For the Inventor, By the Inventor

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Cleveland, OH, United States of America

Technology Management, Inc.

USPTO Granted Patents = 13

% Expired Patents = 15.4

CIPO Patents = 2

EPO Patents = 1

Trademarks = 1

Forward Citations = 429

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9 inventors (with patents filed for the assignee):

Michael A Petrik (9 out of 10 patents)

Robert C Ruhl (7 out of 19 patents)

Christopher E Milliken (7 out of 7 patents)

4. Thomas L Cable (5 out of 30 patents)

5. Adam B Brakas (2 out of 2 patents)

6. Benson P Lee (2 out of 2 patents)

7. Carrie Manon Hawk (1 out of 1 patent)

8. Salvadore C Santillan (1 out of 1 patent)

9. Robert F Downs (1 out of 1 patent)

13 patents: Sort by Forward Citations

1. 7163759 - Solid oxide fuel cell stack assembly having tapered diffusion layers (2007-01-16),

2. 6878480 - Electrochemical apparatus with reactant micro-channels (2005-04-12),

3. 6811913 - Multipurpose reversible electrochemical system (2004-11-02),

4. 6489050 - Apparatus and method for cooling high-temperature fuel cell stacks (2002-12-03),

5. 6440596 - Solid-oxide fuel cell hot assembly (2002-08-27),

6. 6399233 - Technique for rapid cured electrochemical apparatus component fabrication (2002-06-04),

7. 6361892 - Electrochemical apparatus with reactant micro-channels (2002-03-26),

8. 6238816 - Method for steam reforming hydrocarbons using a sulfur-tolerant catalyst (2001-05-29),

9. 5910238 - Microspheres for combined oxygen separation, storage and delivery (1999-06-08),

10. 5766317 - Microspheres for combined oxygen separation, storage and delivery (1998-06-16),

11. 5589285 - Electrochemical apparatus and process (1996-12-31),

12. 5445903 - Electrochemical apparatus (1995-08-29),

13. 4395610 - Pivotable multipole switch (1983-07-26),

Technology Management, Inc. is a leading provider of IT solutions and services for businesses of all sizes. With a team of experienced professionals, we help our clients leverage technology to drive growth and achieve their business goals. Our services include IT consulting, managed services, cybersecurity solutions, cloud computing, and more. Visit our website for more information on how we can help your organization succeed in the digital age.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

13 Patents

#137 in Cleveland, OH

#1,006 in Ohio

#23,808 in US

#44,950 in the World

Cleveland, OH, United States of America

Technology Management, Inc.

Forward Citations = 429

9 inventors:

Michael A Petrik (9 out of 10 patents)

Robert C Ruhl (7 out of 19 patents)

Christopher E Milliken (7 out of 7 patents)

4. Thomas L Cable (5 out of 30 patents)

5. Adam B Brakas (2 out of 2 patents)

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