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IPC Main Group
F24H 7/00

Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release

Introduced: September 1968

Last revised: January 2022

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
HEATING; RANGES; VENTILATING
Subclass:
FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL

Filing statistics

IPC F24H 7/00 belongs to the parent subclass F24H, which recorded 123,801 patent applications worldwide between 2013 and 2023. Annual filings grew from 7,646 in 2013 to 11,949 in 2023 (+56%), peaking at 14,672 applications in 2020. The most active applicants in class F24 are MIDEA (21,834 applications), GREE ELECTRIC APPLIANCES (21,535 applications) and GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY (20,870 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

STORAGE heaters

2 direct subcodes

Child Classifications

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  • F24H 7/06 the released heat being radiated

Top Applicants

Top 10 applicants by patent filingsfor class F24, 2013–2023, worldwide · Source: EPO PATSTAT

  1. MIDEA 21,834
  2. GREE ELECTRIC APPLIANCES 21,535
  3. GUANGDONG MIDEA REFRIGERATION EQUIPMENT COMPANY 20,870
  4. QINGDAO HAIER AIR CONDITIONER COMPANY 15,443
  5. HAIER SMART HOME 15,442
  6. QINGDAO HAIER AIR CONDITIONER ELECTRIC COMPANY 10,008
  7. AUX AIR CONDITIONING COMPANY 7,723
  8. NINGBO AUX ELECTRIC COMPANY 7,499
  9. NINGBO FOTILE KITCHENWARE COMPANY 6,712
  10. LG ELECTRONICS KR 6,441