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Inventor

LUNPING ZHANG

Inventor
CN

Overview

2→
Patents
2022–2023
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
PatentTitleYear
11,713,674Pressure pulse communication system and method during gas drilling202311,371,962Multi-frequency acoustic velocity measurement device for core2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2023Patents assigned to UNIV SOUTHWEST PETROLEUM (2)· patent assignee history
2022Patents assigned to HAOHAN WELL COMPLETION & LOGGING SCIENCE AND TECHONLOGY LTD COMPANY (1)· patent assignee history
2022Patents assigned to HAOHAN WELL COMPLETIONGLOGGING SCIENCE AND TECH LIMITED COMPANY (1)· patent assignee history
2022–2023Based in CN· patent location history
2023Patents assigned to HAOHAN WELL COMPLETION & LOGGING SCIENCE AND TECH LIMITED COMPANY (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV SOUTHWEST PETROLEUM22022–2023
HAOHAN WELL COMPLETION & LOGGING SCIENCE AND TECH LIMITED COMPANY12023
HAOHAN WELL COMPLETION & LOGGING SCIENCE AND TECHONLOGY LTD COMPANY12022
HAOHAN WELL COMPLETIONGLOGGING SCIENCE AND TECH LIMITED COMPANY12022
Locations
LocationPatentsSpan
CN22022–2023