ClassID:

142933

F04B35/004 - CPC Classification

Classification description:

Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by floating elements

Recent Application in this class:
#1
20250334110
2025-10-30

WAVE DRIVEN VARIABLE LEVERAGE PUMP FOR WATER DESALINATION

#2
20240183346
2024-06-06

Wave driven variable leverage pump for water desalination

#3
20230374981
2023-11-23

Systems and methods for water pumping and desalination

#4
20230204018
2023-06-29

Compressor for compressing high-pressured fluids

#5
20230142416
2023-05-11

Wave driven variable leverage pump for water desalination

#6
20210355925
2021-11-18

Wave-powered generator

#7
20190234370
2019-08-01

Producing compressed air from ocean waves

#8
20190063414
2019-02-28

Pressurized fluid supply apparatus and method of supplying pressurized fluid

#9
20180356131
2018-12-13

Cryocooler with magnetic reciprocating piston

#10
20160281675
2016-09-29

Energy concentration device

#11
20140369864
2014-12-18

Semi-submerged devise for absorbing the energy of the waves

#12
20130142683
2013-06-06

Electric motor thermal energy isolation

#13
20120191264
2012-07-26

Hydroelectric power optimization

#14
20120074702
2012-03-29

Appratus generating electricity to marine vehicle

#15
20110268591
2011-11-03

Wave powered pumping apparatus

#16
20110158827
2011-06-30

Wave driven air compressor

#17
20110081259
2011-04-07

WAVE-POWERED, RECIPROCATING HOSE PERISTALTIC PUMP

#18
20100158717
2010-06-24

Vapor recovery gas pressure boosters and methods and systems for using same

#19
20100054970
2010-03-04

Portable, remote electromagnetic power system

#20
20100043424
2010-02-25

System for generating electrical power and potable water from sea waves

#21
20090284014
2009-11-19

Wave transduce having variable energy piston assembly

#22
20090250934
2009-10-08

Plant for the production of electric power from the movement of waves

#23
20090226331
2009-09-10

Wave energy accumulator

#24
20090081055
2009-03-26

Wave powered pumping apparatus

#25
20080260548
2008-10-23

Wave energy converter

#26
20080175728
2008-07-24

Oceanic Layers Modification Methods, Apparatus, Systems and Applications

#27
20080101963
2008-05-01

Buoyancy pump device

#28
20050271524
2005-12-08

Buoyancy and weight transducer system

#29
20050169774
2005-08-04

Buoyancy pump device

#30
20050158184
2005-07-21

Pressure reservoir structure for use in water

#31
20050129537
2005-06-16

Wave's power-station

#32
17249385
2021-12-28

Integrated system for optimal continuous extraction of potential energy derived from waves