Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Compositions, system and methods for introducing POE lubricant into an electric (HEV, PHEV, EV) automotive air-conditioning/heating system or stationary air-conditioning/heating system or stationary refrigeration system using lower or low GWP refrigerant or refrigerant blends

US Patent 12441949 · Granted Oct 14, 2025

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →