ClassID:

131601

E04G21/0427 - CPC Classification

Classification description:

Preparing, conveying, or working-up building materials or building elements ; Other devices or measures for constructional work; Conveying or working-up concrete or similar masses able to be heaped or cast; Devices for both conveying and distributing with distribution hose on a static support, e.g. crane

Recent Application in this class:
#1
20250369241
2025-12-04

GANTRY-BASED ADDITIVE MANUFACTURING SYSTEM

#2
20250092695
2025-03-20

SYSTEMS AND METHODS FOR THE CONSTRUCTION OF STRUCTURES

#3
20240328178
2024-10-03

DEVICE AND METHOD FOR ADDITIVE MANUFACTURING OF A COMPONENT

#4
20240301704
2024-09-12

GANTRY-TYPE 3D PRINTER

#5
20240159077
2024-05-16

System and method for manufacturing a tower structure

#6
20240151050
2024-05-09

REINFORCEMENT OF WALL STRUCTURES USING SOLIDIFIABLE MATERIAL

#7
20230349176
2023-11-02

Level-by-level 3D printing of multi-level structures using removable cable-support masts and a cable-guided nozzle

#8
20230349173
2023-11-02

APPARATUS AND METHOD FOR MANUFACTURING A SOLID, LOAD-BEARING CONSTRUCTION FROM A HARDENING BUILDING MATERIAL, AND RECESS FORMWORK SYSTEM

#9
20230160222
2023-05-25

ROTARY MOVING 3D PRINTER

#10
20230135767
2023-05-04

METHOD FOR MANUFACTURING WIND TURBINE TOWER STRUCTURE WITH EMBEDDED REINFORCEMENT ELEMENTS

#11
20220381047
2022-12-01

PUMPING CONTROL METHOD AND APPARATUS, MATERIAL DISTRIBUTION METHOD AND APPARATUS AS WELL AS DISTRIBUTION DEVICE

#12
20220372776
2022-11-24

Printing system for creating a concrete support structure for a passenger transport system

#13
20220356720
2022-11-10

FOLDABLE STRUCTURE FOR 3D PRINTER FOR BUILDING CONSTRUCTION AND METHODS FOR OPERATING THE SAME

#14
20220349192
2022-11-03

3D PRINTER FOR BUILDING CONSTRUCTION, AND SYSTEM AND METHOD TO MAINTAIN THE SAME IN HORIZONTAL ORIENTATION

#15
20220341196
2022-10-27

NOZZLE ASSEMBLY FOR 3D PRINTER OF BUILDING CONSTRUCTION AND METHODS FOR OPERATING THE SAME

#16
20220196000
2022-06-23

COMPENSATION OF FLOW VARIATIONS OF A PISTON PUMP AND CONSTANT-RATE AUTOMATED PLACEMENT OF CONCRETE

#17
20220194850
2022-06-23

UTILIZING UNPROCESSED CLAY IN THE THREE DIMENSIONAL ADDITIVE PRINTING OF MORTAR ONTO A BUILDING STRUCTURE

#18
20220049521
2022-02-17

Multi-head additive printing device for manufacturing wind turbine tower structure

#19
20220034108
2022-02-03

System and method for manufacturing a wind turbine tower structure

#20
20220032500
2022-02-03

Construction and/or materials-handling machine and method for guiding and moving a working head

#21
20220002119
2022-01-06

TOWER CRANE HAVING IMPROVED SAFETY

#22
20210188602
2021-06-24

Method for bringing a work machine into a weathervane position, and work machine for carrying out the method

#23
20210164218
2021-06-03

Robotised construction system

#24
20200199897
2020-06-25

Angled boom comprising variable cross-section for mobile concrete pumps

#25
20200156284
2020-05-21

Device for applying a building material

#26
20200040567
2020-02-06

3D concrete printer

#27
20180230703
2018-08-16

Rack structure for an in-field 3D construction printer

#28
20180200920
2018-07-19

Slurry dispense system

#29
20180066441
2018-03-08

3-D printer on active framework

#30
20170350115
2017-12-07

Device and method for producing three-dimensional structures created in successive layers

#31
20170152668
2017-06-01

Distribution boom for stationary or mobile viscous material pumps

#32
20170016244
2017-01-19

Method of constructing a tower

#33
20160002937
2016-01-07

Working device with stationary mast and rotary head

#34
20150376908
2015-12-31

Working device with stationary boom and rotary head

#35
20150361681
2015-12-17

COMBINATION OF CONCRETE SPREADER AND CRANE TOWER

#36
20150316043
2015-11-05

Concrete pump with distributing boom

#37
20150275532
2015-10-01

Mast arm for a concrete distributor mast and method for the production thereof

#38
20150252582
2015-09-10

Slipformed concrete tower

#39
20150136266
2015-05-21

Concrete dispensing boom for concrete pumps

#40
20140096853
2014-04-10

Distributing boom for concrete pumps

#41
20140076420
2014-03-20

Shell coupling and use thereof

#42
20120118417
2012-05-17

METHOD AND APPARATUS FOR PUMPING CONCRETE TO A FORM STRUCTURE AT ELEVATED HEIGHTS

#43
20100224272
2010-09-09

Circular Distributor for Thick Materials, in Particular for Liquid Concrete

#44
20090277524
2009-11-12

Ascending pipeline for conveying thick substances

#45
20090252575
2009-10-08

Arrangement for conveying concrete with a height-adjustable concrete distributing mast

#46
20070157539
2007-07-12

Pumping tower support system and method of use

#47
18482932
2024-06-11

Concrete container