% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 83

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6 inventors (with patents filed for the assignee):

John A Barclay (4 out of 15 patents)

Tadeusz Szymanski (2 out of 3 patents)

Michael Barclay (2 out of 3 patents)

4. Lenard J Stoltman (2 out of 2 patents)

5. Hunter A Chumbley (2 out of 2 patents)

6. Kathryn Midori Oseen-Senda (2 out of 6 patents)

7. Ingo Ehmann (0 patent)

8. Lennart KÄRRBERG (0 patent)

4 patents: Sort by Forward Citations

1. 9302215 - Rotary fluid processing systems and associated methods (2016-04-05),

2. 8852328 - Rotary fluid processing systems and associated methods (2014-10-07),

3. 8025720 - Systems and methods for processing methane and other gases (2011-09-27),

4. 7744677 - Systems and methods for processing methane and other gases (2010-06-29),

Prometheus Technologies is a leading provider of innovative technology solutions for businesses across various industries. With a focus on cutting-edge software development, cloud computing, and cybersecurity, we help our clients stay ahead of the competition and achieve their business goals. Our team of expert engineers and developers is dedicated to delivering high-quality, customized solutions that drive efficiency and growth. Contact us today to learn how we can help your business thrive in the digital age.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#108 in Redmond, WA

#1,462 in Washington

#60,561 in US

Redmond, WA, United States of America

Prometheus Technologies, LLC