Filings by year

F17C 2223/0161: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976420
1977290
1978420
1979230
1980250
1981250
1982260
1983260
1984260
1985230
1986250
1987250
1988200
1989410
1990250
1991200
1992410
1993260
1994350
1995360
1996400
1997350
1998240
1999310
2000380
2001356
20024931
20035334
20043044
20052856
20064175
20074186
20082978
20094068
20102969
20113151
20123148
20133673
201447115
201547107
20165594
20177288
201884117
201985121
202090117
202185124
202294125
202399180
2024126188
2025117177
202610098

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

Recent patents

Most cited

By later US patents