Barthel; Ralph Edward
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barthel; Ralph Edward.The latest application filed is for "proppant with enhanced interparticle bonding".
- Barthel; Ralph Edward - Wake Forest NC
| Patent | Date |
|---|---|
| Proppant With Enhanced Interparticle Bonding App 20210403801 - Monastiriotis; Spyridon ; et al. | 2021-12-30 |
| Proppant with enhanced interparticle bonding Grant 11,098,242 - Monastiriotis , et al. August 24, 2 | 2021-08-24 |
| Coated and cured proppants Grant 10,544,358 - McDaniel , et al. Ja | 2020-01-28 |
| Proppant With Enhanced Interparticle Bonding App 20190249077 - Monastiriotis; Spyridon ; et al. | 2019-08-15 |
| Proppant with polyurea-type coating Grant 10,208,242 - McCrary , et al. Feb | 2019-02-19 |
| Proppant with enhanced interparticle bonding Grant 10,100,247 - Monastiriotis , et al. October 16, 2 | 2018-10-16 |
| Proppant With Polyurea-Type Coating App 20170275523 - McCrary; Avis Lloyd ; et al. | 2017-09-28 |
| Proppant with composite coating Grant 9,725,645 - Monastiriotis , et al. August 8, 2 | 2017-08-08 |
| Proppant with polyurea-type coating Grant 9,518,214 - McCrary , et al. December 13, 2 | 2016-12-13 |
| Coated And Cured Proppants App 20160194556 - McDaniel; Robert Ray ; et al. | 2016-07-07 |
| Coated and cured proppants Grant 9,290,690 - McDaniel , et al. March 22, 2 | 2016-03-22 |
| Proppant With Enhanced Interparticle Bonding App 20140338906 - Monastiriotis; Spyridon ; et al. | 2014-11-20 |
| Proppant With Polyurea-Type Coating App 20140274819 - McCrary; Avis Lloyd ; et al. | 2014-09-18 |
| Proppant With Composite Coating App 20140162911 - Monastiriotis; Spyridon ; et al. | 2014-06-12 |
| Coated And Cured Proppants App 20130065800 - McDaniel; Robert Ray ; et al. | 2013-03-14 |
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