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Neuwied, Germany

Winkler & Duennebier Maschinenfabrik Und Eisengiesserei Kg

USPTO Granted Patents = 15

Forward Citations = 171

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8 inventors (with patents filed for the assignee):

Martin Bluemle (7 out of 11 patents)

Martin Blumle (3 out of 16 patents)

Klaus Munsch (2 out of 5 patents)

4. Siegfried Fuchs (1 out of 4 patents)

5. Engelbert Rottmann (1 out of 2 patents)

6. Armin Geisen (1 out of 2 patents)

7. Heinrich Rupp (1 out of 1 patent)

8. Alfons Schmidt (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 6013148 - Apparatus for joining ends of material webs to each other (2000-01-11),

2. 5938193 - Method and apparatus for aligning moving flat articles with an also (1999-08-17),

3. 5776285 - Method and apparatus for applying adhesive to a closure flap of envelopes (1998-07-07),

4. 5558612 - Apparatus for the continuous production of an article of manufacture, (1996-09-24),

5. 5478302 - Method for continuously producing envelopes, bags, and shipping pouches (1995-12-26),

6. 5398866 - Collapsible enclosure having foldable side flaps and a non-foldable (1995-03-21),

7. 5393196 - Method and apparatus for stacking of envelopes or the like (1995-02-28),

8. 5373680 - Apparatus for folding and packaging of hygiene products such as tissues (1994-12-20),

9. 5292300 - Enclosure and method for making the enclosure (1994-03-08),

10. 5245728 - Clump dissolving baffle in conduit between flake supplying and pad (1993-09-21),

11. 5201982 - Method for producing self-sealing envelopes (1993-04-13),

12. 5176615 - Apparatus for folding hygienic products (1993-01-05),

13. 5109741 - Knife roller (1992-05-05),

14. 5006037 - Apparatus for turning over cartons (1991-04-09),

15. 4870803 - Method and apparatus for packing envelopes in cartons (1989-10-03),

Winkler & Duennebier is a leading manufacturer of high-quality machines for the packaging industry. With over 100 years of experience, the company offers innovative solutions for envelope and paper bag production. Their machines are known for their reliability, precision, and efficiency, meeting the demands of customers worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

15 Patents

#7 in Neuwied

#2,763 in Germany

#38,696 in the World

Neuwied, Germany

Winkler & Duennebier Maschinenfabrik Und Eisengiesserei Kg

Forward Citations = 171

8 inventors:

Martin Bluemle (7 out of 11 patents)

Martin Blumle (3 out of 16 patents)

Klaus Munsch (2 out of 5 patents)

4. Siegfried Fuchs (1 out of 4 patents)

5. Engelbert Rottmann (1 out of 2 patents)

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