Lanzhou
China
8
2025-12-30
The entities that hold a legal rights for patent applications filed by inventor Chen Dun:
Dun Chen from Lanzhou, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Transmission line tower base with electrothermal air-blowing anti-frost heave function for permafrost regions
#2 | 2025-10-21Anti-frost heave pile foundation support device
#3 | 2024-09-10Blockage-proof water diversion and drainage devices for highway tunnel construction
#4 | 2024-09-10Pipeline support devices for preventing melting and sinking based on gas heat exchange
#5 | 2024-08-20Rod-type pile foundation for preventing pile body from being heaved and operating method thereof
#6 | 2024-08-06Monitoring devices for methane gas in hot thaw lake ponds in tundra regions
#7 | 2024-02-06Devices for preventing frost heaving and thawing settlement
#8 | 2024-02-06Anti-frost heaving supports and methods for crude oil pipelines crossing permafrost regions
7058502 ⎘