% Expired Patents = 62.5

Forward Citations = 31

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11 inventors (with patents filed for the assignee):

J Patrick Droppleman (3 out of 3 patents)

Michael B Kay (2 out of 3 patents)

Jerry R Ring (1 out of 1 patent)

4. John R Liegakos (1 out of 1 patent)

5. Robert R Kirykowicz (1 out of 1 patent)

6. John S Grzyb (1 out of 1 patent)

7. Alex Kirykowicz (1 out of 1 patent)

8. Henry R Kolesar (1 out of 1 patent)

9. Steven K Berning (1 out of 1 patent)

10. Iner C Olson (1 out of 1 patent)

11. Jeffrey S Phillip (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 9339669 - Breathing apparatus simulator (2016-05-17),

2. 8353706 - Breathing apparatus simulator (2013-01-15),

3. 8028976 - Machining fixture with self-contained hydraulics (2011-10-04),

4. 7198452 - Bar stock loading table and apparatus (2007-04-03),

5. 7140591 - Post valve having an annular valve seat (2006-11-28),

6. 6997348 - Post valve having a one piece valve body (2006-02-14),

7. 4597137 - Hinge pin and hinge pin tool (1986-07-01),

8. 4399492 - Incandescent and fluorescent caplight device (1983-08-16),

Company Overview

Ocenco, Inc. is a leading provider of life-saving respiratory protection equipment for industrial workers. With a focus on safety and innovation, Ocenco offers a wide range of products including self-rescuers, escape units, and breathing apparatus. The company's mission is to protect lives in hazardous environments through reliable and high-quality safety solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#5 in Pleasant Prairie, WI

#789 in Wisconsin

#35,924 in US

Pleasant Prairie, WI, United States of America

Ocenco, Inc.

Forward Citations = 31

11 inventors:

J Patrick Droppleman (3 out of 3 patents)

Michael B Kay (2 out of 3 patents)

Jerry R Ring (1 out of 1 patent)

4. John R Liegakos (1 out of 1 patent)

5. Robert R Kirykowicz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ocenco, Inc.. Retrieved from https://idiyas.com/company/ocenco

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]