F04B53/1057 - CPC Classification Index

ClassID:

143186 ⎘

F04B53/1057 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups - or - ; Valves; Arrangement of valves; Flap valves the valve being formed by one or more flexible elements the valve being a tube, e.g. normally closed at one end

Recent Application in this class:

20250027493

PUMP BODY ASSEMBLY AND BOOSTER ENERGY-SAVING WATER PUMP WITH THE SAME

20210123430

RECIPROCATING VOLUME PUMP

20200158105

Diaphragm pump utilizing duckbill valves, multi-directional ports and flexible electrical connectivity

20180056663

Check valve, diaphragm pump, and printing apparatus

20060159565

Method and system for pumping powder, and powder coating apparatus