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Trademarks = 1

Forward Citations = 48

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10 inventors (with patents filed for the assignee):

Ray W Osterwald (1 out of 1 patent)

George R Offen (1 out of 4 patents)

Terry G Hunt (1 out of 1 patent)

4. Randy A Bishop (1 out of 1 patent)

5. Michael Markano (1 out of 1 patent)

6. Kenneth K Christensen (1 out of 1 patent)

7. Daniel Bettis (1 out of 1 patent)

8. Daniel A Ortega (1 out of 1 patent)

9. Fred S Watts, Jr (1 out of 1 patent)

10. Lynn Loren Beecher (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5311686 - Illuminated natural gas flow display panel assembly (1994-05-17),

2. 5285806 - Method and apparatus for temporarily sealing off pipelines (1994-02-15),

3. 5165903 - Integrated process and apparatus for control of pollutants in coal-fired (1992-11-24),

4. 4969852 - Channel discriminator circuit for paging stations (1990-11-13),

5. 4086568 - Modular I/O equipment for controlling field devices directly or as an (1978-04-25),

Public Service Company of Colorado, a subsidiary of Xcel Energy, is a regulated electric and natural gas utility serving Colorado. The company provides reliable energy services to over 1.5 million customers in the state, with a focus on sustainability, innovation, and community engagement.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#186 in Denver, CO

#1,106 in Colorado

#50,165 in US

Denver, CO, United States of America

Public Service Company of Colorado