Petrochina Co L T D Trademarks & Logos

Petrochina Co L T D

USPTO Trademark & Patent Filings

Trademark applications and grants for Petrochina Co L T D. Petrochina Co L T D has 9 trademark applications. The latest application filed is for "a symbol or image mark"

Company Profile

PetroChina Company Limited
PetroChina Company Limited - Beijing CN
PetroChina Company Ltd. - Beijing CN

Trademarks Patents

Patent Application	Date
Carbon-Dioxide-Responsive Self-Thickening Intelligent Fluid Based on Supramolecular Self-Assembly 20220259485 - 17/739378 Xiong; Chunming ; et al.	2022-08-18
DOWNHOLE THROTTLING DEVICE BASED ON WIRELESS CONTROL 20220205346 - 17/606836 Xie; Jun ; et al.	2022-06-30
Permeability-enhancing flooding system for tight oil reservoirs, and preparation and use thereof 20220145164 - 17/433839 Ding; Bin ; et al.	2022-05-12
DEVICE AND METHOD FOR CONTINUOUS MIXING OF SOLID DRAG REDUCER 20220098941 - 17/546098 Chen; Pengfei ; et al.	2022-03-31
METHOD AND APPARATUS FOR PREDICTING OPTIMAL EXPLOITATION IN SHALE OIL IN-SITU CONVERSION 20220034213 - 17/269906 Hou; Lianhua ; et al.	2022-02-03

Patent Application

Date

Carbon-Dioxide-Responsive Self-Thickening Intelligent Fluid Based on Supramolecular Self-Assembly
20220259485 - 17/739378 Xiong; Chunming ; et al.

2022-08-18

DOWNHOLE THROTTLING DEVICE BASED ON WIRELESS CONTROL
20220205346 - 17/606836 Xie; Jun ; et al.

2022-06-30

Permeability-enhancing flooding system for tight oil reservoirs, and preparation and use thereof
20220145164 - 17/433839 Ding; Bin ; et al.

2022-05-12

DEVICE AND METHOD FOR CONTINUOUS MIXING OF SOLID DRAG REDUCER
20220098941 - 17/546098 Chen; Pengfei ; et al.

2022-03-31

METHOD AND APPARATUS FOR PREDICTING OPTIMAL EXPLOITATION IN SHALE OIL IN-SITU CONVERSION
20220034213 - 17/269906 Hou; Lianhua ; et al.

2022-02-03

Mark Image Registration \| Serial	Trademark Application Date
"Symbol/Image" 3436394 79039218	Symbol/Image 2007-03-21
"KUNLUN" 3436357 79037999	KUNLUN 2007-01-22
"Symbol/Image" 3436356 79037998	Symbol/Image 2007-01-22
"Symbol/Image" 3318476 79023086	Symbol/Image 2005-07-11
"CNPC" 3196997 79019139	CNPC 2005-05-09
"CNPC" 3194602 79019136	CNPC 2005-04-30
"PETRO CHINA" 3194603 79019138	PETRO CHINA 2005-04-30
"PETROCHINA" 2835762 76236631	PETROCHINA 2001-04-06
"PETROCHINA" 2706160 76236632	PETROCHINA 2001-04-06

Mark Image

Registration | Serial

Trademark

Application Date

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