Inventor
Lang Feng
Inventor
Guizhou, CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Bprimary
B60BVehicle wheels20%
B60CVehicle tyres20%
E21DShafts20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
H03MCoding20%
PatentTitleYear
11,098,585Hydraulic end die of tunnel secondary lining trolley and construction method therefor202110,985,771Method of calibrating capacitive array of successive approximation register analog-to-digital converter202110,883,965Methods of using nondestructive material inspection systems20215,100,206'Automobile wheel cover able to display tire pressure'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to FENG LE JAN (1)· patent assignee history
1992Based in Taipei, TW· patent location history
2021Patents assigned to CHINA RAILWAY NO 8 ENG GROUP CO LTD (1)· patent assignee history
2021Patents assigned to EXXONMOBIL RES & ENG CO (1)· patent assignee history
2021Patents assigned to NO 3 ENG COMPANY OF CHINA RAILWAY NO 8 ENG GROUP CO LTD (1)· patent assignee history
2021Patents assigned to UNIV ELECTRONIC SCI & TECH CHINA (1)· patent assignee history
2021Based in Guizhou, CN· patent location history
2021Based in Chengdu, CN· patent location history
2021Based in New York, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHINA RAILWAY NO 8 ENG GROUP CO LTD | 1 | 2021 |
| EXXONMOBIL RES & ENG CO | 1 | 2021 |
| FENG LE JANself | 1 | 1992 |
| NO 3 ENG COMPANY OF CHINA RAILWAY NO 8 ENG GROUP CO LTD | 1 | 2021 |
| UNIV ELECTRONIC SCI & TECH CHINA | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Guizhou, CN | 1 | 2021 |
| Chengdu, CN | 1 | 2021 |
| New York, New York, US | 1 | 2021 |
| Taipei, TW | 1 | 1992 |