For the Inventor, By the Inventor

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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),

Company Overview

Essen Instruments, Inc. is a technology company based in Ann Arbor, Michigan, specializing in advanced imaging and analysis solutions for life sciences research. The company focuses on developing innovative tools that enhance the study of cellular behavior and biological processes. Their products are widely utilized in academic and industrial research settings, supporting a range of applications from drug discovery to cancer research. Essen Instruments is committed to advancing scientific understanding through cutting-edge technology and user-friendly interfaces.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#43 in Ann Arbor, MI

#589 in Michigan

#16,409 in US

#31,295 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Essen Instruments, Inc.. Retrieved from https://idiyas.com/company/essen-instruments

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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