Filings by year

C02F 3/347: granted patents and published applications per publication year
YearGranted patentsPublished applications
200803
200901
201011
201110
201203
201303
201424
201543
201626
201744
201852
201913
202046
2021211
202234
202339
2024711
2025512
202646

By publication year. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents