Shengli Oilfield Shengji Petroleum Equipment Co., Ltd.

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Dongying City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automated apparatus for oil field drilling and workover operations
- Patent number 12,234,692
- Issue date Feb 25, 2025
- SHENGLI OILFIELD SHENGJI PETROLEUM EQUIPMENT CO., LTD.
- Xiqing Zhang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATED APPARATUS FOR OIL FIELD DRILLING AND WORKOVER OPERATIONS
- Publication number 20240018833
- Publication date Jan 18, 2024
- SHENGLI OILFIELD SHENGJI PETROLEUM EQUIPMENT CO., LTD.
- Xiqing ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
AUTOMATIC SMALL REPAIR OPERATION SYSTEM FOR OIL FIELD
- Publication number 20240018835
- Publication date Jan 18, 2024
- SHENGLI OILFIELD SHENGJI PETROLEUM EQUIPMENT CO., LTD.
- Xiqing ZHANG
- E21 - EARTH DRILLING MINING
Information Patent Application
THIEF HATCH
- Publication number 20160236835
- Publication date Aug 18, 2016
- Shengli Oilfield Shengji Petroleum Equipment Co., Ltd.
- Zhang Xiqing
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Trademarklast 30 trademarks

Information Trademark
79213709 - SJ
- Serial number 79213709
- Filing date Feb 22, 2016
- Shengli Oilfield Shengji Petroleum Equipment Co., Ltd.
- 6 - Common metals and their alloys
Information Trademark
86540912 - SJ TWISTER
- Serial number 86540912
- Filing date Feb 20, 2015
- Shengli Oilfield Shengji Petroleum Equipment Co., Ltd.
- 7 - Machines and machine tools
Information Trademark
86540954 - SJ PERFORMER
- Serial number 86540954
- Filing date Feb 20, 2015
- Shengli Oilfield Shengji Petroleum Equipment Co., Ltd.
- 7 - Machines and machine tools