Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Active hydrocarbon trap for reduction of emissions from internal combustion engines using a four valve configuration

Active hydrocarbon trap for reduction of emissions from internal combustion engines using a four valve configuration

US Patent 12480433 · Granted Nov 25, 2025

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for onboard carbon capture using CO2 stripping and heat recovery2025
Process for onboard carbon capture using CO2 stripping and heat recovery2025
Active hydrocarbon trap for reduction of emissions from internal combustion engi2025
Active hydrocarbon trap for reduction of emissions from internal combustion engi2025
Active hydrocarbon trap for reduction of emissions from internal combustion engi2025
Active hydrocarbon trap for reduction of emissions from internal combustion engi2025
Process for capturing CO2 from a mobile source using exhaust heat2025
Process for capturing CO2 from a mobile source using exhaust heat2025
Method to generate highly accurate thermodynamic and physical fluid properties o2025
Active hydrocarbon trap for reduction of emissions from internal combustion engi2025
Active hydrocarbon trap for reduction of emissions from internal combustion engi2025
Active hydrocarbon trap for reduction of emissions from internal combustion engi2025