For the Inventor, By the Inventor

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Radnor, PA, United States of America

Preferred Technology, LLC

USPTO Granted Patents = 18

% Expired Patents = 22.2

Forward Citations = 149

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12 inventors (with patents filed for the assignee):

Robert Ray McDaniel (15 out of 44 patents)

Avis Lloyd McCrary (13 out of 22 patents)

Spyridon Monastiriotis (12 out of 13 patents)

4. Ralph Edward Barthel (8 out of 8 patents)

5. Anthony Paul Haddock (3 out of 3 patents)

6. Magnus Ufumwen Legemah (1 out of 1 patent)

7. Neomi Nishith Sanghrajka (1 out of 1 patent)

8. Yu-Chin Li (1 out of 2 patents)

9. Jada Shuchen Leung (1 out of 1 patent)

10. Kerry Drake (1 out of 1 patent)

11. Amr M Radwan (1 out of 1 patent)

12. Andrew F Nordquist (1 out of 1 patent)

13. Robert Ray Mcdaniel (0 patent)

14. Avis Lloyd Mccrary (0 patent)

18 patents: Sort by Forward Citations

1. 12330186 - Continuous mixers and methods of using the same (2025-06-17),

2. 11760924 - Proppant with enhanced interparticle bonding (2023-09-19),

3. 11208591 - Hydrophobic coating of particulates for enhanced well productivity (2021-12-28),

4. 11098242 - Proppant with enhanced interparticle bonding (2021-08-24),

5. 10590337 - High performance proppants (2020-03-17),

6. 10544358 - Coated and cured proppants (2020-01-28),

7. 10208242 - Proppant with polyurea-type coating (2019-02-19),

8. 10100247 - Proppant with enhanced interparticle bonding (2018-10-16),

9. 10087360 - Dual function proppants (2018-10-02),

10. 9862881 - Hydrophobic coating of particulates for enhanced well productivity (2018-01-09),

11. 9790422 - Proppant mixtures (2017-10-17),

12. 9725645 - Proppant with composite coating (2017-08-08),

13. 9624421 - Dual function proppants (2017-04-18),

14. 9562187 - Manufacture of polymer coated proppants (2017-02-07),

15. 9518214 - Proppant with polyurea-type coating (2016-12-13),

Preferred Technology, LLC, based in Radnor, PA, specializes in advanced technology solutions, focusing on the development and integration of innovative systems across various sectors. The company is known for its expertise in software development, data analytics, and automation technologies, catering to a diverse clientele. With a commitment to enhancing operational efficiency and driving technological advancement, Preferred Technology plays a pivotal role in shaping the future of its industry through research and development initiatives.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Preferred Technology, LLC

18 Patents

#4 in Radnor, PA

#658 in Pennsylvania

#17,952 in US

#34,187 in the World

Radnor, PA, United States of America

Preferred Technology, LLC

Forward Citations = 149

12 inventors:

Robert Ray McDaniel (15 out of 44 patents)

Avis Lloyd McCrary (13 out of 22 patents)

Spyridon Monastiriotis (12 out of 13 patents)

4. Ralph Edward Barthel (8 out of 8 patents)

5. Anthony Paul Haddock (3 out of 3 patents)

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