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IPC Subgroup
F02N 19/04

by heating of fluids used in engines

Introduced: January 2010

Full Title

Starting aids for combustion engines, not otherwise provided for > Aiding engine start by thermal means, e.g. using lighted wicks > by heating of fluids used in engines

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Subclass:
STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR

2 direct subcodes

Child Classifications

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  • F02N 19/1 by heating of engine coolants

Top Applicants

Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TOYOTA MOTOR CORPORATION 8,687
  2. ROBERT BOSCH DE 8,328
  3. FORD GLOBAL TECHNOLOGIES US 7,423
  4. GE (GENERAL ELECTRIC COMPANY) US 5,732
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
  6. HYUNDAI MOTOR COMPANY KR 4,699
  7. TOYOTA MOTOR CORPORATION JP 4,541
  8. DENSO CORPORATION 3,711
  9. WEICHAI POWER COMPANY 3,486
  10. SAFRAN AIRCRAFT ENGINES FR 3,249