Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Dual-system device and writing method and apparatus thereof, and interactive intelligent tablet

Dual-system device and writing method and apparatus thereof, and interactive intelligent tablet

US Patent 11614912 · Granted Mar 28, 2023

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for dynamic human-computer interaction2024
Method and apparatus for action recognition2023
Electronic apparatus and method for controlling thereof2023
Video searching2018
Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters2016
Water-based mud lubricant using fatty acid polyamine salts and fatty acid esters2013
Drilling fluids with redispersible polymer powders2011
Method and drilling fluid systems and lost circulation pills adapted to maintain2010
Invert emulsion drilling fluid systems comprising an emulsified aqueous phase co2010
Methods for reducing circulation loss during drilling operations2009
Water-based drilling fluids using latex additives2008
Fluid loss control and sealing agent for drilling depleted sand formations2007