ClassID:

145185

F05C2225/04 - CPC Classification

Classification description:

Synthetic polymers, e.g. plastics; Rubber PTFE [PolyTetraFluorEthylene]

Recent Application in this class:
#1
20250352962
2025-11-20

SYSTEMS AND METHODS RELATED TO FLUID PUMPING

#2
20250122874
2025-04-17

SCROLL COMPRESSOR AND METHOD FOR PRODUCING ECCENTRIC BUSH NECESSARY FOR SCROLL COMPRESSOR

#3
20240109044
2024-04-04

Systems and methods related to fluid pumping

#4
20220397115
2022-12-15

Scroll pump having a biasing apparatus for axially movable fixed and orbiting scrolls against each other via first and second pads that formed material from fixed and orbiting scrolls

#5
20220397113
2022-12-15

Hypotrochoid positive-displacement machine

#6
20220065192
2022-03-03

Coating to reduce coking deposits on steel pistons

#7
20220034322
2022-02-03

Sealing structure and scroll air compressor having same

#8
20210156371
2021-05-27

Piston ring and compressor

#9
20200056609
2020-02-20

Eccentric screw pump

#10
20200025190
2020-01-23

Tubing retention mechanism usable with a peristaltic pump

#11
20190383290
2019-12-19

Compressor system with purge gas system

#12
20190257305
2019-08-22

Pump chemical compatibility management system

#13
20190257265
2019-08-22

Coating to reduce coking deposits on steel pistons

#14
20190063604
2019-02-28

Piston for internal combustion engine

#15
20190009229
2019-01-10

Systems and methods related to fluid pumping

#16
20180306326
2018-10-25

Seal assembly

#17
20180201869
2018-07-19

Lubricating coating composition and compressor including the same

#18
20180073502
2018-03-15

RECIPROCATING PISTON PUMP AND METHOD OF MANUFACTURE

#19
20170306956
2017-10-26

Scroll compressor with coated sliding surface

#20
20170292519
2017-10-12

Compressor having sound isolation feature

#21
20170292518
2017-10-12

Compressor having sound isolation feature

#22
20170096998
2017-04-06

Pump with wear-resistant barrel and plunger having coating support

#23
20160222959
2016-08-04

Pump with plunger having tribological coating

#24
20160060564
2016-03-03

Lubricating coating composition and compressor including the same

#25
20150316058
2015-11-05

Scroll compressor

#26
20150225593
2015-08-13

Method for smoothing a perfluoro alkoxy alkane film surface

#27
20150152868
2015-06-04

Compressor having sound isolation feature

#28
20140301880
2014-10-09

Scroll compressor

#29
20140248172
2014-09-04

Scroll compressor including a sealing member

#30
20140086776
2014-03-27

Surface treating agent for wear-resistance surface, manufacturing method thereof and compressor using the same

#31
20130319222
2013-12-05

Sealing element for a rotary piston machine

#32
20130174724
2013-07-11

Swash plate for swash plate compressor and swash plate compressor

#33
20130164154
2013-06-27

Elastomer compositions with silane functionalized silica as reinforcing fillers

#34
20120288392
2012-11-15

Composite metal-polymer bushing and crankshaft assembly

#35
20120269645
2012-10-25

WIND TURBINE COMPONENT HAVING AN EXPOSED SURFACE MADE OF A HYDROPHOBIC MATERIAL

#36
20120219448
2012-08-30

Adjustable rotary pump with reduced wear

#37
20120103182
2012-05-03

Slide parts and equipment including same

#38
20120034118
2012-02-09

Fluorinated Elastic Tube

#39
20120015109
2012-01-19

FLUOROPOLYMER-CONTAINING FILMS FOR USE WITH POSITIVE-DISPLACEMENT FLUID PUMPS

#40
20110243782
2011-10-06

Soft Serve Ice Cream Pump Enhancers

#41
20110182760
2011-07-28

Adjustable rotary pump with reduced wear

#42
20110097593
2011-04-28

PTFE-based sliding material, bearing, and method for producing PTFE-based sliding material

#43
20110011123
2011-01-20

REFRIGERATION APPARATUS

#44
20100239448
2010-09-23

FKM OR FFKM MULTIPLE LAYERS SEAL

#45
20100233007
2010-09-16

Gear pump

#46
20100166582
2010-07-01

Polymer material and seals formed thereof for high pressure pump applications

#47
20100150765
2010-06-17

Interlocking device for holding body and flange of machines using bean-shaped dowels

