For the Inventor, By the Inventor

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Los Angeles, CA, United States of America

Southern California Gas Company

USPTO Granted Patents = 20

EPO Patents = 1

Trademarks = 12

Forward Citations = 442

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32 inventors (with patents filed for the assignee):

Stephen L Jiles (3 out of 14 patents)

John C Murphy (2 out of 15 patents)

Klaus H Hemsath (2 out of 45 patents)

4. Ralph F Cohn (2 out of 3 patents)

5. Gary M Durkin (2 out of 3 patents)

6. Patrick J Moran (2 out of 3 patents)

7. Glenn S Hartong (2 out of 2 patents)

8. Robert H Elkins (2 out of 4 patents)

9. Robert A Macriss (2 out of 10 patents)

10. David Pelka (1 out of 50 patents)

11. Timothy Hepburn (1 out of 1 patent)

12. German Lakov (1 out of 4 patents)

13. Randall G Finstad (1 out of 2 patents)

14. James Emerson Huebler (1 out of 16 patents)

15. Maurice Nunes (1 out of 9 patents)

20 patents: Sort by Forward Citations

1. 7954194 - Pig extracting device (2011-06-07),

2. 7365444 - Active anti-islanding system and method (2008-04-29),

3. 5844134 - Gas meter cabinet and unitary manifold (1998-12-01),

4. 5769569 - In-situ thermal desorption of heavy hydrocarbons in vadose zone (1998-06-23),

5. 5654505 - Gas meter cabinet and unitary manifold (1997-08-05),

6. 5595207 - Tension actuated gas shutoff valve (1997-01-21),

7. 5577528 - Apparatus for upgrade or repair of in-service pipelines (1996-11-26),

8. 5427525 - Lox NO.sub.x staged atmospheric burner (1995-06-27),

9. 5240404 - Ultra low NO.sub.x industrial burner (1993-08-31),

10. 5127267 - Acoustic method for locating concealed pipe (1992-07-07),

11. 5126654 - Non-invasive, high resolution detection of electrical currents and (1992-06-30),

12. 5087873 - Non-invasive, high resolution detection of electrical currents and (1992-02-11),

13. 5052921 - Method and apparatus for reducing NO.sub.x emissions in industrial (1991-10-01),

14. 4520265 - Method and apparatus for accurate remote monitoring of gases (1985-05-28),

15. 4497362 - Regenerative room air exchanger (1985-02-05),

Southern California Gas Company (SoCalGas) is the primary provider of natural gas to the southern region of California. With a history dating back over 150 years, SoCalGas has a strong reputation for reliability and customer service. The company serves over 20 million customers across a wide variety of industries, including residential, commercial, and industrial. SoCalGas is committed to providing safe and affordable natural gas solutions to meet the energy needs of its customers.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

20 Patents

#93 in Los Angeles, CA

#3,812 in California

#15,890 in US

#30,364 in the World

Los Angeles, CA, United States of America

Southern California Gas Company

Forward Citations = 442

32 inventors:

Stephen L Jiles (3 out of 14 patents)

John C Murphy (2 out of 15 patents)

Klaus H Hemsath (2 out of 45 patents)

4. Ralph F Cohn (2 out of 3 patents)

5. Gary M Durkin (2 out of 3 patents)

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