Filings by year

G21K 1/087: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197810
197900
198010
198100
198210
198310
198430
198500
198600
198710
198810
198910
199010
199110
199200
199310
199410
199500
199610
199700
199800
199920
200010
200131
200216
200336
200464
200585
200632
200734
200812
200923
201022
201128
201236
201363
201483
201544
201622
201756
2018310
201948
202043
202158
202233
202332
202459
202526
202621

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

Recent patents

Most cited

By later US patents