Filings by year

F04B 53/126: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197710
197810
197900
198020
198110
198200
198310
198430
198500
198650
198730
198830
198910
199010
199110
199200
199350
199410
199560
199640
199780
199820
199930
200070
200172
200263
200362
200432
200501
200633
200712
200814
200911
201017
201112
201230
201343
201423
201502
201635
201728
2018313
201987
2020127
202165
202272
202340
202402
202512
202610

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

Recent patents

Most cited

By later US patents