Greenlee; Joseph G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Greenlee; Joseph G..The latest application filed is for "dual pipe drill head quick interchange joint".
- Greenlee; Joseph G. - Perry OK
| Patent | Date |
|---|---|
| Dual Pipe Drill Head Quick Interchange Joint App 20220120145 - Slaughter, JR.; Greg L. ; et al. | 2022-04-21 |
| Virtual Brake System App 20210404293 - Greenlee; Joseph G. ; et al. | 2021-12-30 |
| Dual pipe drill head quick interchange joint Grant 11,208,851 - Slaughter, Jr. , et al. December 28, 2 | 2021-12-28 |
| Virtual brake system Grant 11,118,430 - Greenlee , et al. September 14, 2 | 2021-09-14 |
| Dual-Member Pipe Assembly App 20210262291 - Slaughter, Jr.; Greg L. ; et al. | 2021-08-26 |
| Dual-member pipe assembly Grant 11,002,076 - Slaughter, Jr. , et al. May 11, 2 | 2021-05-11 |
| Method To Prevent Dual Rod Drill String Drag App 20210115777 - Slaughter, JR.; Greg L. ; et al. | 2021-04-22 |
| Virtual Brake System App 20200347701 - Greenlee; Joseph G. ; et al. | 2020-11-05 |
| Virtual brake system Grant 10,724,347 - Greenlee , et al. | 2020-07-28 |
| Dual Pipe Drill Head Quick Interchange Joint App 20200040668 - Slaughter, JR.; Greg L. ; et al. | 2020-02-06 |
| Dual-Member Pipe Assembly App 20190226283 - Slaughter, JR.; Greg L. ; et al. | 2019-07-25 |
| Horizontal directional drill Grant D851,132 - Cosgrove , et al. | 2019-06-11 |
| Dual-member pipe assembly Grant 10,260,287 - Slaughter, Jr. , et al. | 2019-04-16 |
| Virtual Brake System App 20180171718 - Greenlee; Joseph G. ; et al. | 2018-06-21 |
| Dual-Member Pipe Assembly App 20160245025 - Slaughter, JR.; Greg L. ; et al. | 2016-08-25 |
| Earth saw App 20090007460 - Greenlee; Joseph G. ; et al. | 2009-01-08 |
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