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For the Inventor, By the Inventor

Plymouth, MN, United States of America

Alexandria Research Technologies, LLC

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 80.0


Forward Citations = 721

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10 inventors (with patents filed for the assignee):

goldMedal Wesley D Johnson (10 out of 30 patents)

silverMedal Gerard A Engh (9 out of 13 patents)

bronzeMedal Daryl R Pilarski (3 out of 5 patents)

4.  Michael Travanty (2 out of 25 patents)

5.  Robert Edward Kohler (2 out of 14 patents)

6.  Aaron J Bisek (2 out of 5 patents)

7.  Anthony G Kremer (1 out of 1 patent)

8.  Kevin T Stables (1 out of 1 patent)

9.  Mike Travanty (1 out of 1 patent)

10.  Kevin David Swanson (1 out of 34 patents)

11.  Gerard Engh (0 patent)

12.  Gerard Engh (0 patent)


10 patents:

1. 8425516 - Apparatus and method for sculpting the surface of a joint (2013-04-23),
2. 8128631 - Apparatus and method for placing an implant in vivo (2012-03-06),
3. 7985225 - Apparatus and method for sculpting the surface of a joint (2011-07-26),
4. 7896922 - Implants for partial knee arthroplasty (2011-03-01),
5. 7758652 - Modular apparatus and method for sculpting the surface of a joint (2010-07-20),
6. 7604637 - Apparatus and method for minimally invasive total joint replacement (2009-10-20),
7. 7559928 - Apparatus and method for minimally invasive total joint replacement (2009-07-14),
8. 7520901 - Bicompartmental implants and method of use (2009-04-21),
9. 7115131 - Apparatus and method for sculpting the surface of a joint (2006-10-03),
10. 6723102 - Apparatus and method for minimally invasive total joint replacement (2004-04-20),
Company Overview
Alexandria Research Technologies, LLC, based in Plymouth, MN, specializes in the development and manufacturing of advanced technologies for the life sciences sector. The company focuses on providing innovative solutions that enhance research capabilities and streamline laboratory processes. With a commitment to quality and precision, Alexandria Research Technologies aims to support scientific advancements through its cutting-edge products and services, catering to a diverse range of applications in research and development.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

10 Patents

#53 in Plymouth, MN

#853 in Minnesota

#29,922 in US

#56,169 in the World

Plymouth, MN (US)
Plymouth, MN, United States of America

Alexandria Research Technologies, LLC

Forward Citations = 721

10 inventors:

goldMedal Wesley D Johnson (10 out of 30 patents)

silverMedal Gerard A Engh (9 out of 13 patents)

bronzeMedal Daryl R Pilarski (3 out of 5 patents)

4.  Michael Travanty (2 out of 25 patents)

5.  Robert Edward Kohler (2 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alexandria Research Technologies, LLC. Retrieved from https://idiyas.com/company/alexandria-research-technologies

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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