Forward Citations = 76

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11 inventors (with patents filed for the assignee):

Markus Burgin (3 out of 8 patents)

Herbert Scherrer (3 out of 3 patents)

Ernst Bopp (2 out of 2 patents)

4. Ennio Cecchetto (2 out of 2 patents)

5. Michael Muller (1 out of 3 patents)

6. Erwin Kagi (1 out of 1 patent)

7. Heinz Hartmann (1 out of 1 patent)

8. Kurt Hefti (1 out of 1 patent)

9. Stefan Wirth (1 out of 1 patent)

10. Karl Gasser (1 out of 1 patent)

11. Philipp Ziegler (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. D377663 - Container for toner (1997-01-28),

2. 5127750 - Refillable ink ribbon cartridge (1992-07-07),

3. 4735518 - Ink ribbon cassette (1988-04-05),

4. 4732500 - Drive mechanism including floating pressure ring for ink ribbon cassette (1988-03-22),

5. 4655623 - Ink ribbon cassette (1987-04-07),

6. 4502801 - Ribbon cassette for word processors, printers and typewriters (1985-03-05),

7. 4426169 - Typewriting ribbon with adhesively correctable print (1984-01-17),

8. 4391536 - Word processor print wheel assembly (1983-07-05),

9. 4153378 - Re-inking and ventilation control for inked ribbon cassette (1979-05-08),

10. 4071133 - Cassette for dye impregnated ribbon (1978-01-31),

Company Overview

Franz Buttner AG is a Swiss company based in Egg, specializing in the development and manufacturing of high-quality precision components and systems. The organization focuses on innovative solutions in the fields of mechanical engineering and automation technology, catering to various industries. With a commitment to quality and precision, Franz Buttner AG leverages advanced engineering practices to deliver tailored products that meet the evolving needs of its clients, both locally and internationally.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#1 in Egg

#1,044 in Switzerland

#55,986 in the World

Egg, Switzerland

Franz Buttner Ag

Forward Citations = 76

11 inventors:

Markus Burgin (3 out of 8 patents)

Herbert Scherrer (3 out of 3 patents)

Ernst Bopp (2 out of 2 patents)

4. Ennio Cecchetto (2 out of 2 patents)

5. Michael Muller (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Franz Buttner Ag. Retrieved from https://idiyas.com/company/franz-buttner-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]