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Trademarks = 1

Forward Citations = 70

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6 inventors (with patents filed for the assignee):

Julian P Trangsrud (6 out of 30 patents)

Carsten Dierkes (2 out of 2 patents)

John G Stark (1 out of 2 patents)

4. Bradley C Currie (1 out of 1 patent)

5. Thomas Fleischanderl (1 out of 1 patent)

6. Hannes Brandstaetter (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 8322540 - Filter element for water loaded with solid particles and dissolved toxic substances and purification system equipped with said filter element (2012-12-04),

2. 8322109 - Multi-cage spacer (2012-12-04),

3. 7632403 - Liquid filtration system (2009-12-15),

4. 7044077 - Mechanical warning device (2006-05-16),

5. 6919033 - Stormwater treatment system for eliminating solid debris (2005-07-19),

6. 6695002 - Outside drop for manhole (2004-02-24),

7. 6347781 - Concrete hole former with embedded gasket (2002-02-19),

8. 6226928 - Caustic fluid blocking member in the base of a manhole (2001-05-08),

9. 6206609 - Extension for a canal bed liner (2001-03-27),

10. D420891 - Stabilizing ground anchor (2000-02-22),

Royal Environmental Systems, Inc. is a leading provider of wastewater treatment solutions for municipalities, industrial facilities, and commercial clients. With over 30 years of experience, we specialize in designing and manufacturing innovative systems that are cost-effective and environmentally friendly. Our advanced technologies and dedicated team ensure that we deliver high-quality solutions that meet the unique needs of our customers.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

10 Patents

#1 in Stacy, MN

#835 in Minnesota

#29,016 in US

#54,349 in the World

Stacy, MN, United States of America

Royal Environmental Systems, Inc.