ClassID:

154321

F17C2227/0142 - CPC Classification

Classification description:

Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid; Propulsion of the fluid with pumps or compressors; Pumps with specified pump type, e.g. piston or impulsive type

Recent Application in this class:
#1
20260085673
2026-03-26

CRYOGENIC TANDEM PUMP WITH ASYNCHRONOUS DRIVES, ZERO TANK RETURN

#2
20250389389
2025-12-25

SYSTEMS AND METHODS FOR BUILDING PRESSURE WHEN USING LOW PRESSURE LIQUID HYDROGEN STORAGE

#3
20250383047
2025-12-18

PRESSURE BOOSTING PUMP AND HYDROGEN SUPPLY SYSTEM

#4
20250290602
2025-09-18

LIQUID HYDROGEN PRESSURIZATION AND REFUELING SYSTEM SYNERGISTICALLY DRIVEN BY POWER AND HEAT

#5
20250237359
2025-07-24

MODEL -BASED FAULT DETECTION DEVICE AND METHOD FOR LIQUID HYDROGEN REFUELING SYSTEM USING CUMULATIVE SUM METHOD, AND COMPUTER PROGRAM

#6
20250207726
2025-06-26

A METHOD OF STORING ETHANE

#7
20250198571
2025-06-19

TWO STAGE CRYOGEN COOLING SYSTEM

#8
20250180166
2025-06-05

METHOD AND SYSTEM FOR ZERO BOIL-OFF OPERATION IN LIQUEFIED GAS APPLICATIONS

#9
20250164073
2025-05-22

MEMBRANE TANK FEASIBLE FOR CRYOGENIC SERVICE

#10
20250052373
2025-02-13

CLOSED-LOOP NET POSITIVE SUCTION PRESSURE CONTROL FOR CRYOGENIC LIQUID PUMP

#11
20240360957
2024-10-31

DEVICE FOR SUPPLYING CRYOGENIC FLUID AND INSTALLATION FOR FILLING TANKS

#12
20240353068
2024-10-24

INTEGRALLY-TRANSPORTABLE PURGE CONTAINER AND METHOD OF USING THE INTEGRALLY-TRANSPORTABLE PURGE CONTAINER

#13
20240344664
2024-10-17

PURGE CONTAINER AND METHOD OF USING THE PURGE CONTAINER

#14
20240319293
2024-09-26

SYSTEMS FOR AUTOMATED VOLUMETRY, BLENDING AND DISPENSING OF GAS

#15
20240271753
2024-08-15

METHOD OF OPERATING A COLD CRYOGENIC LIQUID SUPPLY CHAIN

#16
20240230028
2024-07-11

PHASE CHANGE ACCUMULATOR

#17
20240093836
2024-03-21

DEVICE FOR TRANSFERRING LIQUID HELIUM, WITH REDUCED TRANSFER LOSSES

#18
20240083738
2024-03-14

Fuel transfer station and refillable fuel cell for fuel transfer station

#19
20240003494
2024-01-04

Hydrogen supplying device and hydrogen engine vehicle

#20
20230383911
2023-11-30

Cryogenic Fluid Dispensing System and Method

#21
20230324007
2023-10-12

Device and method for filling cryogenic tanks

#22
20230312329
2023-10-05

Fuel transfer station and refillable fuel cell for fuel transfer station

#23
20230160537
2023-05-25

System and a coupled system for filling a cryogen storage vessel with a liquid cryogen

#24
20230160534
2023-05-25

Method for transferring cryogenic fluid using a device for transferring cryogenic fluid

#25
20230160530
2023-05-25

Method for supplying liquid cryogen to multiple cryogen storage vessels installed at different locations

#26
20230160529
2023-05-25

Method of operating a cold cryogenic liquid supply chain

#27
20230073960
2023-03-09

System having cryotank with offset pump housing, method of making and method of using the same

#28
20230015757
2023-01-19

System and method with boil-off management for liquefied gas storage

#29
20220403982
2022-12-22

FILLING STATION FOR GAS CYLINDERS AND MOTOR VEHICLES, AND METHOD

#30
20220205591
2022-06-30

Method for minimizing power demand for hydrogen refueling station

#31
20220154884
2022-05-19

LPG fuel supply system with vapor lock prevention

#32
20220146046
2022-05-12

Device and method for filling cryogenic tanks

#33
20210403180
2021-12-30

Tank for a spacecraft engine

#34
20210313835
2021-10-07

Energy transfer using high-pressure vessel

#35
20210180751
2021-06-17

Portable, cryogenic fluid pump apparatus with associated instrumentation, conduit legs and accessories

#36
20210070604
2021-03-11

Fuel transfer station and refillable fuel cell for fuel transfer station

#37
20200149682
2020-05-14

Cryogenic tank assembly with a pump drive unit disposed within fluid storage vessel

