Trademarks = 5

Forward Citations = 6

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9 inventors (with patents filed for the assignee):

Matthew Esmacher (2 out of 2 patents)

Kian Chua (2 out of 2 patents)

Susitha Jayaratne (2 out of 2 patents)

4. Jeff Mainzer (1 out of 4 patents)

5. Douglas A Staebler (1 out of 1 patent)

6. Adam Stickl (1 out of 1 patent)

7. Gary A Eiloo (1 out of 2 patents)

8. Robert M Kaye (1 out of 2 patents)

9. Thomas N Tucker (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 11598303 - Drawdown compressor assembly (2023-03-07),

2. 10189059 - Devices for cross bore safeguard during sewer system cleanouts (2019-01-29),

3. 9496627 - Grounding connector (2016-11-15),

4. 8974254 - Grounding connector (2015-03-10),

5. 4144486 - Apparatus for testing metal detectors (1979-03-13),

Washington Gas Light Company is a natural gas utility company serving the Washington, D.C. metropolitan area. With over 170 years of experience, the company provides safe, reliable, and affordable natural gas services to residential, commercial, and industrial customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

5 Patents

#14 in Springfield, VA

#921 in Virginia

#50,234 in US

Springfield, VA, United States of America

Washington Gas Light Company