Filings by year

F17C 2223/0123: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976110
1977120
1978100
197970
198090
198140
198250
198370
198480
1985110
1986190
1987130
1988130
1989290
1990190
1991220
1992240
1993190
1994260
1995270
1996440
1997330
1998500
1999360
2000380
20013310
20025743
20034654
20044468
20053162
20065172
20074367
20083365
20092889
20104092
20114770
20125583
20136189
201473125
201571148
201698141
201795105
201884172
2019109125
2020128151
2021131182
2022162206
2023135191
2024162159
2025142143
20266376

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

Recent patents

Most cited

By later US patents