LexDanaLexDanabeta
Inventor

HAIKANG HE

Inventor
CN

Overview

1→
Patents
2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F04BPositive-displacement machines for liquids50%
PatentTitleYear
11,203,922Method and equipment for optimizing hydraulic parameters of deepwater managed pressure drilling in real time2021

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to UNIV CHINA PETROLEUM EAST CHINA (1)· patent assignee history
2021Patents assigned to ZHANJIANG BRANCH OF CNOOC CHINA CO LTD (1)· patent assignee history
2021Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CHINA PETROLEUM EAST CHINA12021
ZHANJIANG BRANCH OF CNOOC CHINA CO LTD12021
Locations
LocationPatentsSpan
CN12021