For the Inventor, By the Inventor

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Pearland, TX, United States of America

Davis-Lynch, Inc.

USPTO Granted Patents = 19

% Expired Patents = 10.5

CIPO Patents = 2

EPO Patents = 1

Trademarks = 1

Forward Citations = 930

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12 inventors (with patents filed for the assignee):

Malcolm G Coone (10 out of 11 patents)

Jeffry C Ehlinger (5 out of 8 patents)

Frank Cole (4 out of 4 patents)

4. Jerry P Allamon (2 out of 22 patents)

5. Jack D Miller (2 out of 24 patents)

6. Jeffrey D Musselwhite (2 out of 2 patents)

7. Benny Alan Eaton (2 out of 2 patents)

8. Hedayat H Hassanzadeh (2 out of 3 patents)

9. Jeff Ehlinger (1 out of 1 patent)

10. Larry Graen (1 out of 1 patent)

11. Ronnie G Patterson (1 out of 1 patent)

12. Thomas L Kelley (1 out of 1 patent)

13. Jack E Miller (24 patents)

19 patents: Sort by Forward Citations

1. 7849918 - Centering structure for tubular member and method of making same (2010-12-14),

2. 6679336 - Multi-purpose float equipment and method (2004-01-20),

3. 6562401 - Method for making a stand-off device to prevent an oilfield tubular from contacting the side of the wellbore (2003-05-13),

4. 6439304 - Stand-off device (2002-08-27),

5. 6401824 - Well completion convertible float shoe/collar (2002-06-11),

6. 6401811 - Tool tie-down (2002-06-11),

7. 5842517 - Anti-rotational cementing apparatus (1998-12-01),

8. 5584343 - Method and apparatus for filling and circulating fluid in a wellbore (1996-12-17),

9. 5566772 - Telescoping casing joint for landing a casting string in a well bore (1996-10-22),

10. 5411095 - Apparatus for cementing a casing string (1995-05-02),

11. 5234052 - Cementing apparatus (1993-08-10),

12. 5197542 - Well packer (1993-03-30),

13. 5150756 - Well completion apparatus (1992-09-29),

14. 5085273 - Casing lined oil or gas well (1992-02-04),

15. 5027894 - Through the tubing bridge plug (1991-07-02),

Davis-Lynch, Inc. is a specialized engineering firm based in Pearland, Texas, focusing on the development and manufacturing of advanced technologies for the oil and gas industry. The company excels in providing innovative solutions that enhance operational efficiency and safety in energy production. With a commitment to research and development, Davis-Lynch leverages cutting-edge engineering practices to address complex challenges in the sector, ensuring reliable and sustainable energy solutions.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

19 Patents

#2 in Pearland, TX

#1,031 in Texas

#17,113 in US

#32,592 in the World

Pearland, TX, United States of America

Davis-Lynch, Inc.

Forward Citations = 930

12 inventors:

Malcolm G Coone (10 out of 11 patents)

Jeffry C Ehlinger (5 out of 8 patents)

Frank Cole (4 out of 4 patents)

4. Jerry P Allamon (2 out of 22 patents)

5. Jack D Miller (2 out of 24 patents)

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