ClassID:

131618

E04G21/121 - CPC Classification

Classification description:

Preparing, conveying, or working-up building materials or building elements ; Other devices or measures for constructional work; Mounting of reinforcing inserts; Prestressing Construction of stressing jacks

Recent Application in this class:
#1
20250188757
2025-06-12

LIGHTWEIGHT DUAL ACTION POST-TENSIONING JACK WITH TWO HANDLE CHUCK

#2
20240229482
2024-07-11

SYSTEMS AND METHODS FOR A SMART CABLE TENSIONING UNIT

#3
20240133193
2024-04-25

SYSTEMS AND METHODS FOR A SMART CABLE TENSIONING UNIT

#4
20200347621
2020-11-05

Method of de-tensioning a rod

#5
20190226927
2019-07-25

Method and apparatus for performing field elongation measurements

#6
20180371769
2018-12-27

System for monitoring tension force of tendon in post-tensioning

#7
20180370072
2018-12-27

Method for producing a textile-reinforced construction material component, and tensioning device for same

#8
20180016789
2018-01-18

Encapsulated splice chuck

#9
20170335581
2017-11-23

Rod de-tensioning device

#10
20170284111
2017-10-05

System for monitoring tension force of tendon in post-tensioning

#11
20140227024
2014-08-14

Assembly for connecting rebar segments

#12
20140223854
2014-08-14

Assembly and method for anchoring rebar to a mass

#13
20110197540
2011-08-18

Anchoring, splicing and tensioning elongated reinforcement members

#14
20110072745
2011-03-31

Anchoring, splicing and tensioning elongated reinforcement members

#15
20100258772
2010-10-14

Apparatus and Methods for the Retensioning of Reinforcement Tendons

#16
20090121373
2009-05-14

Method and Apparatus for Construction

#17
20080035901
2008-02-14

Tensioning installation for the frameworks of pre-tensioned architectural elements

#18
20070271762
2007-11-29

System and method for automatically stressing mono-strand tendons

#19
20050252116
2005-11-17

Tensioning device for strip-shaped tension members

#20
20050177992
2005-08-18

Cable tensioning system and method of operation

#21
20050005570
2005-01-13

Method of overlocking at least one strand in an anchoring block and system for overlocking at least one strand in an anchoring block

#22
18777853
2025-02-25

Automatic leveling carbon fiber reinforced polymer (CFRP) plate pre-stressing and tensioning devices for curved surface structures