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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),

Minntech Corporation is a leading provider of high-quality medical technologies and services. With over 40 years of experience, our mission is to improve patient outcomes by delivering innovative solutions for infection prevention, dialysis, and other medical procedures. Our extensive range of products includes medical devices, disinfectants, and water treatment systems, meeting the needs of healthcare facilities worldwide. We are committed to delivering reliable, safe, and cost-effective solutions that help healthcare professionals provide the best possible care to patients.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

55 Patents

#39 in Minneapolis, MN

#178 in Minnesota

#6,444 in US

#12,894 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)

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