Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC Subgroup
B22C 1/14

for separating the pattern from the mould

Introduced: September 1968

Last revised: January 2006

Full Title

Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds > characterised by additives for special purposes, e.g. indicators, breakdown additives > for separating the pattern from the mould

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
CASTING; POWDER METALLURGY
Subclass:
FOUNDRY MOULDING

Filing statistics

IPC B22C 1/14 belongs to the parent subclass B22C, which recorded 67,055 patent applications worldwide between 2013 and 2023. Annual filings grew from 3,939 in 2013 to 6,568 in 2023 (+67%), peaking at 8,429 applications in 2020. The most active applicants in class B22 are GE (GENERAL ELECTRIC COMPANY) (1,719 applications), CHINESE ACADEMY OF SCIENCES (1,489 applications) and POSCO (POHANG IRON AND STEEL COMPANY) (1,248 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class B22, 2013–2023, worldwide · Source: EPO PATSTAT

  1. GE (GENERAL ELECTRIC COMPANY) US 1,719
  2. CHINESE ACADEMY OF SCIENCES 1,489
  3. POSCO (POHANG IRON AND STEEL COMPANY) KR 1,248
  4. TOYOTA MOTOR CORPORATION 1,043
  5. SIEMENS DE 1,028
  6. CENTRAL SOUTH UNIVERSITY 959
  7. HEWLETT-PACKARD DEVELOPMENT COMPANY US 891
  8. UNITED TECHNOLOGIES CORPORATION (UTC) US 786
  9. UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING 769
  10. JFE STEEL JP 761