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% Expired Patents = 8.3

Forward Citations = 409

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8 inventors (with patents filed for the assignee):

Gueorgui I Mantov (5 out of 5 patents)

Kenneth Andrew Wallace (4 out of 7 patents)

Joseph M McAndrews (2 out of 6 patents)

4. Jon Drew Karnes (2 out of 2 patents)

5. John Roller (2 out of 3 patents)

6. Richard H Jones (2 out of 2 patents)

7. Lynn Ernest Schultz (1 out of 5 patents)

8. Norman C Baldwin (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6583603 - Back-up battery management apparatus and method for charging and testing battery cells in a string of battery cells (2003-06-24),

2. 6469491 - Apparatus and method for measuring DC load current of a switching power supply (2002-10-22),

3. 6396317 - Digital voltage controlled oscillator (2002-05-28),

4. 6377481 - Power supply including diode recovery current suppression circuit (2002-04-23),

5. 6163204 - Fast AC sensor for detecting power outages (2000-12-18),

6. 616320 - Fast AC sensor for detecting power outages (2000-12-19),

7. 6118680 - Methods and apparatus for load sharing between parallel inverters in an (2000-09-12),

8. 6052298 - Inverter input noise suppression circuit (2000-04-18),

9. 5963078 - Transformer coupled FET drive circuit (1999-10-05),

10. 5933338 - Dual coupled current doubler rectification circuit (1999-08-03),

11. 5886503 - Back-up battery management apparatus for charging and testing individual (1999-03-23),

12. 5777454 - Back-up battery management system for a DC power supply (1998-07-07),

Peco II, Inc. is a leading provider of engineering, procurement, construction, and maintenance services for the energy industry. With over 30 years of experience, Peco II has completed projects across the globe, specializing in gas processing, power generation, and renewable energy solutions. Their commitment to quality, safety, and innovation has made them a trusted partner for industry leaders.

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USPTO Data Jan 1 1976 - Sep 22 2026

12 Patents

#2 in Galion, OH

#1,068 in Ohio

#25,505 in US

#48,055 in the World

Galion, OH, United States of America

Peco Ii, Inc.