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Corona, CA, United States of America

R.w. Lyall Company, Inc.

USPTO Granted Patents = 22

Trademarks = 6

Forward Citations = 335

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15 inventors (with patents filed for the assignee):

Mark E Huetinck (6 out of 6 patents)

Robert W Lyall (6 out of 7 patents)

Donald C Hill (5 out of 5 patents)

4. Gregory Harlan Goble (3 out of 7 patents)

5. Christopher Michael Hoang (2 out of 4 patents)

6. Lucian H Lyall (2 out of 3 patents)

7. Robert K Kitterman (2 out of 2 patents)

8. Ronald D Bridgewater (2 out of 2 patents)

9. Harold R Winnie (2 out of 2 patents)

10. Jeffrey W Lyall (2 out of 2 patents)

11. Karol Zbigniew Renau (1 out of 11 patents)

12. William DeKeyser (1 out of 2 patents)

13. Edward K Newton (1 out of 1 patent)

14. Jeff Lyall (1 out of 1 patent)

15. Dan P Zapalac (1 out of 1 patent)

22 patents: Sort by Forward Citations

1. 11428360 - Vertical pig launcher and method of using same (2022-08-30),

2. 11384882 - Mechanical fitting for plastic pipe (2022-07-12),

3. 10550972 - Mechanical fitting for plastic pipe (2020-02-04),

4. 7533689 - Excess flow control valve (2009-05-19),

5. 7360554 - Integrated gas meter bar device and locking shut-off valve (2008-04-22),

6. 7244469 - Method of zinc plating and powder coating residential gas meter set assemblies (2007-07-17),

7. 7152621 - Integrated gas meters bar device and locking shut-off valve (2006-12-26),

8. 5971003 - Apparatus to service gas meters (1999-10-26),

9. 5689938 - Method of fabricating and installing gas service line completion kit (1997-11-25),

10. 5501331 - Gas service line completion kit and method of fabrication and (1996-03-26),

11. 5482073 - Method of changing out gas meters (1996-01-09),

12. 5465751 - Excess flow valve (1995-11-14),

13. 5437300 - Apparatus for changing out gas meters (1995-08-01),

14. 5367756 - Gas meter riser transition field completion tool (1994-11-29),

15. 4943706 - Method and apparatus for fusing thermoplastic materials (1990-07-24),

R.w. Lyall Company, Inc. is a leading manufacturer of high-quality pipeline components for the oil and gas industry. With over 40 years of experience, they specialize in designing and producing innovative products such as pig launchers, receivers, and prefabricated piping systems. Their commitment to quality and customer satisfaction has made them a trusted partner in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

22 Patents

#6 in Corona, CA

#3,451 in California

#14,514 in US

#27,884 in the World

Corona, CA, United States of America

R.w. Lyall Company, Inc.

Forward Citations = 335

15 inventors:

Mark E Huetinck (6 out of 6 patents)

Robert W Lyall (6 out of 7 patents)

Donald C Hill (5 out of 5 patents)

4. Gregory Harlan Goble (3 out of 7 patents)

5. Christopher Michael Hoang (2 out of 4 patents)

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