Sichuan Honghua Petroleum Equipment Co., Ltd
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sichuan Honghua Petroleum Equipment Co., Ltd.The latest application filed is for "fully electric-drive sand-mixing apparatus, and automatic control system for fully electric-drive sand-mixing apparatus".
- Sichuan Honghua Petroleum Equipment Co., Ltd - Guanghan, Sichuan CN
- SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD. - Guanghan CN
- SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD. - Sichuan N/A CN
- SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD. - Guaghan, Deyang, Sichuan CN
- SICHUAN HONGHUA PETROLEUM EQUIPMENT CO., LTD. - Guanghan, Sichuan CN
| Patent | Date |
|---|---|
| Fully Electric-drive Sand-mixing Apparatus, And Automatic Control System For Fully Electric-drive Sand-mixing Apparatus App 20220219129 - Tian; Yu ; et al. | 2022-07-14 |
| Drilling machines and methods thereof Grant 11,299,942 - Chen , et al. April 12, 2 | 2022-04-12 |
| Drilling Machines And Methods Thereof App 20220098938 - CHEN; Chong ; et al. | 2022-03-31 |
| Pipe racking system Grant 11,286,731 - Li , et al. March 29, 2 | 2022-03-29 |
| Methods For Tripping A Drilling Rig Or A Workover Rig App 20220074275 - CHAI; Junqing ; et al. | 2022-03-10 |
| Drilling rig Grant 11,028,651 - Luo , et al. June 8, 2 | 2021-06-08 |
| Drilling Rig App 20190316421 - LUO; Rui ; et al. | 2019-10-17 |
| Shale gas operation method Grant 9,016,378 - Zhang , et al. April 28, 2 | 2015-04-28 |
| Fracturing Pump App 20150078924 - Zhang; Mi ; et al. | 2015-03-19 |
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