E01C 23/09

For forming cuts, grooves, or recesses

Official title: for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges

E01C23/09 (For forming cuts, grooves, or recesses) appears on 395 US grants and 294 published applications in this corpus.

Search patents in E01C
Granted patents
395
Published applications
294
Assignees
175
Inventors
589
Latest grant
29 Sep 2026

Filings by year

E01C 23/09: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197860
197940
198030
198130
198250
198340
198460
198530
198660
198770
1988130
1989140
1990110
199150
199230
199370
199430
199580
199680
199740
199850
199940
200050
200162
2002115
200395
200439
200535
200689
200758
200866
200924
201044
2011510
201256
2013712
2014711
20151510
20161113
20171420
20181425
20192319
20201618
20211623
20221414
20231621
20241217
202599
2026159

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

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