Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Connection structure between pipe body and steel joint of aluminum alloy drill pipe

Connection structure between pipe body and steel joint of aluminum alloy drill pipe

US Patent 10196863 · Granted Feb 5, 2019

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Apparatus and method for battery SOC estimation2025
Method, apparatus, and device for managing batteries2025
Apparatus and method for battery SOH estimation, method for forming a 2D-LUT the2025
Ultra-high speed time-frequency fourier laser velocimetry method and system2025
Manufacturing method for diffraction grating waveguide of near-eye display2024
Device, method, apparatus and computer readable medium for inter-master node han2024
Railway vehicle and storage battery circuit breaker box thereof2024
Battery piece feeding device and soldering stringer2024
LED lamp2024
Self-adaptive heavy-duty gear transmission walking device2023
Beam coherence eliminating element2023
Silicon nitride phased array chip based on a suspended waveguide structure2023