Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Intake air heater for internal combustion engine with perforated plate heater element partially traversing air passage

Intake air heater for internal combustion engine with perforated plate heater element partially traversing air passage

US Patent 4685437 · Granted Aug 11, 1987

Estimated economic value: $54,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Solenoid valve2025
Bubble generation device and liquid filtration device2025
Sensor-equipped seat2025
Bubble generation device and liquid filtration device2025
Electrostatic transducer and electrostatic transducer unit2025
Vehicle system for detecting level differences and implementing override control2025
Time measurement device and time measurement unit2025
Filtration membrane unit, holder holding same, filtration system including filtr2025
Joint member and method for producing joint member2025
Copper paste, wick formation method, and heat pipe2025
Distance measuring device, vehicle-mounted system, and distance measuring method2024
Cluster supported catalyst and production method therefor2024