Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Marine engine exhaust system having secondary air injection

Marine engine exhaust system having secondary air injection

US Patent 11111838 · Granted Sep 7, 2021

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Jet pump assembly and method of securing jet pump assembly to pontoon boat2025
Jet pump assembly and method of securing jet pump assembly to boat hull2023
Jet pump2022
Method of injecting secondary air into an exhaust gas stream of a marine engine2022
Method of injecting secondary air into an exhaust gas stream of a marine engine2022
Method of injecting secondary air into an exhaust gas stream of a marine engine2022
Method of injecting secondary air into an exhaust gas stream of a marine engine2022
Method of injecting secondary air into an exhaust gas stream of a marine engine2022
Heat shield for a marine engine exhaust system2022
Heat exchange systems for engine-powered watercraft and methods of using same2021
Heat exchange systems for engine-powered watercraft and methods of using same2021
Heat shield for a marine engine exhaust system2021