F01P COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
Introduced: September 1968
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
Description
F01P covers cooling systems and methods for heat dissipation in machines and engines, with particular emphasis on internal-combustion engines. This includes cooling apparatus such as radiators, heat exchangers, cooling fans, thermostatic controls, and liquid or air cooling circuits designed to maintain optimal operating temperatures. The classification encompasses both the mechanical components and functional designs of cooling systems across various engine types and industrial applications. Related cooling systems for specific engine categories (e.g., steam engines, turbines) may fall under their respective engine-specific classifications.
Related Keywords
6 direct subcodes
Child Classifications
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- F01P 1/00 Air cooling
- F01P 11/00 Component parts, details, or accessories, not provided for in, or of interest apart from, groups
- F01P 3/00 Liquid cooling
- F01P 5/00 Pumping cooling-air or liquid coolants
- F01P 7/00 Controlling of coolant flow
- F01P 9/00 Cooling having pertinent characteristics not provided for in, or of interest apart from, groups
Top Applicants
Top 10 applicants by patent filingsfor class F01, 2013–2023, worldwide · Source: EPO PATSTAT
- GE (GENERAL ELECTRIC COMPANY) US 8,496
- UNITED TECHNOLOGIES CORPORATION (UTC) US 7,291
- SAFRAN AIRCRAFT ENGINES FR 5,503
- TOYOTA MOTOR CORPORATION 4,556
- SIEMENS DE 3,992
- HYUNDAI MOTOR COMPANY KR 3,929
- RAYTHEON TECHNOLOGIES CORPORATION US 3,534
- FORD GLOBAL TECHNOLOGIES US 3,407
- TOYOTA MOTOR CORPORATION JP 3,042
- WEICHAI POWER COMPANY 2,888