K&N Engineering, Inc.

United States of America


 
Total IP 416
Total IP incl. subs 416 (+ 0 for subs)
Total IP Rank # 3,104
IP Activity Score 3.1/5.0    201
IP Activity Rank # 3,444
Dominant Nice Class Machines and machine tools

Patents

Trademarks

183 115
19 27
28 10
34
 
Last Patent 2025 - Compound air filter
First Patent 1997 - Filter cover
Last Trademark 2022 - K&N
First Trademark 1982 - FILTERCHARGER

Subsidiaries

1 subsidiaries with IP (0 patents, 0 trademarks)

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Electronic carburetor injection. An electronic carburetor injection system is provided for an in...
Invention Air filter for turbochargers and superchargers. An apparatus and a method are provided for an ai...
Invention Mass airflow sensor and hydrocarbon trap combination. A combined mass airflow sensor and hydroca...
Invention Compound air filter. An apparatus and a method are provided for a heating, ventilation, and air ...
Invention Turbo-boost control system. A system and methods for a turbo-boost control system are disclosed ...
Invention Pleat counter. A pleat counter and methods are provided to accurately count the number of pleats...
Invention Sound attenuating engine exhaust system. A sound attenuating engine exhaust system and methods a...
Invention Magnetic cover for air filter box. An apparatus and methods are provided for a magnetic cover for...
Invention Catch can oil filter. An apparatus and a method are provided for a crankcase breather vent assem...
Invention Turbo-boost controlled intake system. A turbo-boost controlled intake system is disclosed that p...
Invention Black air filter oil composition. An air filter oil composition is provided for enhancing airflo...
Invention Portable mass airflow training module. An apparatus and methods are provided for a portable mass...
Invention Air filter with filtered cap. An apparatus and methods are provided for a filtered cap air filte...
Invention Bottom feed fuel bowl. An apparatus and method are provided for a fuel bowl to supply liquid fue...
Invention Curved base air filter. An apparatus and methods are provided for an air cleaner to be mounted o...
Invention Filter oil formulation. A filter oil composition and a method for removing airborne molecular co...
Invention Flangeless air filter. An apparatus and method are provided for a flangeless air filter configur...
Invention Throttle body spacer. An apparatus and methods are provided for a throttle body spacer that impr...
Invention Hvac system air filter. An apparatus and a method are provided for a heating, ventilation, and ai...
2023 Invention Cone air filter. An apparatus and method are provided for a cone air filter for a closed intake ...
Invention Pro stock fuel injection air intake assembly. An apparatus and a method are provided for an air ...
Invention Throttle controlled intake system. A throttle-controlled intake system is disclosed that provides...
Invention Hydrocarbon absorbing air filter box. A hydrocarbon absorbing air filter box is provided for abs...
Invention Air filter precleaner. An apparatus and methods are provided for an air filter precleaner for an ...
Invention Aircharger air intake system and method. An apparatus and a method are provided for an aircharger...
Invention Drone elimination muffler. An apparatus and method are provided for a drone elimination muffler ...
Invention Pleated filter preparation system. A pleated filter preparation system is provided for accurately...
Invention High capacity oil filter. An apparatus and a method are provided for a high capacity oil filter ...
Invention Turbo-boost control system. A system and methods for a turbo-boost control system are disclosed f...
Invention High performance air intake system. An apparatus and method for a heat shield with an integrated...
Invention Curved base air filter. An apparatus and methods are provided for an air cleaner to be mounted on...
Invention Foundation vent cover
Invention Foundation vent cover. An apparatus and methods are provided for a foundation vent cover to be in...
Invention Foundation vent cover. An apparatus and methods are provided for a foundation vent cover to be i...
Invention Throttle body spacer. An apparatus and methods are provided for a throttle body spacer that impro...
Invention Colored air filter medium. An apparatus and methods are provided for an aesthetic air filter to ...
Invention Multiple inlet filtration system. An apparatus and a method are provided for a multiple inlet ai...
2022 Invention Sound generator for electric vehicles. An apparatus and methods are provided for a sound effect g...
