For the Inventor, By the Inventor

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Radnor, PA, United States of America

Preferred Technology, LLC

USPTO Granted Patents = 18

CIPO Patents = 11

Forward Citations = 133

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20 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 is a leading technology solutions provider, specializing in delivering innovative software solutions and professional services to meet the unique business needs of our clients. With a team of experienced consultants and engineers, we offer a wide range of services including software development, system integration, cloud computing, and IT consulting. Our goal is to help our clients leverage technology to drive growth, increase efficiency, and gain a competitive edge in their industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

18 Patents

#3 in Radnor, PA

#654 in Pennsylvania

#17,393 in US

#33,170 in the World

Radnor, PA, United States of America

Preferred Technology, LLC

Forward Citations = 133

20 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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