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For the Inventor, By the Inventor

Seefeld, Germany

3m Espe Ag


USPTO Granted Patents = 79



Trademarks = 22

Forward Citations = 1,040

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121 inventors (with patents filed for the assignee):

goldMedal Gunther Eckhardt (14 out of 20 patents)

silverMedal Peter Bissinger (12 out of 51 patents)

bronzeMedal Marc Peuker (12 out of 89 patents)

4.  Joachim Zech (11 out of 43 patents)

5.  Ingo W Wagner (11 out of 26 patents)

6.  Thomas Klettke (10 out of 27 patents)

7.  Rainer A Guggenberger (9 out of 45 patents)

8.  Reinhold Hecht (8 out of 32 patents)

9.  Wolfgang Weinmann (8 out of 16 patents)

10.  Thomas Luchterhandt (8 out of 20 patents)

11.  Erich Wanek (8 out of 26 patents)

12.  Oswald Gasser (7 out of 42 patents)

13.  Karsten Dede (6 out of 27 patents)

14.  Helmut Pauser (6 out of 39 patents)

15.  Arno Hohmann (6 out of 32 patents)


Core Competencies:
Dental Materials
Self-Adhesive Compositions
Curable Silicone Impression Materials
Multi-Component Pastes
Photoinitiator Systems
Dynamic Mixers
Aziridino Polyethers
Cationically Curable Materials
Automixable Putty
Intraoral Diagnostic Methods
Radically Curable Urethanes

79 patents:

1. 9220578 - Capsule for storage, mixing and dispensing materials (2015-12-29),
2. 8561845 - Capsule for two-component materials (2013-10-22),
3. 8129444 - Self-adhesive dental materials (2012-03-06),
4. 8079466 - Devices for storing and dispensing compositions (2011-12-20),
5. 7968645 - Curable silicone impression materials with high tear strength and low consistency (2011-06-28),
6. 7963937 - Syringe for a multi-component paste (2011-06-21),
7. 7923485 - Preparations based on aziridino polyethers and the use thereof (2011-04-12),
8. 7882983 - Capsule for two-component materials (2011-02-08),
9. 7854721 - Syringe assembly (2010-12-21),
10. 7825167 - Dental composition containing unsaturated halogenated aryl alkyl ether components (2010-11-02),
11. 7807730 - Composition containing unsaturated silicone compounds, dental materials containing them and use thereof (2010-10-05),
12. 7799846 - Dental composition containing an epoxy functional carbosilane compound (2010-09-21),
13. 7732508 - Automixable putty impression material (2010-06-08),
14. 7700712 - Allylsilane containing composition (2010-04-20),
15. 7700668 - Adhesive composition with decreased polarity upon polymerization (2010-04-20),
3M Espe Ag is a subsidiary of 3M Company, a global science-based technology company. 3M Espe Ag is known for its innovative dental products and solutions, providing dental professionals with high-quality materials and equipment. They offer a wide range of products including dental adhesives, composites, ceramics, impression materials, and preventive care solutions. With a commitment to continuous research and development, 3M Espe Ag aims to improve oral health care worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

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79 Patents

#1 in Seefeld

#739 in Germany

#9,183 in the World

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Seefeld, Germany

3m Espe Ag

Forward Citations = 1,040

121 inventors:

goldMedal Gunther Eckhardt (14 out of 20 patents)

silverMedal Peter Bissinger (12 out of 51 patents)

bronzeMedal Marc Peuker (12 out of 89 patents)

4.  Joachim Zech (11 out of 43 patents)

5.  Ingo W Wagner (11 out of 26 patents)

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