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IPC Main Group
B08B 15/00

Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
CLEANING
Subclass:
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL

Filing statistics

IPC B08B 15/00 belongs to the parent subclass B08B, which recorded 711,919 patent applications worldwide between 2013 and 2023. Annual filings grew from 12,083 in 2013 to 128,011 in 2023 (+959%). The most active applicants in class B08 are SGCC(STATE GRID CORPORATION OF CHINA) (1,817 applications), SCREEN HOLDINGS (591 applications) and TOKYO ELECTRON (558 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapours from such vessels Removing cooking fumes from domestic stoves or ranges

Related Keywords

preventing escape of DIRT in fumespreventing escape of dirt or FUMES

2 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class B08, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 1,817
  2. SCREEN HOLDINGS JP 591
  3. TOKYO ELECTRON JP 558
  4. CHONGQING RUNZE PHARMACEUTICAL COMPANY 547
  5. APPLIED MATERIALS US 506
  6. CHINESE ACADEMY OF SCIENCES 490
  7. SEMES COMPANY KR 464
  8. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 411
  9. ECOLAB US 380
  10. PETROCHINA COMPANY 369