F03C1/0073 - CPC Classification Index

ClassID:

142259 ⎘

F03C1/0073 - CPC Classification

Classification description:

Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure

Sub-classes:

F03C1/0076 » {the liquid under pressure being continuously delivered to one cylinder chamber through a valve in the piston for actuating the return stroke} 4

Recent Application in this class:

20240280074

2024-08-22

Thermal Energy Storage System Including a Plurality of Vessels Each Having Hot and Cold Liquid Portions Separated by a Floating Piston

20230184207

2023-06-15

Thermal energy storage system including a plurality of vessels each having hot and cold liquid portions separated by a floating piston

20180230963

2018-08-16

Device Which Applies Work To Outside With Environmental Thermal Energy

20150053075

2015-02-26

Reversible hydraulic pressure converter employing tubular valves

20140311334

2014-10-23

Piston pump and motor

17550144

2023-02-14

Thermal energy storage system including a vessel having hot and cold liquid portions separated by floating piston

15954393

2020-08-18

Side inflow and side outflow hydraulic pump