Patents-Review.com
ClassID:

42367 ⎘

B23F15/08 - CPC Classification

Classification description:

Methods or machines for making gear wheels of special kinds not covered by groups  -  Making intermeshing rotors, e.g. of pumps

Recent Application in this class:
#1
20220331891
2022-10-20

METHOD FOR PRODUCING A ROTOR OF A SCREW COMPRESSOR OR A WORKPIECE WITH A HELICAL PROFILE

 #2
20220282621
2022-09-08

Gear wheel having an improved profile

 #3
20210260676
2021-08-26

METHOD FOR MANUFACTURING OF A ROTOR

 #4
20180281088
2018-10-04

Rotating machine tool and process for cutting gearwheels with asymmetrical teeth

 #5
20180236577
2018-08-23

Method for manufacturing of a rotor

 #6
20180066654
2018-03-08

BROACHING AND/OR FRICTION WELDING TECHNIQUES TO FORM UNDERCUT PDM STATORS

 #7
20180065193
2018-03-08

Method for manufacturing a stator or machining the inner wall of a stator

 #8
20170292442
2017-10-12

Rotary internal combustion engine

 #9
20160228962
2016-08-11

Method for manufacturing a rotor

 #10
20150336190
2015-11-26

Method of machining a rotor with variable-lead screw

 #11
20150290730
2015-10-15

Method for hard fine machining of a workpiece with a worm-shaped cutting tool

 #12
20130309944
2013-11-21

Method for manufacturing of a rotor

 #13
20100029183
2010-02-04

Method for the production of a workpiece and grinding machine

 #14
20090217528
2009-09-03

Method and apparatus for working a screw rotor, end mill for working , and method of manufacturing a screw compressor

 #15
20070003387
2007-01-04

Apparatus and method for processing screw rotor and cutting bit

 #16
20060048360
2006-03-09

Apparatus and method for processing screw rotor and cutting bit

 #17
20050147519
2005-07-07

Screw compressor and method of manufacturing rotors thereof

 #18
20050089433
2005-04-28

Screw compressor and method of manufacturing rotors thereof