Patents-Review.com
ClassID:

143403 ⎘

F04C2/02 - CPC Classification

Classification description:

Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents

Sub-classes:
Recent Application in this class:
#1
20260083958
2026-03-26

FLUID PUMP CHANGEABLE IN DIAMETER, IN PARTICULAR FOR MEDICAL APPLICATION

 #2
20240149048
2024-05-09

FLUID PUMP CHANGEABLE IN DIAMETER, IN PARTICULAR FOR MEDICAL APPLICATION

 #3
20230279858
2023-09-07

Boundary-layer pump and method of use

 #4
20230241372
2023-08-03

Fluid pump changeable in diameter, in particular for medical application

 #5
20220233839
2022-07-28

Fluid pump changeable in diameter, in particular for medical application

 #6
20220082094
2022-03-17

Pump body assembly, compressor and air conditioner

 #7
20210242744
2021-08-05

Magnetic bearing cooling management

 #8
20210162198
2021-06-03

Fluid pump changeable in diameter, in particular for medical application

 #9
20190336664
2019-11-07

Fluid pump changeable in diameter, in particular for medical application

 #10
20190242371
2019-08-08

Pump unit comprising an outer part, an inner part, and a top part with a piston, wherein the piston extends into the inner part and the top part is arranged to perform a scrolling movement whereby the inner part is caused to slide in a first direction relative to the outer part

 #11
20190224391
2019-07-25

Fluid pump changeable in diameter, in particular for medical application

 #12
20190211820
2019-07-11

Scroll-type machine

 #13
20180100502
2018-04-12

ROTARY DEVICE AND A METHOD OF DESIGNING AND MAKING A ROTARY DEVICE

 #14
20170051741
2017-02-23

Scroll type device incorporating spinning or co-rotating scrolls

 #15
20170014562
2017-01-19

Fluid pump changeable in diameter, in particular for medical application

 #16
20160245284
2016-08-25

Fluid pump

 #17
20160123148
2016-05-05

PISTON MACHINE APPARATUS, AND METHOD OF VARYING A VOLUME OF A CHAMBER OF THE APPARATUS

 #18
20150176582
2015-06-25

Fluid pump changeable in diameter, in particular for medical application

 #19
20150173999
2015-06-25

MASSAGE DEVICE

 #20
20140086776
2014-03-27

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

 #21
20130302196
2013-11-14

Multi-channel, rotary, progressing cavity pump with multi-lobe inlet and outlet ports

 #22
20130216416
2013-08-22

Scroll compressor with channels intermittently communicating internal and external compression chambers with back pressure chamber

 #23
20130142685
2013-06-06

Rotary device and a method of designing and making a rotary device

 #24
20120093628
2012-04-19

Fluid pump changeable in diameter, in particular for medical application

 #25
20050220651
2005-10-06

Scroll type hydraulic machine

 #26
18115355
2024-04-23

Compressor and valve assembly