Filings by year

C03C 2217/479: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198200
198300
198410
198500
198600
198700
198800
198910
199010
199100
199210
199300
199400
199520
199630
199730
199830
199980
200070
200176
20021015
200366
200486
200525
200656
200725
200828
200935
201055
201157
201204
201387
201436
201512
201613
2017511
2018710
2019617
2020116
202175
2022510
202324
202464
202544
202623

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

Recent patents

Most cited

By later US patents