Temporary tunnels specially adapted against falling objects

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CPC
E04G21/3209

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EFIXED CONSTRUCTIONS E04Building E04GSCAFFOLDING FORMS SHUTTERING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE HANDLING BUILDING MATERIALS ON THE SITE REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS E04G21/00Preparing, conveying, or working-up building materials or building elements in situ Other devices or measures for constructional work

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E04G21/3209Temporary tunnels specially adapted against falling objects

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Patents Grantslast 30 patents

Information Patent Grant
Shield
- Patent number 11,421,432
- Issue date Aug 23, 2022
- Paul Kristen, Inc.
- Paul Apostolopoulos
- E04 - BUILDING
Information Patent Grant
Adjustable scaffolding tunnel assembly
- Patent number 10,907,367
- Issue date Feb 2, 2021
- James Dixon
- E04 - BUILDING
Information Patent Grant
Access tunnel system for the sheltered guidance of persons
- Patent number 9,932,751
- Issue date Apr 3, 2018
- Hübner GmbH & Co. KG
- Detlef Gutkuhn
- E04 - BUILDING
Information Patent Grant
Modular pedestrian tunnel
- Patent number 8,904,714
- Issue date Dec 9, 2014
- Big Astor S.R.L.
- Carmelo Montalto
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR A TEMPORARY PROTECTIVE STRUCTURE FOR USE IN C...
- Publication number 20240263469
- Publication date Aug 8, 2024
- Simon Wells
- E04 - BUILDING
Information Patent Application
Adjustable Scaffolding Tunnel Assembly
- Publication number 20200141137
- Publication date May 7, 2020
- James Dixon
- E04 - BUILDING
Information Patent Application
MODULAR PEDESTRIAN TUNNEL
- Publication number 20120255256
- Publication date Oct 11, 2012
- Big Astor s.r.l.
- Carmelo Montalto
- E04 - BUILDING