Inventor

Ruisong Tong

Inventor
Qinhuangdao, CN

Overview

6→
Patents
2020–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions12%
A47GHousehold or table equipment6%
B21BRolling of metal6%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling6%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material6%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls6%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling6%
B24BMachines, devices, or processes for grinding or polishing6%
B26DCutting6%
B41KStamps6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to CITIC DICASTAL CO LTD (4)· patent assignee history
2020Based in Qinhuangdao, CN· patent location history
2020Based in Hebei, CN· patent location history
2021Patents assigned to POLYGROUP MACAU LTD BVI (2)· patent assignee history
2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIC DICASTAL CO LTD42020
POLYGROUP MACAU LTD BVI22021
Locations
LocationPatentsSpan
Qinhuangdao, CN32020
Shenzhen, CN22021
Hebei, CN12020