Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Center-pillared full-face shaft drilling machine

Center-pillared full-face shaft drilling machine

US Patent 9995086 · Granted Jun 12, 2018

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Anti-rebound protection device and circuit breaker comprising the same2025
Strong salt-resistant self-degradation plugging agent for water-based drilling f2025
Designed method for satellite navigation signal system with mixed modulation of 2025
Connection lock for prefabricated components2025
Heated glove2025
Method of interfacing discrete digital workshop information system2025
Mechanical lock for building component connection2025
Always on display method and mobile device2024
Ferromagnetic harmonic elimination method for active matched resistance voltage 2024
Interrupt based pairing for wireless audio devices2024
Assembled subway station and construction method thereof2024
Electric heating glove2024