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IPC Subgroup
C05F 17/9

Apparatus therefor

Introduced: January 2020

Full Title

Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation > Apparatus therefor

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
FERTILISERS; MANUFACTURE THEREOF
Subclass:
ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES , , e.g. FERTILISERS FROM WASTE OR REFUSE

7 direct subcodes

Child Classifications

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  • C05F 17/907 Small-scale devices without mechanical means for feeding or discharging material, e.g. garden compost bins
  • C05F 17/914 Portable or transportable devices, e.g. transport containers or trucks
  • C05F 17/95 Devices in which the material is conveyed essentially vertically between inlet and discharge means
  • C05F 17/957 using two or more serially arranged devices
  • C05F 17/993 Arrangements for measuring process parameters, e.g. temperature, pressure or humidity

Top Applicants

Top 10 applicants by patent filingsfor 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