Brown; Donavan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brown; Donavan.The latest application filed is for "guide sleeve for use with side pocket mandrel".
- Brown; Donavan - Houston TX
| Patent | Date |
|---|---|
| Guide Sleeve for Use with Side Pocket Mandrel App 20220251913 - Brown; Donavan | 2022-08-11 |
| Variable Orifice Valve for Gas Lift Mandrel App 20220251932 - Brown; Donavan | 2022-08-11 |
| Electric Remote Operated Gas Lift Mandrel App 20220220834 - Brown; Donavan ; et al. | 2022-07-14 |
| Gas Lift Side Pocket Mandrel with Modular Interchangeable Pockets App 20220145735 - Bisset; Stephen ; et al. | 2022-05-12 |
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