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For the Inventor, By the Inventor

Hamburg, Germany

Waldemar Link (Gmbh & Co.)

Calculating rank
USPTO Granted Patents = 55

% Expired Patents = 1.8


Trademarks = 4

Forward Citations = 5,546

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12 inventors (with patents filed for the assignee):

goldMedal Arnold Keller (44 out of 96 patents)

silverMedal Helmut D Link (8 out of 73 patents)

bronzeMedal Elmar Nieder (5 out of 9 patents)

4.  Eckart Engelbrecht (4 out of 8 patents)

5.  Rudolf Stoffella (2 out of 2 patents)

6.  Robert D Lockhart (2 out of 5 patents)

7.  Rudolf Stoffella (1 out of 1 patent)

8.  Heiner Thabe (1 out of 1 patent)

9.  Philipp Lubinus (1 out of 1 patent)

10.  Karin Buttner-Janz (1 out of 1 patent)

11.  Jean-Philippe Lemaire (1 out of 1 patent)

12.  Christoph Eggers (1 out of 1 patent)

13.  Christoph Ranft (2 patents)


Core Competencies:
Knee Prosthesis
Hip-Joint Endoprosthesis
Spinal Fixing Device
Intervertebral Endoprosthesis
Prosthetic Device
Surgical Instrument
Bone Plate Arrangement
Cotyloid Cavity Prosthesis
Finger Splint
Surgical Cerclage Band
Acetabular Cup
Endoprosthesis

55 patents:

1. 6743258 - Knee prosthesis system (2004-06-01),
2. 6689136 - Implant for fixing two bone fragments to each other (2004-02-10),
3. 6569203 - Alloplastic replacement for a long bone (2003-05-27),
4. 6500207 - Joint endoprosthesis (2002-12-31),
5. 6488714 - Prosthesis system (2002-12-03),
6. 6416551 - Intervertebral endoprosthesis with a toothed connection plate (2002-07-09),
7. 6334875 - Cotyloid cavity prosthesis (2002-01-01),
8. 6302889 - Surgical cerclage band (2001-10-16),
9. 6248109 - Implant for interconnecting two bone fragments (2001-06-19),
10. 6235032 - Calcaneal bone plate (2001-05-22),
11. 6224634 - Hip-joint endoprosthesis (2001-05-01),
12. 6203545 - Implant for fixing bone fragments after an osteotomy (2001-03-20),
13. 6187006 - Surgical instrument (2001-02-13),
14. 6168630 - Hand joint prosthesis (2001-01-02),
15. 6139549 - Spinal fixing device (2000-10-31),
Company Overview
Waldemar Link (Gmbh & Co.) is a prominent company based in Hamburg, Germany, specializing in the development and manufacturing of joint endoprostheses. The organization focuses on innovative solutions in the field of orthopedic implants, including knee and hip-joint prostheses, spinal fixation devices, and intervertebral endoprostheses. With a commitment to advancing surgical instruments and prosthetic devices, Waldemar Link aims to enhance patient outcomes through cutting-edge technology and a deep understanding of biomechanical principles.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

55 Patents

#22 in Hamburg

#973 in Germany

#12,945 in the World

Hamburg, DE
Hamburg, Germany

Waldemar Link (Gmbh & Co.)

Forward Citations = 5,546

12 inventors:

goldMedal Arnold Keller (44 out of 96 patents)

silverMedal Helmut D Link (8 out of 73 patents)

bronzeMedal Elmar Nieder (5 out of 9 patents)

4.  Eckart Engelbrecht (4 out of 8 patents)

5.  Rudolf Stoffella (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Waldemar Link (Gmbh & Co.). Retrieved from https://idiyas.com/company/waldemar-link-and-company

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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