F04C2230/80 - CPC Classification Index

#1

20220349400

2022-11-03

Scroll fluid machine having separable main body unit and motor unit

#2

20220099093

2022-03-31

Oil-lubricated rotary vane vacuum pump

#3

20210025390

2021-01-28

METHOD AND APPARATUS RELATED TO SERVICING OF LIQUID RING PUMPS

#4

20200256334

2020-08-13

Dismounting device for progressive cavity pumps

#5

20200114478

2020-04-16

Repair of cast iron bore inner diameter surfaces

#6

20200011325

2020-01-09

Stator assembly for a progressive cavity pump or a progressive cavity motor as well as method for manufacturing and repairing the same

#7

20190316583

2019-10-17

Eccentric screw pump with telescoping housing

#8

20190219144

2019-07-18

Cam liner for integrated drive generator

#9

20190195220

2019-06-27

Progressing cavity pump and methods of operation

#10

20190107108

2019-04-11

REMANUFACTURING A TRANSMISSION PUMP ASSEMBLY

#11

20180328358

2018-11-15

Scroll fluid machine having separable main body unit and motor unit

#12

20180223598

2018-08-09

Lobed rotor with circular section for fluid-driving apparatus

#13

20180216461

2018-08-02

Scroll-type fluid machine and maintenance method for same

#14

20180142554

2018-05-24

Oil-lubricated slide vane rotary vacuum pump with oil separating and reconditioning device

#15

20180017054

2018-01-18

Progressive cavity pump and method for operating same in boreholes

#16

20170130714

2017-05-11

Remanufacturing a transmission pump assembly

#17

20170114785

2017-04-27

Screw spindle pump

#18

20170008134

2017-01-12

Method and kit for gerotor repair

#19

20160290331

2016-10-06

Pumping block device having an integrated bypass circuit

#20

20160201674

2016-07-14

Scroll vacuum pump and method of maintenance including replacing a tip seal of a scroll vacuum pump

#21

20160108912

2016-04-21

Progressive cavity pump and method for operating same in boreholes

#22

20140331856

2014-11-13

Piston with replaceable and/or adjustable surfaces

#23

20140322055

2014-10-30

Scroll vacuum pump and method of maintenance including replacing a tip seal of a scroll vacuum pump

#24

20140295059

2014-10-02

Refurbishment process of the pumping unit in a volumetric screw compressor of the ‘oil free’ type

#25

20130251581

2013-09-26

Two-spindle pump of single-flow construction

#26

20130149179

2013-06-13

Scroll fluid machine having a communication hole connecting an oil supply port with a first bearing to open towards a fixed scroll and being on a radially outer side of an orbiting end plate

#27

20130108500

2013-05-02

REBUILDABLE CASSETTE ASSEMBLY FOR DISPLACEMENT PUMP

#28

20120252335

2012-10-04

Meat processing assembly

#29

20120252334

2012-10-04

Meat processing assembly

#30

20120252333

2012-10-04

Meat processing assembly

#31

20120252332

2012-10-04

MEAT PROCESSING ASSEMBLY

#32

20120252331

2012-10-04

MEAT PROCESSING ASSEMBLY

#33

20120100027

2012-04-26

Internal-Rotation Type Gear Pump and Method of Assembling and Repairing an Internal-Rotation Type Gear Pump

#34

20110293459

2011-12-01

Screw pump with field refurbishment provisions

#35

20110262288

2011-10-27

WEAR PLATE KIT FOR BRASS WATER PUMP

#36

20110243782

2011-10-06

Soft Serve Ice Cream Pump Enhancers

#37

20110097980

2011-04-28

Meat processing assembly

#38

20110052436

2011-03-03

Rotary lobe pump with angular gear

#39

20100254843

2010-10-07

Scroll compressor having rearwardly directed fluid inlet and outlet

#40

20100180609

2010-07-22

Compressor service tool

#41

20100150764

2010-06-17

Pump having modular shaft bearings and seals

#42

20100124512

2010-05-20

Method for timing a polymer pump containing polymer

#43

20090220371

2009-09-03

METHODS FOR DIMENSIONAL RESTORATION OF ROOTS TYPE BLOWER ROTORS, RESTORED ROTORS, AND APPARATUS HAVING RESTORED ROTOR

#44

20090126924

2009-05-21

FLUSH-BY SYSTEM

#45

20080000083

2008-01-03

PROCESS FOR LINING A FLUID HELICAL DEVICE STATOR

#46

20070116589

2007-05-24

Method and apparatus for compressor re-manufacture

#47

20050095161

2005-05-05

Rotary vane compressor with interchangeable end plates