Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C05F 17/971

for feeding or discharging materials to be treated; for feeding or discharging other material

Introduced: January 2020

Title

Titles differ between systems:

IPC: for feeding or discharging material to be treated; for feeding or discharging other material

CPC: for feeding or discharging materials to be treated; for feeding or discharging other material

Full Title

Full titles differ between systems:

IPC:

Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation > Apparatus therefor > Constructional parts, e.g. floors, covers or doors > for feeding or discharging material to be treated; for feeding or discharging other material

CPC:

Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation > Apparatus therefor > Constructional parts, e.g. floors, covers or doors > for feeding or discharging materials to be treated; for feeding or discharging other material

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 2020.

Child Classifications

Navigate with arrow keys, Enter to open

  • C05F 17/979 the other material being gaseous since 2020 IPC+CPC Available in IPC and CPC
  • C05F 17/986 the other material being liquid since 2020 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C05,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 895
  2. BASF (BADISCHE ANILIN & SODA FABRIK) DE 387
  3. GUIZHOU UNIVERSITY 386
  4. YARA INTERNATIONAL NO 380
  5. SHENZHEN BATIAN ECOTYPIC ENGINEERING COMPANY 378
  6. SHANDONG SUNWAY LANDSCAPE TECHNOLOGY COMPANY 327
  7. GUILIN JIEYU ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY COMPANY 283
  8. CHINA AGRICULTURAL UNIVERSITY 271
  9. GUANGXI UNIVERSITY 266
  10. NANJING AGRICULTURAL UNIVERSITY 231

Top Applicants (CPC)

Class C05,2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 654
  2. BASF (BADISCHE ANILIN & SODA FABRIK) DE 452
  3. YARA INTERNATIONAL NO 434
  4. SHANDONG SUNWAY LANDSCAPE TECHNOLOGY COMPANY 315
  5. SHENZHEN BATIAN ECOTYPIC ENGINEERING COMPANY 253
  6. GUIZHOU UNIVERSITY 251
  7. GUILIN JIEYU ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY COMPANY 236
  8. GUANGXI ACADEMY OF AGRICULTURAL SCIENCES 205
  9. CHINA AGRICULTURAL UNIVERSITY 197
  10. KOCH AGRONOMIC SERVICES US 194