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For the Inventor, By the Inventor

Pearland, TX, United States of America

Davis-Lynch, Inc.

USPTO Granted Patents = 19

% Expired Patents = 10.5



Trademarks = 1

Forward Citations = 930

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12 inventors (with patents filed for the assignee):

goldMedal Malcolm G Coone (10 out of 11 patents)

silverMedal Jeffry C Ehlinger (5 out of 8 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

19 Patents

#2 in Pearland, TX

#1,033 in Texas

#17,150 in US

#32,693 in the World

Pearland, TX (US)
Pearland, TX, United States of America

Davis-Lynch, Inc.

Forward Citations = 930

12 inventors:

goldMedal Malcolm G Coone (10 out of 11 patents)

silverMedal Jeffry C Ehlinger (5 out of 8 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Davis-Lynch, Inc.. Retrieved from https://idiyas.com/company/davis-lynch

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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