EPO Patents = 20

Forward Citations = 2

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19 inventors (with patents filed for the assignee):

Kuno Klein (2 out of 2 patents)

Michal Bubenicek (1 out of 1 patent)

Peter Bohnert (1 out of 1 patent)

4. Fritz Kopf (1 out of 9 patents)

5. Peter Nagy (1 out of 1 patent)

6. Dietmar Adam (1 out of 1 patent)

7. Christoph Adam (1 out of 1 patent)

8. Maximilian Schmitter (1 out of 1 patent)

9. Gerhard Strauch (1 out of 1 patent)

10. Peter Freitag (1 out of 1 patent)

11. Hans Jürgen Schaden (1 out of 1 patent)

12. Alexandra Baumert (1 out of 1 patent)

13. Christian Thienert (1 out of 1 patent)

14. Uwe Hinzmann (1 out of 1 patent)

15. Reiner Otterbein (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 12195940 - Vibrator arrangement for improving building soil (2025-01-14),

2. 11774438 - Measurement set-up for a return cement suspension, construction site arrangement having a measurement set-up as well as method and use (2023-10-03),

3. 11255066 - Method for producing a component free of toe pressure (2022-02-22),

4. 10508401 - Depth vibrator with adjustable imbalance (2019-12-17),

5. 10385530 - Method for compaction detection and control when compacting a soil with a deep vibrator (2019-08-20),

6. 10053831 - Process and assembly for determining the radius of a ground element which can be produced by jet grouting (2018-08-21),

7. 9657524 - Drilling apparatus (2017-05-23),

Company Overview

Keller Holding GmbH is a leading industrial group specializing in manufacturing and distributing high-quality industrial products. With a history dating back to 1943, the company has established a strong reputation for innovative solutions and excellent customer service. Keller Holding GmbH operates across various sectors, including automotive, construction, and energy, offering a wide range of products such as bearings, seals, and hydraulic components. The company is known for its commitment to sustainability and continuous improvement in its operations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

7 Patents

#13 in Offenbach

#4,861 in Germany

Offenbach, Germany

Keller Holding Gmbh

Forward Citations = 2

19 inventors:

Kuno Klein (2 out of 2 patents)

Michal Bubenicek (1 out of 1 patent)

Peter Bohnert (1 out of 1 patent)

4. Fritz Kopf (1 out of 9 patents)

5. Peter Nagy (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keller Holding Gmbh. Retrieved from https://idiyas.com/company/keller-holding

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]

20 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]