Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Toner cartridge having a variable volume pump and a feeding path from the pump portion to a discharge opening

Toner cartridge having a variable volume pump and a feeding path from the pump portion to a discharge opening

US Patent 11815830 · Granted Nov 14, 2023

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Image forming apparatus with pump portion for generating air to move toner to to2025
Image forming apparatus with pump portion for generating air to move toner to to2025
Process unit including first, second and third conveyance members for conveying 2025
Developer replenishing device and image forming apparatus2025
Developer replenishing device and image forming apparatus2025
Drum unit, cartridge and coupling member2025
Cartridge including pressed portion to be pressed by a pressing portion of an im2025
Cartridge, attachment and mounting kit2025
Developer replenishment device and image forming apparatus2024
Developer replenishment device and image forming apparatus2024
Drum unit, cartridge and coupling member2024
Image forming apparatus2024