#38
20200114289
2020-04-16

Apparatus and method for filtering cryogenic fluid

#39
20190137039
2019-05-09

LNG VAPORIZATION

#40
20190077651
2019-03-14

Fuel transfer station and refillable fuel cell for fuel transfer station

#41
20190063684
2019-02-28

Ship having gas regasification system

#42
20180119883
2018-05-03

Cryogenic tank assembly with a pump drive unit disposed within fluid storage vessel

#43
20180112629
2018-04-26

Machine system having submersible pumping system, and method

#44
20170167442
2017-06-15

Device, system, and method for pressurizing and supplying fluid

#45
20170058878
2017-03-02

Hydraulic drive system for cryogenic pump

#46
20170037836
2017-02-09

Cryogenic pump for liquefied natural gas

#47
20170030341
2017-02-02

MULTI-PLUNGER CRYOGENIC PUMP HAVING INTAKE MANIFOLD

#48
20160377068
2016-12-29

Hydraulic drive multi-element cryogenic pump

#49
20160223140
2016-08-04

A Tank-Pump Integrated Structure for LNG Filling Station

#50
20160138758
2016-05-19

Above-ground low-temperature tank

#51
20160025042
2016-01-28

Temperature control of a fluid discharged from a heat exchanger

#52
20160017835
2016-01-21

Method and system for delivering a gaseous fuel into the air intake system of an internal combustion engine

#53
20150136043
2015-05-21

LNG vaporization

#54
20150013351
2015-01-15

Cryogenic pumps

#55
20150000755
2015-01-01

Pressurizing device and method

#56
20140261132
2014-09-18

Active volume energy level large scale sub-sea energy fluids storage methods and apparatus for power generation and integration of renewable energy sources

#57
20130153084
2013-06-20

System and compact method of bottling gas

#58
20120317995
2012-12-20

PUMP FOR CONVEYING A CRYOGENIC FLUID

#59
20120234024
2012-09-20

Hybrid pumper

#60
20120216919
2012-08-30

LNG fuel tank system for at least one gas engine used for ship propulsion

#61
20120103602
2012-05-03

Systems, methods, and devices for tagging carbon dioxide stored in geological formations

#62
20120090335
2012-04-19

METHOD AND SYSTEM FOR INSTALLATION AND MAINTENANCE OF A SUBMERGED PUMP

#63
20110297346
2011-12-08

Methods and Systems of Regenerative Heat Exchange

#64
20110185748
2011-08-04

NATURAL GAS SUPPLY METHOD AND APPARATUS

#65
20110056217
2011-03-10

Portable gas filling system

#66
20100230436
2010-09-16

Apparatus and method for monitoring bulk tank cryogenic systems

#67
20100189508
2010-07-29

Method of increasing storage capacity of natural gas storage caverns

#68
20100154439
2010-06-24

Cooling system using positive displacement cryogenic liquid pump

#69
20090293988
2009-12-03

System for Charging and Purging a Compressed Gas Cylinder

#70
20090205745
2009-08-20

Compressor fill method and apparatus

#71
20090199926
2009-08-13

HYDROGEN FUELING

#72
20090126372
2009-05-21

Intermittent De-Icing During Continuous Regasification of a Cryogenic Fluid Using Ambient Air

#73
20080302111
2008-12-11

Apparatus and method for pumping a cryogenic fluid from a storage vessel and diagnosing cryogenic pump performance

#74
20080302109
2008-12-11

Apparatus and method for pumping a fluid from a storage vessel and detecting when the storage vessel is empty

#75
20080110091
2008-05-15

Method and apparatus for delivering natural gas to remote locations

#76
20080047629
2008-02-28

Manually driven transfer pump for liquefied gases

#77
20070214806
2007-09-20

Regasification of LNG using ambient air and supplemental heat

#78
20070201993
2007-08-30

DISPOSABLE PUMPING APPARATUS BASED ON FLEXIBLE VESSELS IN PRESSURIZED CONTAINERS

#79
20070175226
2007-08-02

Gas supply arrangement of a marine vessel and method of providing gas in a gas supply arrangement of a marine vessel

#80
20070065706
2007-03-22

Method and apparatus for filling a fuel container

#81
20070051114
2007-03-08

Gas supply arrangement of a marine vessel and method of controlling gas pressure in a gas supply arrangement of a marine vessel

#82
20060278299
2006-12-14

Method of charging low temperature liquified gas

#83
20060222523
2006-10-05

Compression-evaporation system for liquefied gas

#84
20060156743
2006-07-20

Optimized cryogenic fluid supply method

#85
20060156742
2006-07-20

Cryogenic fluid supply method and apparatus

#86
20060042692
2006-03-02

Liquid displacement shuttle system and method

#87
20050126188
2005-06-16

Method for non-intermittent provision of fluid supercool carbon dioxide at constant pressure above 40 bar as well as the system for implementation of the method

#88
20050115637
2005-06-02

Method and apparatus for filling a fuel container

#89
20050056027
2005-03-17

Method and system for pumping a cryogenic liquid from a storage tank

#90
20050016185
2005-01-27

Liquid and compressed natural gas dispensing system

#91
17878888
2024-01-02

Volatile organic compounds collection system and method