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Ann Arbor, MI, United States of America

Essen Instruments, Inc.

USPTO Granted Patents = 20

% Expired Patents = 5.0

EPO Patents = 3

Trademarks = 9

Forward Citations = 77

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26 inventors (with patents filed for the assignee):

Kirk S Schroeder (5 out of 11 patents)

Tyler Gates (5 out of 11 patents)

Bradley Neagle (4 out of 6 patents)

4. Michael A Artinger (4 out of 14 patents)

5. Francis Kevin Kohlmeier (4 out of 12 patents)

6. Michael W Olszowy (4 out of 13 patents)

7. Aaron Bryce Kennington (3 out of 7 patents)

8. Eric William Endsley (3 out of 7 patents)

9. Kathy Lou Rowlen (3 out of 16 patents)

10. Daniel Appledorn (2 out of 5 patents)

11. Andrew Smolak (2 out of 5 patents)

12. Nevine Holtz (2 out of 7 patents)

13. Erica Dawson Tenent (2 out of 6 patents)

14. Keith J Morton (2 out of 12 patents)

15. Stephen M Barnes (2 out of 23 patents)

20 patents: Sort by Forward Citations

1. 11169073 - Apparatus for supplying reagents to a flow cytometry system (2021-11-09),

2. 11149242 - Methods and apparatus for perfusion and environment control of microplate lab ware (2021-10-19),

3. 11137341 - System and method for separation gas detection between samples (2021-10-05),

4. 11137337 - Flow cytometry with data analysis for optimized dilution of fluid samples for flow cytometry investigation (2021-10-05),

5. 11137336 - Integrated flow cytometer module and liquid handling system and methods for use (2021-10-05),

6. 10885631 - Label-free cell segmentation using phase contrast and brightfield imaging (2021-01-05),

7. 10739246 - Flow cytometry evaluation for unassociated virus-size particles having an adenovirus epitope (2020-08-11),

8. 10732089 - Methods and apparatus for real-time detection and clearing of a clog (2020-08-04),

9. 10724956 - Spectral unmixing (2020-07-28),

10. 10705007 - Flow measurement and control for improved quantification of particles in flow cytometry (2020-07-07),

11. 10633624 - Methods and apparatus for perfusion and environment control of microplate labware (2020-04-28),

12. 10585030 - Evaluating biological material for unassociated virus-like particles (2020-03-10),

13. 10545084 - Flow cytometry evaluation of biological material for exosome particles (2020-01-28),

14. 10539497 - Automated alignment of optics within a flow cytometer (2020-01-21),

15. 10520420 - Flow cytometer signal peak identification employing dynamic thresholding (2019-12-31),

Essen Instruments, Inc. is a leading manufacturer of innovative scientific instruments. Specializing in laboratory equipment, we provide high-quality solutions to researchers, scientists, and professionals in various fields. With our commitment to precision and accuracy, we aim to empower our customers with reliable tools for their scientific endeavors. Visit our website to explore our extensive range of instruments and discover why Essen Instruments is the trusted choice for scientific communities worldwide.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

20 Patents

#43 in Ann Arbor, MI

#587 in Michigan

#16,368 in US

#31,196 in the World

Ann Arbor, MI, United States of America

Essen Instruments, Inc.

Forward Citations = 77

26 inventors:

Kirk S Schroeder (5 out of 11 patents)

Tyler Gates (5 out of 11 patents)

Bradley Neagle (4 out of 6 patents)

4. Michael A Artinger (4 out of 14 patents)

5. Francis Kevin Kohlmeier (4 out of 12 patents)

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