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For the Inventor, By the Inventor

Altstatten, Switzerland

Coltene Whaledent Ag


USPTO Granted Patents = 9


Trademarks = 4

Forward Citations = 5

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18 inventors (with patents filed for the assignee):

goldMedal Ralf Böhner (4 out of 4 patents)

silverMedal Martin Schaufelberger (2 out of 2 patents)

bronzeMedal Werner Mannschedel (2 out of 12 patents)

4.  Cornelia Kopfmann (2 out of 2 patents)

5.  Martin Schlüter (2 out of 2 patents)

6.  Ralf Kollefrath (2 out of 5 patents)

7.  Simon Sutter Menghini (1 out of 1 patent)

8.  Werner Barth (1 out of 1 patent)

9.  Marc Thurner (1 out of 2 patents)

10.  Michael Kuster (1 out of 2 patents)

11.  Ulrich Müller (1 out of 1 patent)

12.  Dierk Lübbers (1 out of 3 patents)

13.  Silvan Benz (1 out of 1 patent)

14.  Dierk Lubbers (1 out of 1 patent)

15.  Manfred Kalt (1 out of 1 patent)


9 patents:

1. 11633267 - Dental blank with an insert (2023-04-25),
2. 11452584 - Method for producing dental composite blocks (2022-09-27),
3. 11305479 - Cartridge having composite material (2022-04-19),
4. 11033358 - Method for producing blanks for endodontic instruments (2021-06-15),
5. 10729523 - Dental restoration and method for the production of a dental restoration (2020-08-04),
6. 10716644 - Dental instrument (2020-07-21),
7. 8227018 - Dental post (2012-07-24),
8. 8106109 - Dental filling material (2012-01-31),
9. 7998264 - Hardenable dental material (2011-08-16),
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USPTO Data Jan 1 1976 - Dec 30 2025

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9 Patents

#2 in Altstatten

#1,095 in Switzerland

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Altstatten, Switzerland

Coltene Whaledent Ag

Forward Citations = 5

18 inventors:

goldMedal Ralf Böhner (4 out of 4 patents)

silverMedal Martin Schaufelberger (2 out of 2 patents)

bronzeMedal Werner Mannschedel (2 out of 12 patents)

4.  Cornelia Kopfmann (2 out of 2 patents)

5.  Martin Schlüter (2 out of 2 patents)

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