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Freilassing, Germany

Kiefel Gmbh

USPTO Granted Patents = 30

% Expired Patents = 23.3

EPO Patents = 40

Trademarks = 4

Forward Citations = 49

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43 inventors (with patents filed for the assignee):

Andreas Dandl (4 out of 10 patents)

Thomas Halletz (4 out of 4 patents)

Peter Knoll (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. Marco Hobelsberger (2 out of 3 patents)

10. Gerhard Wieser (2 out of 2 patents)

11. Bernd Stein (2 out of 2 patents)

12. Christian Lang (2 out of 5 patents)

13. Anton Huber (2 out of 2 patents)

14. Johannes Crepaz (2 out of 2 patents)

15. Heinz Neuhofer (2 out of 2 patents)

30 patents: Sort by Forward Citations

1. 12709843 - Process for the pretreatment of fibrous material, pretreatment chamber and fiber molding plant (2026-08-18),

2. 12617173 - Method for manufacturing three-dimensional products from a fiber-containing material using at least one forming tool and forming tool (2026-05-05),

3. 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),

4. 12578709 - Device and method for optimising the process time of a production machine (2026-03-17),

5. 12571162 - Method for hot pressing preforms from a fiber-containing material (2026-03-10),

6. 12078983 - Production machine comprising a control programme (2024-09-03),

7. 12071731 - Fibre moulding plant for producing moulded parts from environmentally degradable fibre material (2024-08-27),

8. 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),

9. 11523971 - System and method for producing a bag for medical purposes (2022-12-13),

10. 11504898 - Method of thermoforming a foil, forming tool, thermoforming tool, installation for thermoforming, container and brewing container (2022-11-22),

11. 10899087 - Transport system, plastics-processing joining system, method for operating a plastics-processing joining system and product produced thereby (2021-01-26),

12. 10800109 - Tool for HF welding, installation for producing a bag for medical purposes and method for operating such an installation (2020-10-13),

13. 10703583 - Stacking station for a thermoforming plant, method for producing cup-shaped products and thermoforming plant (2020-07-07),

14. 10703576 - Method and system for manufacturing medical pouches (2020-07-07),

15. 10668669 - System and method for manufacturing a bag for medical purposes (2020-06-02),

KIEFEL GmbH is a leading manufacturer of plastics processing machinery and equipment. With over 70 years of experience, KIEFEL offers innovative solutions for the packaging, medical, automotive, and appliance industries. Their portfolio includes advanced technologies for thermoforming, joining, and molding processes. Their dedication to quality, reliability, and customer satisfaction has made them a trusted partner for businesses worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

30 Patents

#1 in

#1,591 in

#21,814 in the World

Freilassing, Germany

Kiefel Gmbh

Forward Citations = 49

43 inventors:

Andreas Dandl (4 out of 10 patents)

Thomas Halletz (4 out of 4 patents)

Peter Knoll (4 out of 4 patents)

4. Rupert Gschwendtner (3 out of 3 patents)

5. Martin Klein (3 out of 3 patents)

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