Separation of suspended solid particles from liquids by sedimentation ( ; differential sedimentation B03D3/00; devices for separating or removing fatty or oily substances or similar floating material from water, waste water or sewage C02F1/40)

Child Classifications

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• B01D 21/0003 CPC only CPC only
• B01D 21/0006 CPC only CPC only
• B01D 21/0009 CPC only CPC only
• B01D 21/0012 CPC only CPC only
• B01D 21/0015 CPC only CPC only
• B01D 21/0018 +1 CPC CPC only CPC only
• B01D 21/0024 CPC only CPC only
• B01D 21/0027 CPC only CPC only
• B01D 21/003 +2 CPC CPC only CPC only
• B01D 21/0039 +10 CPC CPC only CPC only
• B01D 21/0084 CPC only CPC only
• B01D 21/0087 CPC only CPC only
• B01D 21/009 CPC only CPC only
• B01D 21/0093 CPC only CPC only
• B01D 21/0096 CPC only CPC only
• B01D 21/01 using flocculating agents (for purifying water C02F1/52; for liquid radioactive waste G21F9/10) IPC+CPC Available in IPC and CPC
• B01D 21/02 Settling tanks IPC+CPC Available in IPC and CPC
• B01D 21/10 +2 CPC CPC only CPC only
• B01D 21/18 Construction of the scrapers or the driving mechanisms for settling tanks +2 CPC IPC+CPC Available in IPC and CPC
• B01D 21/24 Feed or discharge mechanisms for settling tanks +7 CPC IPC+CPC Available in IPC and CPC
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