F15B 2211/4053

Using valves

Official title: using valves

F15B2211/4053 (Using valves) appears on 143 US grants and 125 published applications in this corpus.

Search patents in F15B
Granted patents
143
Published applications
125
Assignees
89
Inventors
260
Latest grant
21 Jul 2026

Filings by year

F15B 2211/4053: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197730
197810
197910
198030
198110
198230
198310
198420
198500
198620
198720
198810
198900
199000
199120
199220
199310
199400
199510
199600
199720
199830
199920
200020
200171
200221
200313
200423
200532
200601
200720
200802
200902
201011
201116
201207
201332
201453
201547
201656
201764
201856
201996
2020928
202199
2022610
2023105
202474
202545
202641

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

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By later US patents