% Expired Patents = 50.0

EPO Patents = 12

Forward Citations = 33

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5 inventors (with patents filed for the assignee):

Lambertus Hendrik De Gooijer (8 out of 9 patents)

Sander Wagenaar (5 out of 5 patents)

Willem-Constant Wagenvoort (5 out of 5 patents)

4. Matthieu Pogam (1 out of 1 patent)

5. Julien Berger (1 out of 2 patents)

6. Vincent Bonnet (0 patent)

7. Lambertus Hendrick De Gooijer (0 patent)

8. Matthieu Fuin (0 patent)

8 patents: Sort by Forward Citations

1. 10605178 - Four-stroke internal combustion engine including variable compression ratio and a vehicle (2020-03-31),

2. 10557409 - Heat engine comprising a system for varying the compression ratio (2020-02-11),

3. 10234006 - Reciprocating piston mechanism (2019-03-19),

4. 10233966 - Method of assembling and an assembly of a crankshaft and a crank member (2019-03-19),

5. 10145299 - Internal combustion engine including variable compression ratio (2018-12-04),

6. 10100726 - Four-stroke internal combustion engine with variable compression ratio (2018-10-16),

7. 9279363 - Reciprocating piston mechanism (2016-03-08),

8. 6349684 - Crank-connecting rod mechanism (2002-02-26),

Company Overview

Gomecsys B.v. is a leading company in the field of advanced powertrain technologies. They specialize in developing innovative solutions for energy efficiency and performance improvement in various industries. With a strong focus on research and development, Gomecsys B.v. is dedicated to providing cutting-edge solutions to their clients to meet their specific needs and requirements.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#6 in Naarden

#750 in Netherlands

Naarden, Netherlands

Gomecsys B.v.

Forward Citations = 33

5 inventors:

Lambertus Hendrik De Gooijer (8 out of 9 patents)

Sander Wagenaar (5 out of 5 patents)

Willem-Constant Wagenvoort (5 out of 5 patents)

4. Matthieu Pogam (1 out of 1 patent)

5. Julien Berger (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gomecsys B.v.. Retrieved from https://idiyas.com/company/gomecsys-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]

12 patents (EPO):

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]