C04B 2237/765

At least one member being a tube

Official title: at least one member being a tube

C04B2237/765 (At least one member being a tube) appears on 333 US grants and 166 published applications in this corpus.

Search patents in C04B
Granted patents
333
Published applications
166
Assignees
195
Inventors
786
Latest grant
21 Jul 2026

Filings by year

C04B 2237/765: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197740
197860
197920
198050
1981110
198290
198330
198410
198570
198640
1987100
1988160
198980
1990100
1991100
1992100
1993120
199490
1995120
1996140
1997120
199880
199960
2000120
200173
2002610
2003116
200476
200551
200621
200723
200802
200902
201004
201113
201216
2013215
201445
2015612
201654
2017911
2018107
2019713
2020713
202145
202235
202358
20241311
202588
202622

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

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