Trademarks = 5

Forward Citations = 29

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6 inventors (with patents filed for the assignee):

Siegmund Hflm Babendererde (6 out of 18 patents)

Hans Jutte (5 out of 15 patents)

Reinhard E Bokemeyer (5 out of 5 patents)

4. Adolf Foik (3 out of 6 patents)

5. Dieter Stuckmann (2 out of 16 patents)

6. Gunnar Lah (1 out of 3 patents)

6 patents: Sort by Forward Citations

1. 4621947 - Method of and apparatus for the lining of a tunnel with concrete (1986-11-11),

2. 4068485 - Apparatus for driving tunnels or the like (1978-01-17),

3. 4048806 - Apparatus for, and a method of, driving tunnels (1977-09-20),

4. 4043137 - Apparatus for and a method of constructing a tunnel (1977-08-23),

5. 4022029 - Useful improvements in apparatus for, and in methods of, constructing a (1977-05-10),

6. 4012916 - Apparatus for constructing underground tunnels (1977-03-22),

Company Overview

Hochtief AG is a global construction company based in Germany. With a history dating back over 140 years, Hochtief is known for delivering high-quality infrastructure projects in the fields of transportation, energy, and urban development. The company's innovative and sustainable construction solutions have earned them a reputation as a leading player in the industry. Hochtief is committed to excellence, safety, and environmental responsibility in all their projects.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#86 in Frankfurt

#5,403 in Germany

Frankfurt, Germany

Hochtief A.g.

Forward Citations = 29

6 inventors:

Siegmund Hflm Babendererde (6 out of 18 patents)

Hans Jutte (5 out of 15 patents)

Reinhard E Bokemeyer (5 out of 5 patents)

4. Adolf Foik (3 out of 6 patents)

5. Dieter Stuckmann (2 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hochtief A.g.. Retrieved from https://idiyas.com/company/hochtief-a-g

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]