Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Using horizontal directional drilling and liquid nitrogen cyclic freeze-thaw process to improve permeability in gas drainage

Using horizontal directional drilling and liquid nitrogen cyclic freeze-thaw process to improve permeability in gas drainage

US Patent 10577891 · Granted Mar 3, 2020

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electronic device, speech recognition method therefor, and medium2025
Acoustic wave-based full-sea-depth-covering undersea wireless charging method an2025
Speech separation method, electronic device, chip, and computer- readable storag2025
Directionally assembled flexible MOF hydrogel, and preparation method and proton2025
Method for determining validity of facial feature, and electronic device2025
Bimetallic metal-organic frameworks nanosheet based on zeolite imidazole framewo2024
Cracking permeability increasing method combining hydraulic fracturing and metha2024
Curved liquid crystal display panel and curved display device2024
Curved liquid crystal display panel and curved display device2024
Liquid-liquid phase separation driven protein-based underwater adhesive coatings2024
Amyloid-based fundamental building material with integrated genetically programm2024
Liquid explosive for in-situ explosive fracturing in low-permeability oilfields 2024