E04B 2/14

Walls having cavities in, but not between, the elements, i.e. each cavity

Official title: Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element

E04B2/14 (Walls having cavities in, but not between, the elements, i.e. each cavity) appears on 479 US grants and 438 published applications in this corpus.

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479
Published applications
438
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201
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699
Latest grant
29 Sep 2026

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E04B 2/14: granted patents and published applications per publication year
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197620
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198460
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1986100
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2000150
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201089
2011314
2012713
2013920
20142229
20152323
20162125
20171523
20182128
20192326
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20212017
20222021
20231118
20242120
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20261413

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