Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Screw drill bypass valve with large displacement diversion function

Screw drill bypass valve with large displacement diversion function

US Patent 10801282 · Granted Oct 13, 2020

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Engineered polymerases and methods of using the same2025
Fabrication method and use of F40 mm large-size and high-contrast2025
Indoor grey water purification and reuse device, system and method for public bu2025
Electromagnetic reversal downhole pressure intensifier2025
Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient 2024
Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient 2024
Device and method for nondestructively detecting transient characteristic of con2024
Device and method for detecting slot wedge, air gap and broken rotor bar in magn2024
RC oscillator2023
Efficient and intelligent steering drilling system and drilling method2023
Method of fabricating all-dielectric flat lens with low refractive index2022
Drill bit with joint function of induced unloading and abrasive jet and drilling2022