% Expired Patents = 100.0

Forward Citations = 121

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6 inventors (with patents filed for the assignee):

Gustav Berggren (3 out of 5 patents)

Thomas Holm (2 out of 3 patents)

Hans Welin (1 out of 12 patents)

4. Lars Thomas Holm (1 out of 2 patents)

5. Carl-Adam Torbjornsson (1 out of 2 patents)

6. Roland Wangelin (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 7721530 - Crankcase ventilation system (2010-05-25),

2. 7426923 - Exhaust gas recirculation system for gasoline engines (2008-09-23),

3. 7261096 - Movable sleeve exhaust gas recirculation system (2007-08-28),

4. 7252077 - Sequential control valve (2007-08-07),

5. 6886545 - Control scheme for exhaust gas circulation system (2005-05-03),

Company Overview

Haldex Hydraulics Ab is a global leader in providing hydraulic solutions for a variety of industries. With a focus on innovation and quality, Haldex offers a wide range of products including hydraulic pumps, motors, valves, and power units. Their expertise in hydraulic systems has made them a trusted partner for customers around the world.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#82 in

#113 in Sweden

SE

Haldex Hydraulics Ab

Forward Citations = 121

6 inventors:

Gustav Berggren (3 out of 5 patents)

Thomas Holm (2 out of 3 patents)

Hans Welin (1 out of 12 patents)

4. Lars Thomas Holm (1 out of 2 patents)

5. Carl-Adam Torbjornsson (1 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Haldex Hydraulics Ab. Retrieved from https://idiyas.com/company/haldex-hydraulics-ab

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]