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For the Inventor, By the Inventor

Minnetonka, MN, United States of America

Osmonics, Incorporated


USPTO Granted Patents = 21



Trademarks = 8

Forward Citations = 414

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31 inventors (with patents filed for the assignee):

goldMedal Douglas L Olsen (5 out of 5 patents)

silverMedal Thomas M Aune (4 out of 7 patents)

bronzeMedal Travis G Stifter (3 out of 4 patents)

4.  James S Johnson (3 out of 8 patents)

5.  Michael J Witham (3 out of 4 patents)

6.  Philip M Rolchigo (2 out of 21 patents)

7.  Kenji A Kingsford (2 out of 24 patents)

8.  Michael J Madsen (2 out of 3 patents)

9.  Steven Duwayne Kloos (2 out of 20 patents)

10.  Clinton V Kopp (2 out of 40 patents)

11.  Anthony K Chan (2 out of 5 patents)

12.  Robert A Bertelsen (2 out of 2 patents)

13.  Kenneth J Sieth (1 out of 30 patents)

14.  Thomas Honzelka (1 out of 4 patents)

15.  Jessica A Peschl (1 out of 4 patents)


21 patents:

1. 6987150 - Modified sulfonamide polymers (2006-01-17),
2. 6938781 - Three-dimensional non-woven filter (2005-09-06),
3. 6916395 - Process for making three-dimensional non-woven media (2005-07-12),
4. 6481293 - Elbow mounted turbine flowmeter (2002-11-19),
5. 6465050 - Non-cracking hydrophilic polyethersulfone membranes (2002-10-15),
6. 6358417 - Non-woven depth filter element (2002-03-19),
7. 6227802 - Multistage centrifugal pump (2001-05-08),
8. 6193077 - Non-cracking hydrophilic polyethersulfone membranes (2001-02-27),
9. 6056903 - Preparation of polyethersulfone membranes (2000-05-02),
10. 5759639 - Method of fabricating a membrane coated paper (1998-06-02),
11. 5345857 - Thermoplastic bellows and method of forming the same (1994-09-13),
12. 5340479 - Depth filter cartridge and method and apparatus for making same (1994-08-23),
13. 5258165 - Multi-tube ozone generator and method of making same (1993-11-02),
14. 5227062 - Adjustable flow control for fluid separation system comprising (1993-07-13),
15. 4983104 - Bellows-type pump (1991-01-08),
Company Overview
Osmonics, Incorporated, based in Minnetonka, MN, specializes in advanced water treatment solutions. The company focuses on the development and manufacturing of membrane filtration technologies, which are essential for various applications, including industrial processes, pharmaceuticals, and food and beverage industries. With a commitment to innovation, Osmonics aims to enhance water quality and sustainability through its cutting-edge products and expertise in membrane technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

21 Patents

#27 in Minnetonka, MN

#470 in Minnesota

#15,712 in US

#30,001 in the World

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

Osmonics, Incorporated

Forward Citations = 414

31 inventors:

goldMedal Douglas L Olsen (5 out of 5 patents)

silverMedal Thomas M Aune (4 out of 7 patents)

bronzeMedal Travis G Stifter (3 out of 4 patents)

4.  James S Johnson (3 out of 8 patents)

5.  Michael J Witham (3 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Osmonics, Incorporated. Retrieved from https://idiyas.com/company/osmonics

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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