Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › All-metal conical combined screw pump suitable for petroleum field

All-metal conical combined screw pump suitable for petroleum field

US Patent 11841018 · Granted Dec 12, 2023

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fabricating method of displaying base plate, displaying base plate and displayin2024
Coating composition and its uses2024
Display substrate, preparation method thereof, and display panel2024
Food delivery and feeding system2024
Intelligent oil extraction system using all-metal screw pump2024
Intelligent oil extraction system using all-metal screw pump2024
Intelligent oil extraction system using all-metal screw pump2024
Optical detection module, method for manufacturing optical detection module, and2023
Food delivery and feeding system2023
Display panel and electronic apparatus2023
Copper billet horizontal continuous casting apparatus and process with a vertica2023
Luggage rack able to illuminate2022