#48
20100132381
2010-06-03

LOW WEAR PISTON SLEEVE

#49
20100074776
2010-03-25

Subsea chemical injection system and pumps therefor

#50
20100008803
2010-01-14

HIGH-PRESSURE SMALL VOLUME PUMP

#51
20090252620
2009-10-08

Reinforced smart mud pump

#52
20090199809
2009-08-13

Fluid machine

#53
20090193966
2009-08-06

Compressor Piston

#54
20090053081
2009-02-26

PUMP DIAPHRAGM

#55
20090028727
2009-01-29

Diluter pump for chemistry analyzers

#56
20090016893
2009-01-15

Skinning of progressive cavity apparatus

#57
20090014678
2009-01-15

Elastomeric Sealing Element for Gas Compressor Valve

#58
20080304989
2008-12-11

Compression Device for Gaseous Media

#59
20080295796
2008-12-04

Cylinder head cover

#60
20080271712
2008-11-06

CARBON DEPOSIT RESISTANT COMPONENT

#61
20080248269
2008-10-09

Slide Member for Compressor

#62
20080247896
2008-10-09

Fluoropolymer-containing films for use with positive-displacement fluid pumps

#63
20080247895
2008-10-09

Injection molded scroll form

#64
20080226478
2008-09-18

Metering pump with a protected pump chamber

#65
20080214415
2008-09-04

Composition for Sliding Element, Sliding Element and Fluid Machine

#66
20080194437
2008-08-14

Slide member and process for producing slide member

#67
20080110753
2008-05-15

Device For Handling Drops For Biochemical Analysis, Method For Producing Said Device And A System For Microfluidic Analysis

#68
20080025861
2008-01-31

Sliding Element and Fluid Machine

#69
20080020178
2008-01-24

Laminate membrane

#70
20070292294
2007-12-20

Scroll compressor with thrustplate peeling prevention

#71
20070277671
2007-12-06

Plastic shoes for compressors

#72
20070258829
2007-11-08

Peristaltic pump with flow control

#73
20070248481
2007-10-25

ADJUSTABLE ROTARY PUMP WITH REDUCED WEAR

#74
20070240564
2007-10-18

Piston, method of producing the piston, and pump having the piston

#75
20070224063
2007-09-27

Peristaltic pump, method for manufacturing a hose therefor, and hose for such a pump

#76
20070207047
2007-09-06

Tip seal in a scroll fluid machine

#77
20070204613
2007-09-06

Actuator with a wound shape-memory element

#78
20070186578
2007-08-16

Air compressor and expander

#79
20070176372
2007-08-02

Composite material and seals formed thereof

#80
20070157799
2007-07-12

Compressor piston ball pocket coating

#81
20070090606
2007-04-26

Low wear piston sleeve

#82
20070041860
2007-02-22

Rotary vane air pump

#83
20070031275
2007-02-08

Fluid machinery

#84
20070025866
2007-02-01

Fluid pump assembly

#85
20060260583
2006-11-23

Engine with carbon deposit resistant component

#86
20060093490
2006-05-04

High-pressure pump for a fuel injection system of an internal combustion engine

#87
20060090579
2006-05-04

Positive displacement pump gear

#88
20060088427
2006-04-27

Roots compressor

#89
20060070960
2006-04-06

Apparatus and methods for pumping high viscosity fluids

#90
20060024188
2006-02-02

Gear pump

#91
20060024187
2006-02-02

Hydraulic pump

#92
20060018777
2006-01-26

Fluoroplastic composite elastomer

#93
20050276705
2005-12-15

Positive displacement pump having piston and/or liner with vapor deposited polymer surface

#94
20050254969
2005-11-17

Vacuum pump

#95
20050232792
2005-10-20

High-pressure small volume pump

#96
20050196287
2005-09-08

Flexible sleeve syringe and system

#97
20050188839
2005-09-01

Oilless reciprocating air compressor

#98
20050127610
2005-06-16

Reduced-wear sealing element

#99
20050123758
2005-06-09

Self-lubricating plastics material for sealing elements

#100
20050053509
2005-03-10

Hinged-vane rotary pump

#101
20050042124
2005-02-24

Small size gear pump

#102
20050018936
2005-01-27

Bearing and screw compressor