CIPO Patents = 1

EPO Patents = 18

Forward Citations = 31

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3 inventors (with patents filed for the assignee):

Per Eske Fenger (21 out of 27 patents)

Alexander Becsei Christiansen (1 out of 1 patent)

Simon Hedegaard (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 12607168 - Method of performing service work on a horizontal axis wind turbine (2026-04-21),

2. 12545555 - Extension yoke for self-hoisting crane, a self-hoisting wind turbine crane with an extension yoke, and use of an extension yoke (2026-02-10),

3. 12503343 - Self-hoisting crane and method of mounting and operating such crane (2025-12-23),

4. 12473179 - Base for supporting a portable crane and a method for removing a main bearing of a wind turbine (2025-11-18),

5. 12434946 - Rotor blade hoisting system and method of installation and/or deinstallation of a rotor blade (2025-10-07),

6. 12428268 - Counterweight tool (2025-09-30),

7. 12215000 - Method and yoke for lifting a wind turbine component (2025-02-04),

8. 12116249 - Self-hoisting crane system and method of hoisting a self-hoisting crane (2024-10-15),

9. 12116248 - Crane system for hoisting of wind turbine components (2024-10-15),

10. 12104578 - Main shaft fixture (2024-10-01),

11. 12092073 - Wind turbine tower with crane connection elements and a crane with tower flange connection elements (2024-09-17),

12. 11994102 - Rotor blade clamping tool (2024-05-28),

13. 11932520 - Method of mounting a self-hoisting crane on a wind turbine and self-hoisting crane (2024-03-19),

14. 11732695 - Rotor blade clamping tool (2023-08-22),

15. 11092139 - Rotor blade replacement system (2021-08-17),

Company Overview

Liftra IP Aps is a Danish company based in Aalborg, specializing in innovative lifting solutions and equipment. The organization focuses on developing advanced technologies for the wind energy sector, particularly in the installation and maintenance of wind turbines. Liftra's expertise encompasses engineering, design, and manufacturing, aiming to enhance efficiency and safety in lifting operations. With a commitment to sustainability, the company plays a significant role in supporting the renewable energy industry through its tailored solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

22 Patents

#3 in Aalborg

#137 in Denmark

#28,782 in the World

Aalborg, Denmark

Liftra IP Aps

Forward Citations = 31

3 inventors:

Per Eske Fenger (21 out of 27 patents)

Alexander Becsei Christiansen (1 out of 1 patent)

Simon Hedegaard (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Liftra IP Aps. Retrieved from https://idiyas.com/company/liftra-ip-aps

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]

1 patent (CIPO):

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]

18 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]