Filings by year

F02N 15/026: granted patents and published applications per publication year
YearGranted patentsPublished applications
198210
198300
198410
198500
198610
198720
198830
198910
199000
199110
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200212
200321
200424
200523
200600
200720
200800
200903
201011
201100
201210
201313
201412
201503
201611
201710
201833
201911
202021
202102
202233
202310
202410

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents