% Expired Patents = 25.0

CIPO Patents = 1

Forward Citations = 1

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6 inventors (with patents filed for the assignee):

Hermann Josef Von Wirth (2 out of 4 patents)

Frank Foerster (1 out of 1 patent)

Thomas Dolls (1 out of 2 patents)

4. Albrecht Heinrichs (1 out of 7 patents)

5. Peter Heinrichs (1 out of 6 patents)

6. Willi Schmitz (1 out of 1 patent)

7. Alfred Giessbach (1 patent)

8. Norbert Jaeger (0 patent)

4 patents: Sort by Forward Citations

1. 10294722 - Device for producing a bore in the ground, rotary drive device and rotary seal arrangement (2019-05-21),

2. 8662206 - Apparatus and method for making boreholes in the ground, the cross sections of which boreholes partially intersect (2014-03-04),

3. 8505650 - Apparatus and method for making boreholes in the ground, the cross sections of which boreholes partially intersect (2013-08-13),

4. 8186977 - Pumping system (2012-05-29),

Aker Wirth GmbH is a leading global supplier of industrial machinery and equipment for the mining and tunneling industries. With a strong emphasis on innovation and quality, Aker Wirth has built a reputation for delivering reliable and high-performance solutions for its customers. The company's comprehensive product portfolio includes drilling rigs, tunnel boring machines, and other heavy-duty equipment designed to meet the demanding requirements of underground construction projects. Backed by a team of experienced engineers and technicians, Aker Wirth is committed to providing cutting-edge solutions that drive efficiency and productivity in the mining and tunneling sectors.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

4 Patents

#7 in Erkelenz

#7,032 in Germany

Erkelenz, Germany

Aker Wirth Gmbh