Inventor

TONGWU AN

Inventor
CN

Overview

1→
Patents
2024
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.

B01Fprimary
B01FMixing, e.g. dissolving, emulsifying or dispersing33%
B05BSpraying apparatus33%
E21BEarth or rock drilling33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to SHANDONG RUIHENG XINGYU PETROLEUM TECH DEVELOPMENT CO LTD (1)· patent assignee history
2024Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHANDONG RUIHENG XINGYU PETROLEUM TECH DEVELOPMENT CO LTD12024
Locations
LocationPatentsSpan
CN12024