CIPO Patents = 2

Forward Citations = 42

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4 inventors (with patents filed for the assignee):

Jochen Hennes (4 out of 7 patents)

Edgar Gandelheidt (2 out of 5 patents)

Rolf Hessenbruch (1 out of 1 patent)

4. Konrad Butty (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 7736140 - Interior cooling body for a blowfilm system, blowfilm system, and process for producing a blowfilm (2010-06-15),

2. 7540291 - Method and device for cleaning a blowing head for plastic films (2009-06-02),

3. 7490974 - Screw extrusion press and method with mixing rings having passages (2009-02-17),

4. 7370564 - Cutting device and transporting roller for webs of material (2008-05-13),

5. 7347680 - Device for producing lay-flat tubes in blown film extrusion installation (2008-03-25),

6. 7314196 - Apparatus for handling a finished roll and a winding shaft on a winding apparatus for webs of material (2008-01-01),

Kiefel Extrusion GmbH is a leading provider of advanced extrusion systems for the plastics industry. With over 60 years of experience, Kiefel offers innovative solutions for a wide range of applications, including packaging, automotive, medical, and construction. The company is known for its high-quality products, exceptional customer service, and commitment to sustainable manufacturing practices.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

6 Patents

#6 in Worms

#5,304 in Germany

Worms, Germany

Kiefel Extrusion Gmbh

Forward Citations = 42

4 inventors:

Jochen Hennes (4 out of 7 patents)

Edgar Gandelheidt (2 out of 5 patents)

Rolf Hessenbruch (1 out of 1 patent)

4. Konrad Butty (1 out of 1 patent)

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2 patents (CIPO):

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