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For the Inventor, By the Inventor

Bern, Switzerland

Protek Ag


USPTO Granted Patents = 47

Trademarks = 1

Forward Citations = 2,681

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34 inventors (with patents filed for the assignee):

goldMedal Roland Willi (12 out of 30 patents)

silverMedal Otto Frey (12 out of 56 patents)

bronzeMedal Rudolf Koch (8 out of 48 patents)

4.  Maurice E Muller (6 out of 7 patents)

5.  Lorenzo Spotorno (5 out of 11 patents)

6.  Erwin W Morscher (5 out of 5 patents)

7.  Heinz Wagner (5 out of 6 patents)

8.  Stefan Freudiger (4 out of 18 patents)

9.  Hans Fluckiger (3 out of 7 patents)

10.  Christian Mansat (3 out of 4 patents)

11.  Walter Moser (3 out of 4 patents)

12.  Pier G Marchetti (2 out of 3 patents)

13.  Peter G Niederer (2 out of 6 patents)

14.  Heinrich Stutz (1 out of 3 patents)

15.  Willi Frick (1 out of 2 patents)


Core Competencies:
Hip Joint Prosthesis
Knee Joint Prosthesis
Ligament Replacement
Acetabular Prosthesis
Femoral Prosthesis
Meniscus Platform
Prosthetic Device
Implantation Process
Joint Socket
Fastening System
Artificial Ligament
Endoprosthesis

47 patents:

1. 5735850 - Fastening system for pedicel screws (1998-04-07),
2. 5674225 - Extraction tool for a shaft of a hip joint prosthesis or of a (1997-10-07),
3. 5645604 - Tibia platform for a knee joint prosthesis (1997-07-08),
4. 5624464 - Artificial acetabulum (1997-04-29),
5. 5507828 - Artificial acetabulum (1996-04-16),
6. 5500018 - Sealing element in the form of a strap (1996-03-19),
7. 5458649 - Two-part hipjoint socket (1995-10-17),
8. 5376119 - Attachment for an artificial ligament, and a process for implantation (1994-12-27),
9. 5370695 - Metal shank (1994-12-06),
10. 5330535 - Screw-nut for screwing implants together (1994-07-19),
11. 5314490 - Outer cup for an artificial hipjoint socket (1994-05-24),
12. 5314483 - Meniscus platform for an artificial knee joint (1994-05-24),
13. 5271747 - Meniscus platform for an artificial knee joint (1993-12-21),
14. 5197988 - Femoral prosthesis (1993-03-30),
15. 5192322 - Implant for a prosthetic ligament and/or tendon replacement (1993-03-09),
Company Overview
Protek Ag, based in Bern, Switzerland, specializes in the development and manufacturing of advanced orthopedic implants and prosthetic devices. The company focuses on innovative solutions for joint replacement, including hip and knee joint prostheses, artificial acetabula, and femoral prostheses. Additionally, Protek Ag is engaged in the creation of specialized components such as pedicel screws, prosthetic ligaments, meniscus platforms, and ligament anchors, contributing to enhanced patient outcomes in orthopedic surgery.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

47 Patents

#7 in Bern

#307 in Switzerland

#14,821 in the World

Bern, CH
Bern, Switzerland

Protek Ag

Forward Citations = 2,681

34 inventors:

goldMedal Roland Willi (12 out of 30 patents)

silverMedal Otto Frey (12 out of 56 patents)

bronzeMedal Rudolf Koch (8 out of 48 patents)

4.  Maurice E Muller (6 out of 7 patents)

5.  Lorenzo Spotorno (5 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protek Ag. Retrieved from https://idiyas.com/company/protek-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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