Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11760924 | Proppant with enhanced interparticle bonding | Spyridon Monastiriotis, Robert Ray McDaniel, Ralph Edward Barthel | 2023-09-19 |
| 11098242 | Proppant with enhanced interparticle bonding | Spyridon Monastiriotis, Robert Ray McDaniel, Ralph Edward Barthel | 2021-08-24 |
| 10544358 | Coated and cured proppants | Robert Ray McDaniel, Spyridon Monastiriotis, Ralph Edward Barthel | 2020-01-28 |
| 10208242 | Proppant with polyurea-type coating | Robert Ray McDaniel, Ralph Edward Barthel, Spyridon Monastiriotis | 2019-02-19 |
| 10100247 | Proppant with enhanced interparticle bonding | Spyridon Monastiriotis, Robert Ray McDaniel, Ralph Edward Barthel | 2018-10-16 |
| 10087360 | Dual function proppants | Robert Ray McDaniel | 2018-10-02 |
| 9725645 | Proppant with composite coating | Spyridon Monastiriotis, Robert Ray McDaniel, Ralph Edward Barthel | 2017-08-08 |
| 9624421 | Dual function proppants | Robert Ray McDaniel | 2017-04-18 |
| 9562187 | Manufacture of polymer coated proppants | Robert Ray McDaniel | 2017-02-07 |
| 9518214 | Proppant with polyurea-type coating | Robert Ray McDaniel, Ralph Edward Barthel, Spyridon Monastiriotis | 2016-12-13 |
| 9290690 | Coated and cured proppants | Robert Ray McDaniel, Spyridon Monastiriotis, Ralph Edward Barthel | 2016-03-22 |
| 9096790 | Low temperature coated particles comprising a curable liquid and a reactive powder for use as proppants or in gravel packs, methods for making and using the same | Robert Ray McDaniel, John W. Green | 2015-08-04 |
| 9040467 | Coated and cured proppants | Robert Ray McDaniel | 2015-05-26 |
| 8993489 | Coated and cured proppants | Robert Ray McDaniel | 2015-03-31 |
| 8763700 | Dual function proppants | Robert Ray McDaniel | 2014-07-01 |
| 8240383 | Methods for making and using UV/EB cured precured particles for use as proppants | Liang Xu, John W. Green | 2012-08-14 |
| 8227026 | Particles for use as proppants or in gravel packs, methods for making and using the same | Robert Ray McDaniel, John W. Green, Liang Xu | 2012-07-24 |
| 7919183 | Particles for use as proppants or in gravel packs, methods for making and using the same | Robert Ray McDaniel | 2011-04-05 |
| 7624802 | Low temperature coated particles for use as proppants or in gravel packs, methods for making and using the same | Michael Anthony Barajas, Robert Ray McDaniel | 2009-12-01 |
| 7270879 | Particulate material containing thermoplastics and methods for making and using the same | — | 2007-09-18 |
| 7153575 | Particulate material having multiple curable coatings and methods for making and using same | Robert Anderson, Tom Diep | 2006-12-26 |
| 6387501 | Phenolic coated refractory aggregates | Jimmy Pingao Chen, Pitchaiya Chandramouli | 2002-05-14 |
| 5418271 | Coating composition comprising solids having reversible stress-induced fluidity | John L. Burba, III, Peter A. Doty, Christopher P. Christenson, Susan K. Falcone, Andrea Hazlitt +8 more | 1995-05-23 |
| 5151496 | Substituted phenol-formaldehyde novolac resins containing reduced quantities of 2-functional components and epoxy novolac resins prepared therefrom | James L. Bertram, Louis L. Walker, Fermin M. Cortez | 1992-09-29 |
| 5106923 | Substituted phenol-formaldehyde novolac resins containing reduced quantities of 2-functional components and epoxy novolac resins prepared therefrom | James L. Bertram, Louis L. Walker, Fermin M. Cortez | 1992-04-21 |