Patil; Ishwar Dilip
Patent Applications and Registrations
Patent applications and USPTO patent grants for Patil; Ishwar Dilip.The latest application filed is for "cementing apparatus for reverse cementing".
- Patil; Ishwar Dilip - Spring TX
- Patil; Ishwar Dilip - Sping TX
| Patent | Date |
|---|---|
| Cementing Apparatus For Reverse Cementing App 20220136364 - Patil; Ishwar Dilip ; et al. | 2022-05-05 |
| Buoyancy assist tool with waffle debris barrier Grant 11,230,905 - Helms , et al. January 25, 2 | 2022-01-25 |
| 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 |
| 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 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 |
| Downhole Tool For Cementing A Borehole App 20200378216 - Acosta; Frank Vinicio ; et al. | 2020-12-03 |
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