CPC Subgroup
C05F 17/90 Apparatus therefor
Full Title
Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation > Apparatus therefor
8 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 17/921 Devices in which the material is conveyed essentially horizontally between inlet and discharge means
- 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 17/964 Constructional parts, e.g. floors, covers or doors
- 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
- CHINESE ACADEMY OF SCIENCES 654
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 452
- YARA INTERNATIONAL NO 434
- SHANDONG SUNWAY LANDSCAPE TECHNOLOGY COMPANY 315
- SHENZHEN BATIAN ECOTYPIC ENGINEERING COMPANY 253
- GUIZHOU UNIVERSITY 251
- GUILIN JIEYU ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY COMPANY 236
- GUANGXI ACADEMY OF AGRICULTURAL SCIENCES 205
- CHINA AGRICULTURAL UNIVERSITY 197
- KOCH AGRONOMIC SERVICES US 194