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Inventor

Rong Zhong

Inventor
Daqing, CN

Overview

1→
Patents
2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B01Dprimary
B01DSeparation50%
E21BEarth or rock drilling50%
PatentTitleYear
8,757,257'Crown-shaped separation device for separating oil and water in well'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to DAQING OILFIELD CO LTD (1)· patent assignee history
2014Patents assigned to PETROCHINA CO LTD (1)· patent assignee history
2014Based in Daqing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAQING OILFIELD CO LTD12014
PETROCHINA CO LTD12014
Locations
LocationPatentsSpan
Daqing, CN12014