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Elkhart, IN, United States of America

Environmental Test Systems, Inc.

USPTO Granted Patents = 10

CIPO Patents = 2

Trademarks = 4

Forward Citations = 66

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14 inventors (with patents filed for the assignee):

Eugenia Makowski (2 out of 2 patents)

Yuriy Vladimirovich Evtodienko (2 out of 2 patents)

Carol Ann Terry (2 out of 2 patents)

4. Kenneth A Blake (2 out of 3 patents)

5. Chauncey O Rupe (2 out of 3 patents)

6. James E Christner (1 out of 8 patents)

7. Michael A Van Lente (1 out of 5 patents)

8. Iouri Evtodienko (1 out of 4 patents)

9. David A N Morris (1 out of 1 patent)

10. Boris Ivanovich Medvedev (1 out of 1 patent)

11. Robert A Peachey-Stoner (1 out of 1 patent)

12. Leonard J Lucchese, Ii (1 out of 1 patent)

13. Harry Thomas Stephenson (1 out of 1 patent)

14. Thomas Harry Kreiser (1 out of 1 patent)

15. Lydia J Dobler (1 patent)

10 patents: Sort by Forward Citations

1. 6638480 - High sensitivity test system for the colorimetric determination of specific gravity or total dissolved solids in aqueous samples (2003-10-28),

2. 6043096 - Device and method for the determination of water (2000-03-28),

3. 6030842 - Method, composition and device for the determination of free halogens in (2000-02-29),

4. 5858797 - Test composition, device and method for the colorimetric determination (1999-01-12),

5. 5856199 - Colorimetric dry reagent test device and method for the determination of (1999-01-05),

6. 5801061 - Method for the colorimetric determination of analytes in the presence of (1998-09-01),

7. 5498547 - Method and device for the determination of polymeric biguanides in (1996-03-12),

8. 5330715 - Multilayer test device having fusion bonding attachment layer (1994-07-19),

9. 5229299 - Test devices and methods for determining halides in aqueous samples (1993-07-20),

10. 4855239 - Test composition and device for the determination of cyanuric acid in (1989-08-08),

Environmental Test Systems, Inc. specializes in providing a wide range of environmental testing solutions to ensure product reliability and compliance with industry standards. With decades of experience, our state-of-the-art testing facilities and expert engineers deliver accurate and efficient testing services for clients in various sectors including aerospace, automotive, and electronics industries.

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

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USPTO Data Jan 1 1976 - Dec 30 2025

10 Patents

#25 in Elkhart, IN

#411 in Indiana

#29,006 in US

#54,324 in the World

Elkhart, IN, United States of America

Environmental Test Systems, Inc.

Forward Citations = 66

14 inventors:

Eugenia Makowski (2 out of 2 patents)

Yuriy Vladimirovich Evtodienko (2 out of 2 patents)

Carol Ann Terry (2 out of 2 patents)

4. Kenneth A Blake (2 out of 3 patents)

5. Chauncey O Rupe (2 out of 3 patents)

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