F16L 59/075

The air layer or the vacuum being delimited by longitudinal channels distributed

Official title: the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube

F16L59/075 (The air layer or the vacuum being delimited by longitudinal channels distributed) appears on 27 US grants and 38 published applications in this corpus.

Search patents in F16L
Granted patents
27
Published applications
38
Assignees
30
Inventors
73
Latest grant
23 Sep 2025

Filings by year

F16L 59/075: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198210
198300
198400
198500
198600
198700
198820
198900
199010
199100
199200
199300
199400
199500
199600
199710
199800
199900
200000
200100
200200
200301
200412
200500
200600
200710
200800
200900
201000
201100
201200
201301
201411
201500
201611
201701
201828
201942
202032
202122
202212
202327
202414
202521
202603

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

Recent patents

Most cited

By later US patents