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For the Inventor, By the Inventor

Neuwied, Germany

Winkler + Dunnebier, Ag

USPTO Granted Patents = 11

% Expired Patents = 81.8


Forward Citations = 47

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12 inventors (with patents filed for the assignee):

goldMedal Robert William Collins (2 out of 9 patents)

silverMedal Gregory Georgiades (2 out of 5 patents)

bronzeMedal Martin Blumle (1 out of 16 patents)

4.  Stephan Scheu (1 out of 3 patents)

5.  Michael Closmann (1 out of 1 patent)

6.  Thomas Salm (1 out of 5 patents)

7.  Bernfried Kutsch (1 out of 3 patents)

8.  Martin Blümle (1 out of 1 patent)

9.  Greg Georgiades (1 out of 1 patent)

10.  Sascha Haase (1 out of 2 patents)

11.  Ulrich Mertgen (1 out of 2 patents)

12.  Armin Geisen (1 out of 2 patents)

13.  Siegfried Fuchs (1 patent)

14.  Nikolaus Isaak (1 patent)

15.  Reiner Schönberger (1 patent)


11 patents:

1. 8123221 - Apparatus and method for drawing in flat material pieces and in-register transportation of the flat material pieces (2012-02-28),
2. 8007425 - Suction roller for transporting flat material blanks (2011-08-30),
3. 7647698 - Method and device for producing a cutting or embossing roller by means of laser resurfacing welding (2010-01-19),
4. 7559738 - Device and a method for switching pallets (2009-07-14),
5. 7367444 - Device and method for optionally drawing in a cutout from a stack of several cutouts, or taking over a cutout from a separating cutting machine (2008-05-06),
6. 6949059 - Two cylinder one piece pin stripping device (2005-09-27),
7. 6926653 - Two piece pin and sleeve stripping system (2005-08-09),
8. 6817274 - Cam driven pin stripping device (2004-11-16),
9. 6779666 - Packaging envelope and method for making the same (2004-08-24),
10. 6766733 - Interchangeable flexible die (2004-07-27),
11. 6497009 - Apparatus for providing a flock-air mixture substantially free from flock lumps and a method of dispersing flock lumps (2002-12-24),
Company Overview
Winkler + Dunnebier, Ag is a prominent player in the field of precision engineering and manufacturing, specializing in high-quality components for various industries. The company is known for its innovative solutions in mechanical engineering, particularly in the development of advanced systems and tools that enhance operational efficiency. Based in Neuwied, Germany, Winkler + Dunnebier focuses on delivering tailored products that meet the specific needs of its clients, leveraging cutting-edge technology and expertise in the engineering domain.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#9 in Neuwied

#3,524 in Germany

#51,801 in the World

Neuwied, DE
Neuwied, Germany

Winkler + Dunnebier, Ag

Forward Citations = 47

12 inventors:

goldMedal Robert William Collins (2 out of 9 patents)

silverMedal Gregory Georgiades (2 out of 5 patents)

bronzeMedal Martin Blumle (1 out of 16 patents)

4.  Stephan Scheu (1 out of 3 patents)

5.  Michael Closmann (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Winkler + Dunnebier, Ag. Retrieved from https://idiyas.com/company/winkler-plus-dunnebier-ag

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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