Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B02C 23/24

Passing gas through crushing or disintegrating zone (, B02C23/38, B02C23/40 take precedence)

Introduced: July 1974

Title

Titles differ between systems:

IPC: Passing gas through crushing or disintegrating zone

CPC: Passing gas through crushing or disintegrating zone (, B02C23/38, B02C23/40 take precedence)

Full Title

Full titles differ between systems:

IPC:

Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in groups or not specially adapted to apparatus covered by one only of groups > Adding fluid, other than for crushing or disintegrating by fluid energy > Passing gas through crushing or disintegrating zone

CPC:

Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group ( separating or sorting in general B03, B04, B07) > Adding fluid, other than for crushing or disintegrating by fluid energy ( feeding devices B02C23/02) > Passing gas through crushing or disintegrating zone (, B02C23/38, B02C23/40 take precedence)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

Navigate with arrow keys, Enter to open

  • B02C 23/26 characterised by point of gas entry or exit or by gas flow path since 1974 IPC+CPC Available in IPC and CPC
  • B02C 23/28 gas moving means being integral with, or attached to, crushing or disintegrating element since 1974 IPC+CPC Available in IPC and CPC
  • B02C 23/30 the applied gas acting to effect material separation (B02C23/34 takes precedence) since 1974 IPC+CPC Available in IPC and CPC
  • B02C 23/32 with return of oversize material to crushing or disintegrating zone (B02C23/34 takes precedence) since 1974 IPC+CPC Available in IPC and CPC
  • B02C 23/34 gas being recirculated to crushing or disintegrating zone since 1974 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B02,2013–2023, worldwide · Source: EPO PATSTAT

  1. SANDVIK INTELLECTUAL PROPERTY SE 503
  2. THYSSENKRUPP INDUSTRIAL SOLUTIONS DE 498
  3. THYSSEN KRUPP DE 382
  4. ZHEJIANG ZHE KUANG HEAVY INDUSTRIES COMPANY 239
  5. FLSMIDTH DK 239
  6. ZAOZHUANG SNKSAN INTELLIGENT MACHINERY COMPANY 230
  7. KMUST (KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY) 202
  8. METSO MINERALS FI 195
  9. BUEHLER CH 189
  10. ISEKI & CO 186

Top Applicants (CPC)

Class B02,2013–2023, worldwide · Source: EPO PATSTAT

  1. SANDVIK INTELLECTUAL PROPERTY SE 543
  2. THYSSENKRUPP INDUSTRIAL SOLUTIONS DE 517
  3. THYSSEN KRUPP DE 398
  4. FLSMIDTH DK 262
  5. METSO MINERALS FI 227
  6. BUEHLER CH 200
  7. METSO MINERALS INDUSTRIES US 195
  8. METSO OUTOTEC FINLAND FI 191
  9. NETZSCH-FEINMAHLTECHNIK DE 189
  10. ZAOZHUANG SNKSAN INTELLIGENT MACHINERY COMPANY 165