Invention Sound generator for electric vehicles. An apparatus and methods are provided for a sound effect ...
Invention Turbo-boost controlled intake system. A turbo-boost controlled intake system is disclosed that pr...
Invention Wing stabilizer charging system. A system and methods are provided for a wing stabilizer chargin...
Invention Super-pleated vehicle air filter. An apparatus and method are provided for an air filter configu...
Invention Engine control unit cooling air box. An apparatus and a method are provided for an air box confi...
Invention Flangeless air filter. An apparatus and method are provided for a flangeless air filter configure...
Invention Mass airflow sensor and hydrocarbon trap combination. A combined mass airflow sensor and hydrocar...
G/S Air filters for motors and engines; air filters for automobiles, motorcycles, trucks, marine craf...
G/S Air filters for motors and engines; air filters for automobiles, motorcycles, trucks, marine cra...
2021 Invention Oil filter-leak pressure-test station. An apparatus and a method are provided for an oil filter-l...
G/S Octane booster fuel chemical additive; diesel booster fuel chemical additive; fuel injection clea...
2020 G/S Face masks for use by health care providers; Masks for use by medical personnel; Sanitary masks f...
G/S Motor oils. Masks for use by medical personnel; Face masks for use by health care providers; Sani...
G/S Motor oils. Face masks for use by health care providers; masks for use by medical personnel; sani...
G/S Motor oils
G/S Sanitary masks for germ isolation purposes; Sanitary masks for medical purposes; Sanitary masks f...
G/S Oil filters for motors and engines
G/S Sanitary masks for germ isolation purposes; Sanitary masks for medical wellness purposes; Sanitar...
G/S Air filters for motors and engines; Air filters for automobiles, motorcycles, trucks, marine craf...
Invention Foam lid insert
G/S Air intakes for vehicle engines, namely, air-intake tubes and manifolds; air filters for vehicle ...
G/S Air intakes for vehicle engines; air filters for vehicle motors and engines. Decals; stickers. A...
2019 G/S Air intakes for vehicle engines; air filters for vehicle motors and engines Decals; stickers Appa...
Invention Side mirror wind turbine
G/S Multi-purpose cleaner and degreasing preparations for air and oil filters and automotive parts; ...
G/S Air filter cleaners; multi-purpose cleaners and degreasing preparations for air and oil filters ...
G/S Air filter cleaners; Multi-purpose cleaners and degreasing preparations for air and oil filters a...
G/S Multi-purpose cleaner and degreasing preparations for air and oil filters and automotive parts Au...
G/S Air filter cleaners; Cleaning preparations for vehicle filters Air filters for motors and engines...
2018 G/S Air filters for vehicle motors and engines.
G/S Air filters for motors and engines; air intakes for motors and engines.
G/S Air filters for motors and engines; air intakes for motors and engines
G/S Air filters for vehicle motors and engines
2017 G/S Fuel injection apparatus for carburetors for use with land vehicle engines; fuel injection system...
G/S Fuel injection apparatus for carburetors for use with land vehicle engines
G/S Air filters for vehicle motors and engines; Air-intake tubes and filters for after-market install...
G/S Air filters for vehicle motors and engines; air-intake tubes and filters for after-market instal...
G/S Air filters for motors and engines; air intakes for motors and engines; air cleaner assemblies fo...
2016 G/S Air filter cleaners. Air filters for engines; air intakes for engines; vehicle parts, namely, thr...
G/S Oil filters; Oil filters for motors and engines.
G/S Oil filters; oil filters for motors and engines.
G/S Air cleaner assemblies for automobile engines and land vehicle engines; intake air boxes for auto...
G/S Air cleaner assemblies for automobile engines and land vehicle engines; intake airboxes for autom...
G/S Air filter cleaners Air filters for engines; air intakes for engines; vehicle parts, namely, thro...
G/S Air filter cleaners Air filters for motors and engines; air intakes for motors and engines; vehic...
G/S Oil filters; Oil filters for motors and engines
2015 G/S Oil filters; oil filters for motors and engines.
G/S Cleaning and degreasing agents and preparations for use in connection with vehicle and vehicle pa...
G/S [ air cleaner assemblies for motors and engines; ] intake airboxes for motors and engines
G/S Air filters for engines; air intakes for engines; intake manifolds for motors.
G/S air filters for engines; air intakes for engines