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Minneapolis, MN, United States of America

Minntech Corporation

USPTO Granted Patents = 55

% Expired Patents = 5.5

CIPO Patents = 2

EPO Patents = 8

Trademarks = 28

Forward Citations = 3,222

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71 inventors (with patents filed for the assignee):

Louis C Cosentino (26 out of 46 patents)

Robert T Hall, Ii (11 out of 13 patents)

Bradley K Onstad (8 out of 8 patents)

4. Paul D Brinda (8 out of 19 patents)

5. Patricia M Stanley (6 out of 12 patents)

6. Jeffrey A Lee (5 out of 10 patents)

7. Daniel A Baker (5 out of 6 patents)

8. Ulf-Eiel F Bach (5 out of 6 patents)

9. Robert G Andrus (5 out of 5 patents)

10. Michael P Petersen (4 out of 15 patents)

11. John E Marxer (4 out of 6 patents)

12. Ward J Sly (4 out of 9 patents)

13. Larry E Fuller (4 out of 8 patents)

14. James Leo Campbell (3 out of 7 patents)

15. Roland C Kippenhan (3 out of 5 patents)

Core Competencies:

Endoscope Integrity Tester

Reprocessing Apparatus

Sterilization System

Dialysis Solution

Biofilm Cleaning

Hollow Fiber Membranes

Oxygenator

Microbicide

Catheter Sterilization

Blood Heater

Cleaning Efficacy

Medical Devices

55 patents: Sort by Forward Citations

1. 8109871 - Endoscope integrity tester including context-sensitive compensation and methods of context-sensitive integrity testing (2012-02-07),

2. 7901349 - Endoscope reprocessor connectivity apparatus and method (2011-03-08),

3. 7850905 - On board monitor for endoscope reprocessor (2010-12-14),

4. 7138087 - Apparatus and method for steam reprocessing flexible endoscopes (2006-11-21),

5. 7061597 - Endoscope reprocessing and sterilization system (2006-06-13),

6. 6884392 - Apparatus and method for steam reprocessing flexible endoscopes (2005-04-26),

7. 6830367 - Dialysis solution system and mixing tank (2004-12-14),

8. 6797234 - Reverse flow sterilizing method (2004-09-28),

9. 6793880 - Apparatus and method for monitoring biofilm cleaning efficacy (2004-09-21),

10. 6632397 - Multi-part anti-microbial concentrate system, activated solution, use-dilution solution, method of making same, and method of sterilizing with the use-dilution solution (2003-10-14),

11. 6585934 - Endoscope reprocessing and sterilization system (2003-07-01),

12. 6439246 - Reverse flow cleaning method for medical devices (2002-08-27),

13. 6309543 - Dialyzer coupling device (2001-10-30),

14. 6261457 - Method and product for cleaning hollow fiber material and filter (2001-07-17),

15. 6251437 - Liquid/powder acid concentrate for dialysate and a method of making the same (2001-06-26),

Company Overview

Minntech Corporation, based in Minneapolis, MN, specializes in the development and manufacturing of advanced medical devices focused on endoscope reprocessing. The company is known for its innovative solutions in ensuring the integrity and safety of endoscopic instruments through technologies such as endoscope integrity testers and reprocessing apparatus. Additionally, Minntech is involved in the creation of sterilization systems and biofilm cleaning solutions, contributing to enhanced patient care in healthcare settings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

55 Patents

#39 in Minneapolis, MN

#178 in Minnesota

#6,460 in US

#12,932 in the World

Minneapolis, MN, United States of America

Minntech Corporation

Forward Citations = 3,222

71 inventors:

Louis C Cosentino (26 out of 46 patents)

Robert T Hall, Ii (11 out of 13 patents)

Bradley K Onstad (8 out of 8 patents)

4. Paul D Brinda (8 out of 19 patents)

5. Patricia M Stanley (6 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Minntech Corporation. Retrieved from https://idiyas.com/company/minntech

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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