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Freilassing, Germany

Kiefel Gmbh

USPTO Granted Patents = 32

% Expired Patents = 21.9

EPO Patents = 42

Trademarks = 4

Forward Citations = 49

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45 inventors (with patents filed for the assignee):

Peter Knoll (5 out of 5 patents)

Andreas Dandl (4 out of 10 patents)

Thomas Halletz (4 out of 4 patents)

4. Rupert Gschwendtner (3 out of 3 patents)

5. Martin Klein (3 out of 3 patents)

6. Johann Haas (3 out of 3 patents)

7. Erwin Wabnig (3 out of 3 patents)

8. Heinz Hinterseer (3 out of 6 patents)

9. Matthias Hausmann (3 out of 3 patents)

10. Marco Hobelsberger (2 out of 3 patents)

11. Gerhard Wieser (2 out of 2 patents)

12. Bernd Stein (2 out of 2 patents)

13. Christian Lang (2 out of 5 patents)

14. Anton Huber (2 out of 2 patents)

15. Johannes Crepaz (2 out of 2 patents)

Core Competencies:

Thermoforming

Fiber Molding

Medical Bags

Temperature Control

Production Optimization

High Frequency Welding

Lamination Film

Transport System

Riveting Tool

Foil Processing

Mold Assembly

32 patents: Sort by Forward Citations

1. 12754061 - Weighing system, manufacturing device and method of operating a manufacturing device for workpieces (2026-10-06),

2. D1149673 - Threaded cap (2026-09-29),

3. 12709843 - Process for the pretreatment of fibrous material, pretreatment chamber and fiber molding plant (2026-08-18),

4. 12617173 - Method for manufacturing three-dimensional products from a fiber-containing material using at least one forming tool and forming tool (2026-05-05),

5. 12600063 - Method for temperature control in a molding tool for the production of molded parts from a fiber-containing material and molding station with a molding tool (2026-04-14),

6. 12578709 - Device and method for optimising the process time of a production machine (2026-03-17),

7. 12571162 - Method for hot pressing preforms from a fiber-containing material (2026-03-10),

8. 12078983 - Production machine comprising a control programme (2024-09-03),

9. 12071731 - Fibre moulding plant for producing moulded parts from environmentally degradable fibre material (2024-08-27),

10. 12070893 - Method for the crystallisation of a film, method and device for shaping a film, and system for producing products from a thermoplastic film material (2024-08-27),

11. 11523971 - System and method for producing a bag for medical purposes (2022-12-13),

12. 11504898 - Method of thermoforming a foil, forming tool, thermoforming tool, installation for thermoforming, container and brewing container (2022-11-22),

13. 10899087 - Transport system, plastics-processing joining system, method for operating a plastics-processing joining system and product produced thereby (2021-01-26),

14. 10800109 - Tool for HF welding, installation for producing a bag for medical purposes and method for operating such an installation (2020-10-13),

15. 10703583 - Stacking station for a thermoforming plant, method for producing cup-shaped products and thermoforming plant (2020-07-07),

Company Overview

Kiefel GmbH, based in Freilassing, Germany, specializes in the development and manufacturing of high-quality machinery and equipment for the packaging, automotive, and medical sectors. The company is known for its innovative solutions in thermoforming, welding, and automation technologies, catering to a global clientele. Kiefel focuses on enhancing production efficiency and sustainability, leveraging advanced engineering and design to meet the evolving needs of its diverse industries.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

32 Patents

#1 in

#1,524 in

#20,660 in the World

Freilassing, Germany

Kiefel Gmbh

Forward Citations = 49

45 inventors:

Peter Knoll (5 out of 5 patents)

Andreas Dandl (4 out of 10 patents)

Thomas Halletz (4 out of 4 patents)

4. Rupert Gschwendtner (3 out of 3 patents)

5. Martin Klein (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kiefel Gmbh. Retrieved from https://idiyas.com/company/kiefel

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]

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