Inventor
Guohua Cao
Inventor
Jiangsu, CN
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B66Bprimary
B66BElevators21%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors10%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels7%
G01NInvestigating or analysing materials by determining their chemical or physical properties7%
B08BCleaning in general3%
B66DCapstans3%
F15BSystems acting by means of fluids in general3%
F16FSprings3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
G01MTesting static or dynamic balance of machines or structures3%
PatentTitleYear
11,097,925Device for cage jamming buffer of large-tonnage hoisting system of ultra-deep shaft2021D0927817Trolley cart202111,059,700Large-tonnage skip anti-blocking system202110,989,695Online monitoring system for crack on hoist spindle and operation method thereof202110,988,347Large-tonnage coal dropping buffer skip for mine202110,913,636Device and method for adjusting tension of a steel wire rope of an ultra-deep vertical shaft at a hoisting-container-end202110,894,697Self-detection device for liner plate of hoisting container and detection method202110,894,670Movable belt breakage prevention and catching system for belt conveyor202110,882,700Embedded scraper rotation angle detection device for scraper conveyor and detection method202110,157,314Aerial image processing2018Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2018Based in Houston, TX, US· patent location history
2021Patents assigned to UNIV CHINA MINING (8)· patent assignee history
2021Patents assigned to XUZHOU COAL MINE SAFETY EQUIPMENT MFT CO LTD (3)· patent assignee history
2021Patents assigned to UNIV INNER MONGOLIA TECHNOLOGY (2)· patent assignee history
2021Patents assigned to XUZHOU ZHIRUN MINING EQUIPMENT SCIENCE AND TECH CO LTD (2)· patent assignee history
2021Patents assigned to CAO GUOHUA (1)· patent assignee history
2021Based in Jiangsu, CN· patent location history
2021Based in Xuzhou, CN· patent location history
2021Based in Guangdong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA MINING | 8 | 2021 |
| XUZHOU COAL MINE SAFETY EQUIPMENT MFT CO LTD | 3 | 2021 |
| UNIV INNER MONGOLIA TECHNOLOGY | 2 | 2021 |
| XUZHOU ZHIRUN MINING EQUIPMENT SCIENCE AND TECH CO LTD | 2 | 2021 |
| CAO GUOHUAself | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Jiangsu, CN | 6 | 2021 |
| Xuzhou, CN | 2 | 2021 |
| Guangdong, CN | 1 | 2021 |
| Houston, Texas, US | 1 | 2018 |