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Papendrecht, Netherlands

Ihc Holland N.v.

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USPTO Granted Patents = 48

% Expired Patents = 2.1

Trademarks = 1

Forward Citations = 240

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35 inventors (with patents filed for the assignee):

Pieter Verboom (7 out of 7 patents)

Teunis Visser (5 out of 7 patents)

Rudolf H Loevendie (4 out of 4 patents)

4. Cornelis De Keizer (3 out of 5 patents)

5. Dik Arentsen (3 out of 4 patents)

6. Johannes Van Den Elshout (3 out of 3 patents)

7. Christiaan A Cornelis (3 out of 3 patents)

8. Arie De Jager (2 out of 4 patents)

9. Johannes Petrus Andreas Josephus Van Der Zanden (2 out of 4 patents)

10. Pieter Van Prooijen (2 out of 2 patents)

11. Nicolaas J Van Drimmelen (2 out of 2 patents)

12. Hendrik Langejan (2 out of 2 patents)

13. Cornelis Van Der Zouwen (1 out of 1 patent)

14. Jacob Brand (1 out of 1 patent)

15. Willem Groen (1 out of 1 patent)

Core Competencies:

Suction Dredger

Hydraulic Pile Driver

Centrifugal Pump

Fluid Flow Measurement

Dredging Apparatus

Floating Vessel

Drag Head

Suction Hopper

Control System

Sealed Bearing

Bucket Dredger

Endless Belt Dredger

48 patents: Sort by Forward Citations

1. 7036759 - Autogenous rotor (2006-05-02),

2. 6974096 - Mill with streamlined space (2005-12-13),

3. 6108947 - Bucket dredger (2000-08-29),

4. 5860605 - Method and device for synchronously making material collide (1999-01-19),

5. 5327794 - Device for driving a tool positioned on a pivotable part (1994-07-12),

6. 5257593 - Floating construction assembled from several parts (1993-11-02),

7. 4964473 - Method for driving a hydraulic submerged tool (1990-10-23),

8. 4750748 - Shaft seal with flexible midportion and garter spring (1988-06-14),

9. 4737072 - Centrifugal pump (1988-04-12),

10. 4701077 - Apparatus for withdrawing a tube or pile which has been driven into the (1987-10-20),

11. 4646450 - Handling device for suction head equipment (1987-03-03),

12. 4644888 - Floating hopper barge with discharging trap doors in the bottom (1987-02-24),

13. 4601349 - Hydraulic pile driver (1986-07-22),

14. 4597200 - Detachable coupling for a suction head (1986-07-01),

15. 4559813 - System and device for detecting the forming of depot (1985-12-24),

Company Overview

Ihc Holland N.V., headquartered in Papendrecht, Netherlands, specializes in the development and manufacturing of advanced maritime equipment and systems. The company focuses on core technologies such as suction dredgers, hydraulic pile drivers, and centrifugal pumps, catering to the needs of the dredging and marine construction industries. With a commitment to innovation, IHC Holland also designs floating hopper barges and drag heads, enhancing operational efficiency in challenging aquatic environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

48 Patents

#1 in Papendrecht

#176 in Netherlands

#14,575 in the World

Papendrecht, Netherlands

Ihc Holland N.v.

Forward Citations = 240

35 inventors:

Pieter Verboom (7 out of 7 patents)

Teunis Visser (5 out of 7 patents)

Rudolf H Loevendie (4 out of 4 patents)

4. Cornelis De Keizer (3 out of 5 patents)

5. Dik Arentsen (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ihc Holland N.v.. Retrieved from https://idiyas.com/company/ihc-holland-n-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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