Yuan; Min Mark
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yuan; Min Mark.The latest application filed is for "differential fill valve with collet sleeve".
- Yuan; Min Mark - Katy TX
| Patent | Date |
|---|---|
| Differential fill valve with collet sleeve Grant 11,391,119 - Parameshwaraiah , et al. July 19, 2 | 2022-07-19 |
| Plug piston barrier Grant 11,391,115 - Parameshwaraiah , et al. July 19, 2 | 2022-07-19 |
| Downhole apparatus Grant 11,346,171 - Yuan , et al. May 31, 2 | 2022-05-31 |
| Differential Fill Valve With Collet Sleeve App 20220127930 - Parameshwaraiah; Rajesh ; et al. | 2022-04-28 |
| Buoyancy assist tool Grant 11,293,260 - Dharne , et al. April 5, 2 | 2022-04-05 |
| Buoyancy assist tool Grant 11,293,261 - Yuan , et al. April 5, 2 | 2022-04-05 |
| Downhole apparatus with removable plugs Grant 11,255,155 - Yuan , et al. February 22, 2 | 2022-02-22 |
| Differential Fill Valve Sleeve Ball Assembly App 20220049576 - Parameshwaraiah; Rajesh ; et al. | 2022-02-17 |
| Threadless float equipment and method Grant 11,242,720 - Santoso , et al. February 8, 2 | 2022-02-08 |
| Buoyancy assist tool with waffle debris barrier Grant 11,230,905 - Helms , et al. January 25, 2 | 2022-01-25 |
| Plug Piston Barrier App 20210404286 - PARAMESHWARAIAH; Rajesh ; et al. | 2021-12-30 |
| Buoyancy Assist Tool App 20210363858 - Yuan; Min Mark ; et al. | 2021-11-25 |
| Downhole Apparatus App 20210355776 - Yuan; Min Mark ; et al. | 2021-11-18 |
| Buoyancy Assist Tool App 20210332667 - DHARNE; Avinash Gopal ; et al. | 2021-10-28 |
| Buoyancy assist tool with annular cavity and piston Grant 11,142,994 - Yuan , et al. October 12, 2 | 2021-10-12 |
| Buoyancy assist tool with floating piston Grant 11,105,166 - Yuan , et al. August 31, 2 | 2021-08-31 |
| Buoyancy Assist Tool With Annular Cavity And Piston App 20210254430 - Yuan; Min Mark ; et al. | 2021-08-19 |
| Threadless Float Equipment And Method App 20210246746 - Santoso; Handoko Tirto ; et al. | 2021-08-12 |
| Downhole Apparatus With Removable Plugs App 20210230970 - Yuan; Min Mark ; et al. | 2021-07-29 |
| Buoyancy assist tool with overlapping membranes Grant 11,072,990 - Yuan , et al. July 27, 2 | 2021-07-27 |
| Buoyancy Assist Tool With Waffle Debris Barrier App 20210164324 - Helms; Lonnie Carl ; et al. | 2021-06-03 |
| Buoyancy Assist Tool With Center Diaphragm Debris Barrier App 20210148185 - Helms; Lonnie Carl ; et al. | 2021-05-20 |
| Buoyancy Assist Tool With Degradable Plug App 20210148184 - Helms; Lonnie C. ; et al. | 2021-05-20 |
| Downhole Apparatus With Degradable Plugs App 20210140262 - Yuan; Min Mark ; et al. | 2021-05-13 |
| Buoyancy Assist Tool With Degradable Nose App 20210131221 - Helms; Lonnie C. ; et al. | 2021-05-06 |
| Buoyancy Assist Tool With Debris Barrier App 20210131222 - Helms; Lonnie Carl ; et al. | 2021-05-06 |
| Buoyancy assist tool with debris barrier Grant 10,995,583 - Helms , et al. May 4, 2 | 2021-05-04 |
| Buoyancy Assist Tool With Overlapping Membranes App 20210123317 - Yuan; Min Mark ; et al. | 2021-04-29 |
| Buoyancy assist tool with center diaphragm debris barrier Grant 10,989,013 - Helms , et al. April 27, 2 | 2021-04-27 |
| Buoyancy Assist Tool With Floating Piston App 20210062598 - Yuan; Min Mark ; et al. | 2021-03-04 |
| Flapper Disk For Buoyancy Assisted Casing Equipment App 20210062616 - Parameshwaraiah; Rajesh ; et al. | 2021-03-04 |
| Premium mesh screen Grant 9,267,360 - Krush , et al. February 23, 2 | 2016-02-23 |
| Premium Mesh Screen App 20120298223 - Krush; Robert ; et al. | 2012-11-29 |
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