E04C3/38 - CPC Classification Index

ClassID:

130471 ⎘

E04C3/38 - CPC Classification

Classification description:

Structural elongated elements designed for load-supporting Arched girders or portal frames

Sub-classes:

E04C3/40 » of metal 77
E04C3/42 » of wood, e.g. units for rafter roofs 29
E04C3/44 » of concrete or other stone-like material, e.g. with reinforcements or tensioning members 8
E04C3/46 » of other materials not covered by groups - ; of a combination of two or more materials 28

Recent Application in this class:

20250092678

2025-03-20

TRUSS FOUNDATION ADAPTERS FOR SINGLE-AXIS TRACKERS

20230041281

2023-02-09

Truss foundation adapters for single-axis trackers

20220235549

2022-07-28

Wall roof truss building system

20210002896

2021-01-07

Truss foundation adapters for single-axis trackers

20200291653

2020-09-17

One-piece structural fuse

20190301158

2019-10-03

CONNECTIONS BETWEEN METAL FRAMING MEMBERS

20190292783

2019-09-26

One-piece structural fuse

20190249408

2019-08-15

ARCHITECTURAL STRUCTURES HAVING AN EXPANDABLE FRAME

20190186135

2019-06-20

CONNECTOR SYSTEM FOR TRUSSES

#10

20190119914

2019-04-25

Laminated structural arch system

#11

20180245367

2018-08-30

FRAME FOR A TRANSPORTABLE SHELTER

#12

20170260736

2017-09-14

ARCHITECTURAL STRUCTURES HAVING AN EXPANDABLE FRAME

#13

20170226739

2017-08-10

CURVED SCREEN FRAME AND THEATER COMPRISING SAME

#14

20170211273

2017-07-27

Architectural structures having an expandable frame

#15

20170130409

2017-05-11

Pneumatic support

#16

20160201326

2016-07-14

Modular roof structure

#17

20150047287

2015-02-19

Modular truss system

#18

20140245674

2014-09-04

Portal frame

#19

20130305619

2013-11-21

Airbeam

#20

20100266796

2010-10-21

Pneumatic structural element, and roof produced therefrom

#21

20100257814

2010-10-14

Building methods

#22

20100257813

2010-10-14

Building methods

#23

20100139175

2010-06-10

Method and apparatus for distributing a load about an air beam

#24

20090194657

2009-08-06

Support arm, cylindrical-parabolic solar collector support and method of producing the arm

#25

20090013628

2009-01-15

Girder-like structural element composed of individual parts connected to one another

#26

20080184657

2008-08-07

Building Methods

#27

20080178555

2008-07-31

TAPERED TRUSS

#28

20080092481

2008-04-24

Building Methods

#29

20070277456

2007-12-06

Arch assembly for door frame

#30

20060283129

2006-12-21

MODULAR, STRUCTURAL, ELEMENT, SPACE FRAME OR TRUSS

#31

20060277860

2006-12-14

Expanding devices and structures and methods therefore

#32

20050284045

2005-12-29

Composite lintel system

#33

20050115186

2005-06-02

Iso-truss structure

#34

20050055947

2005-03-17

Support structure with foldable end cap having pivoting mechanism

#35

14661597

2016-04-26

Laminated column with spacer