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For the Inventor, By the Inventor

Minnetonka, MN, United States of America

Osmonics, Incorporated


USPTO Granted Patents = 21



Trademarks = 9

Forward Citations = 408

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33 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),
Osmonics, Incorporated is a leading manufacturer of water treatment products and solutions. With a focus on providing high-quality water purification systems for industrial and residential use, Osmonics has built a reputation for innovation and reliability. Their products include reverse osmosis membranes, filtration systems, and water softeners, all designed to improve water quality and meet the needs of a wide range of customers.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#21 in Minnetonka, MN

#455 in Minnesota

#15,151 in US

#29,031 in the World

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Minnetonka, MN, United States of America

Osmonics, Incorporated

Forward Citations = 408

33 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)

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