Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Heat transfer machine

Heat transfer machine

US Patent D935493 · Granted Nov 9, 2021

Assignee

No assignee recorded.

Inventors

Zhi Cheng (5 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Method, system, and device for describing relationship between objects in a thre2024

OLED display device, and method for controlling the OLED display device2021

Solid solution comprising (6S)-5-methyl tetrahydrofolic acid or salt thereof, an2019

Compound JK12A and preparation thereof2015

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly