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Warrendale, PA, United States of America

U.S. Filter Wastewater Group, Inc.

USPTO Granted Patents = 17

CIPO Patents = 2

Trademarks = 10

Forward Citations = 964

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17 inventors (with patents filed for the assignee):

Fufang Zha (9 out of 35 patents)

Edward John Jordan (4 out of 20 patents)

David John Cox (4 out of 12 patents)

4. Warren Thomas Johnson (4 out of 26 patents)

5. Thomas William Beck (3 out of 46 patents)

6. Stephen B Wilcher (3 out of 22 patents)

7. Robert James McMahon (1 out of 22 patents)

8. Heinz-Joachim Muller (1 out of 9 patents)

9. Joachim Muller (1 out of 7 patents)

10. Cinzia Lea (1 out of 3 patents)

11. Georg Schnieder (1 out of 13 patents)

12. Tom Rainier (1 out of 1 patent)

13. Aaron J Balczewski (1 out of 1 patent)

14. Daniel A Cargnel (1 out of 1 patent)

15. Paul Martin Gallagher (1 out of 2 patents)

17 patents: Sort by Forward Citations

1. 7223340 - Hollow fibre restraining system (2007-05-29),

2. 7160463 - Methods of minimizing the effect of integrity loss in hollow fibre membrane modules (2007-01-09),

3. 7018533 - High solids module (2006-03-28),

4. 6974554 - Potting method (2005-12-13),

5. 6969465 - Scouring method (2005-11-29),

6. 6962258 - Hollow fiber restraining system (2005-11-08),

7. 6955762 - Method of cleaning membranes (2005-10-18),

8. 6884350 - Modified membranes (2005-04-26),

9. 6872305 - Membrane filtration system (2005-03-29),

10. 6841070 - Apparatus and method for cleaning membrane filtration modules (2005-01-11),

11. 6821420 - Apparatus and method for cleaning membrane filtration modules (2004-11-23),

12. 6783008 - Hollow fibre restraining system (2004-08-31),

13. 6641733 - Apparatus and method for cleaning membrane filtration modules (2003-11-04),

14. 6524481 - Apparatus and method for cleaning membrane filtration modules (2003-02-25),

15. 5918730 - Sludge collector chain with snap-lock pins (1999-07-06),

U.S. Filter Wastewater Group, Inc. is a leading provider of advanced wastewater treatment solutions. With a focus on sustainability and environmental stewardship, the company offers innovative technologies and services to municipalities, industries, and commercial customers worldwide. Their comprehensive solutions include wastewater treatment systems, filtration equipment, separation processes, and water conservation strategies.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

17 Patents

#7 in Warrendale, PA

#682 in Pennsylvania

#18,331 in US

#34,854 in the World

Warrendale, PA, United States of America

U.S. Filter Wastewater Group, Inc.

Forward Citations = 964

17 inventors:

Fufang Zha (9 out of 35 patents)

Edward John Jordan (4 out of 20 patents)

David John Cox (4 out of 12 patents)

4. Warren Thomas Johnson (4 out of 26 patents)

5. Thomas William Beck (3 out of 46 patents)

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