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Schiedam, Netherlands

Itrec B.v.

USPTO Granted Patents = 236

% Expired Patents = 19.1

EPO Patents = 223

Trademarks = 2

Forward Citations = 849

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79 inventors (with patents filed for the assignee):

Joop Roodenburg (203 out of 220 patents)

Diederick Bernardus Wijning (91 out of 91 patents)

Terence Willem August Vehmeijer (49 out of 49 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. Eric Romeijn (7 out of 7 patents)

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

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

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

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

Core Competencies:

Offshore Installation

Wind Turbine Assembly

Crane Systems

Pile Installation

Marine Vessels

Drilling Rigs

Subsea Operations

Heavy Lift Cranes

Motion Compensation

Wellbore Drilling

Adjustable Pile Holding

Marine Pipelay

236 patents: Sort by Forward Citations

1. 12687154 - Offshore wind turbine assembly vessel (2026-07-21),

2. 12674293 - Heave tolerant pile guiding device for guiding a pile during installation thereof (2026-07-07),

3. 12637334 - Marine crane and offshore vessel (2026-05-26),

4. 12612754 - Pile installation (2026-04-28),

5. 12595635 - Offshore pile installation method and system (2026-04-07),

6. 12529198 - Recirculating cylindrical rollers assembly for supporting an object on a rail, e.g. in a pile holding system (2026-01-20),

7. 12515924 - Heavy lift crane (2026-01-06),

8. 12503344 - Offshore wind turbine assembly vessel (2025-12-23),

9. 12473180 - Crane housing, crane, jack-up vessel, method (2025-11-18),

10. 12378099 - Heave compensated dual hoist crane (2025-08-05),

11. 12372189 - Tubular with screw thread (2025-07-29),

12. 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),

13. 12338695 - Mobile land rig with a pivotal top drive unit (2025-06-24),

14. 12338106 - Marine knuckle boom crane (2025-06-24),

15. 12331719 - Installation of a wind turbine on a floating foundation (2025-06-17),

Company Overview

Itrec B.V., based in Schiedam, Netherlands, specializes in offshore installation technology, focusing on the assembly and installation of wind turbines and related marine operations. The company is recognized for its expertise in crane systems, heavy lift cranes, and subsea operations, providing innovative solutions for the offshore energy sector. Itrec's capabilities extend to the design and deployment of marine vessels and drilling rigs, positioning the company as a key player in advancing offshore infrastructure development.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

236 Patents

#1 in Schiedam

#32 in Netherlands

#3,643 in the World

Schiedam, Netherlands

Itrec B.v.

Forward Citations = 849

79 inventors:

Joop Roodenburg (203 out of 220 patents)

Diederick Bernardus Wijning (91 out of 91 patents)

Terence Willem August Vehmeijer (49 out of 49 patents)

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

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

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Itrec B.v.. Retrieved from https://idiyas.com/company/itrec-b-v

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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