E04F 13/0821

The additional fastening elements located in-between two adjacent covering elements

Official title: {the additional fastening elements located in-between two adjacent covering elements}

E04F13/0821 (The additional fastening elements located in-between two adjacent covering elements) appears on 300 US grants and 292 published applications in this corpus.

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Granted patents
300
Published applications
292
Assignees
171
Inventors
450
Latest grant
4 Aug 2026

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E04F 13/0821: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197800
197910
198010
198120
198200
198340
198430
198520
198660
198730
198830
198930
199020
199110
199240
199330
199450
199530
199600
199750
199820
199960
200030
200191
200254
200325
200437
200512
200629
2007212
200807
200937
201069
201166
201279
2013912
2014819
20151916
20161612
20171219
20181610
2019218
20201022
20211420
20221827
20231323
2024178
20251111
202667

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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Granted patents