H01B 3/22

Hydrocarbons

Official title: hydrocarbons

H01B3/22 (Hydrocarbons) appears on 203 US grants and 131 published applications in this corpus.

Search patents in H01B
Granted patents
203
Published applications
131
Assignees
97
Inventors
375
Latest grant
17 Mar 2026

Filings by year

H01B 3/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197770
1978110
197930
198080
198180
198270
198310
198420
198590
198670
198740
198840
198930
199030
199130
199250
199310
199410
199520
199610
199710
199810
199940
200020
200131
200232
200321
200421
200511
200608
200725
200810
200934
201044
201113
201227
2013812
201479
201537
201669
201774
201828
201942
2020108
202148
2022710
202384
202448
202552
202633

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

Recent patents

Most cited

By later US patents