ClassID:

47422

B28B7/20 - CPC Classification

Classification description:

Moulds; Cores; Mandrels Moulds for making shaped articles with undercut recesses, e.g. dovetails

Recent Application in this class:
#1
20250319629
2025-10-16

FORM FOR VERTICALLY CASTING FLARED END PRODUCTS AND METHOD OF MANUFACTURING THE SAME

#2
20250073950
2025-03-06

FORM FOR VERTICALLY CASTING FLARED END PRODUCTS AND METHOD OF MANUFACTURING THE SAME

#3
20230364827
2023-11-16

MOLD FOR PRECAST REINFORCED CONCRETE HEAVY DUTY RETAINING WALL

#4
20230220648
2023-07-13

Modular foundation assembly

#5
20230182345
2023-06-15

Concentric-ring single-sided dovetail groove ceramic tile back mold core and manufactured ceramic tile

#6
20190360201
2019-11-28

METHOD AND MOLD FOR MANUFACTURING AN INTERLOCKING CONCRETE RETAINING WALL BLOCK

#7
20190330812
2019-10-31

Traffic flow barrier with corresponding production mold and hand cart

#8
20190323198
2019-10-24

Blocks, block systems and methods of making blocks

#9
20180371705
2018-12-27

PERMEABLE SURFACE COVERING UNITS AND PERMEABLE SURFACE COVERING

#10
20180195276
2018-07-12

Method and mold for manufacturing an interlocking concrete retaining wall block

#11
20180154548
2018-06-07

MOLD FOR MANUFACTURING SELF-LOCKING BLOCKS MADE OF CEMENT MATERIAL

#12
20180104853
2018-04-19

METHOD OF MAKING A CONCRETE BLOCK

#13
20180044877
2018-02-15

Blocks, block systems and methods of making blocks

#14
20170167086
2017-06-15

PERMEABLE SURFACE COVERING UNITS AND PERMEABLE SURFACE COVERING

#15
20160369472
2016-12-22

HIGH FACE-AREA, LOW VOLUME CONCRETE WALL BLOCK AND FORM

#16
20160326743
2016-11-10

Method and mold for manufacturing an interlocking concrete retaining wall block

#17
20160244936
2016-08-25

Blocks, block systems and methods of making blocks

#18
20150360389
2015-12-17

Method of making a concrete block

#19
20150183127
2015-07-02

Pressure die casting mold for producing a casting

#20
20150151450
2015-06-04

Method and mold for manufacturing an interlocking concrete block

#21
20150048554
2015-02-19

Biodegradable material made of biological components

#22
20150008622
2015-01-08

Method of making a concrete block

#23
20130334731
2013-12-19

Method of making a concrete block

#24
20120328729
2012-12-27

FORM MED VIPBARE SIDEKERNER

#25
20120175808
2012-07-12

Concrete block and method of making same

#26
20110316194
2011-12-29

Method And Apparatus For Dry Casting Concrete Blocks Having A Decorative Face

#27
20110309250
2011-12-22

Methods for manufacturing three-dimensional devices and devices created thereby

#28
20110014474
2011-01-20

Methods for manufacturing three-dimensional devices and devices created thereby

#29
20110004985
2011-01-13

Ceramic Hinge

#30
20100155999
2010-06-24

Concrete block and method of making same

#31
20100113169
2010-05-06

Method for manufacturing a composite drive shaft manufactured using mold

#32
20100096778
2010-04-22

Methods for manufacturing three-dimensional devices and devices created thereby

#33
20100096777
2010-04-22

Methods for manufacturing three-dimensional devices and devices created thereby

#34
20100013117
2010-01-21

METHOD FOR THE MANUFACTURE OF A BUILDING PRODUCT

#35
20090277121
2009-11-12

MASONRY BLOCK AND METHOD OF MAKING SAME

#36
20090272874
2009-11-05

Methods for manufacturing three-dimensional devices and devices created thereby

#37
20090255211
2009-10-15

Method and means for producing a concrete block

#38
20090084933
2009-04-02

Methods for manufacturing three-dimensional devices and devices created thereby

#39
20080246180
2008-10-09

Methods for manufacturing three-dimensional devices and devices created thereby

#40
20080053638
2008-03-06

Methods for manufacturing three-dimensional devices and devices created thereby

#41
20070193204
2007-08-23

Method of making a concrete block

#42
20070062149
2007-03-22

Mold assembly for manufacturing a masonry block

#43
20050166518
2005-08-04

Concrete stone

#44
20050028479
2005-02-10

Method for forming caves on a construction and a body made with the caves by the method

#45
14658318
2017-06-20

Acetabular reamer

#46
13167658
2015-03-31

Method for dry casting concrete blocks