine (2025-05-20),
14. 12276253 - Assembling and installing a wind turbine (2025-04-14),
15. 12234129 - System of a crane and an exchangeable tool (2025-02-25),
ITREC B.V. is a leading technology company specializing in providing innovative IT solutions to businesses. With our robust team of skilled IT professionals and deep industry knowledge, we offer customized software development, web design, cloud computing, and cybersecurity services. We strive to deliver cutting-edge solutions that enhance operational efficiency and drive growth for our clients. Visit our website to learn more about our services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 20 2026

231 Patents

#1 in Schiedam

#34 in Netherlands

#3,610 in the World

...
Schiedam, Netherlands

Itrec B.v.

Forward Citations = 831

75 inventors:

goldMedal Joop Roodenburg (201 out of 218 patents)

silverMedal Diederick Bernardus Wijning (89 out of 89 patents)

bronzeMedal Terence Willem August Vehmeijer (48 out of 48 patents)

4.  Pieter Dirk Melis Van Duivendijk (24 out of 25 patents)

5.  Ronny Lambertus Waltherus Nouwens (19 out of 19 patents)

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