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For the Inventor, By the Inventor

Göttingen, Germany

Alcan Deutschland Gmbh


USPTO Granted Patents = 13

% Expired Patents = 7.7

Trademarks = 5

Forward Citations = 242

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28 inventors (with patents filed for the assignee):

goldMedal Josef Harrer (2 out of 2 patents)

silverMedal Stephan Thieme (2 out of 2 patents)

bronzeMedal Hans Lammermann (2 out of 2 patents)

4.  Georg Bilz (2 out of 2 patents)

5.  Klaus Kofahl (2 out of 3 patents)

6.  Rudolf Schwarz (2 out of 2 patents)

7.  Gerhard Bohm (2 out of 2 patents)

8.  Karl-Heinz Obermeier-Wagner (2 out of 2 patents)

9.  Edgar Martin (2 out of 3 patents)

10.  Fred-Roderich Pohl (1 out of 1 patent)

11.  Hans-Eckard Weitsch (1 out of 1 patent)

12.  Jan-Peter Simons (1 out of 1 patent)

13.  Dirk Ragus (1 out of 1 patent)

14.  Bernd Otte (1 out of 2 patents)

15.  Winfried Grabietz (1 out of 1 patent)


13 patents:

1. 6576316 - Sound absorbing and vibration damping metal strip, molding, and method of producing a sound absorbing and vibration damping metal strip (2003-06-10),
2. 6152017 - Lightweight piston (2000-11-28),
3. D414080 - Stepped-recess food container (1999-09-21),
4. 5890416 - Liquid-cooled piston (1999-04-06),
5. D398526 - Six-edge container (1998-09-22),
6. 5605126 - Piston for internal combustion engines, especially diesel engines (1997-02-25),
7. 5381851 - Low pressure chill casting method for casting metal cast components (1995-01-17),
8. 5381850 - Composite casting process (1995-01-17),
9. 5379680 - Piston for an internal combustion engine (1995-01-10),
10. 5299490 - Piston with flush connecting wall sections at pin boss surface (1994-04-05),
11. 5131452 - Method and apparatus for the dosed removal molten metal out of a melt (1992-07-21),
12. 5095955 - Process and a device for the filling of doughy filling material into (1992-03-17),
13. 4787295 - Piston for internal combustion engines (1988-11-29),
Company Overview
Alcan Deutschland GmbH, based in Göttingen, specializes in the development and manufacturing of advanced materials and solutions, particularly in the fields of aluminum and packaging. The company is known for its innovative approaches to creating lightweight materials that enhance product performance across various industries, including automotive and aerospace. With a strong emphasis on sustainability, Alcan focuses on delivering high-quality products that meet the evolving needs of its global clientele while contributing to environmental stewardship.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#12 in Göttingen

#3,085 in Germany

#45,081 in the World

Göttingen, DE
Göttingen, Germany

Alcan Deutschland Gmbh

Forward Citations = 242

28 inventors:

goldMedal Josef Harrer (2 out of 2 patents)

silverMedal Stephan Thieme (2 out of 2 patents)

bronzeMedal Hans Lammermann (2 out of 2 patents)

4.  Georg Bilz (2 out of 2 patents)

5.  Klaus Kofahl (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alcan Deutschland Gmbh. Retrieved from https://idiyas.com/company/alcan-deutschland

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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