Filings by year

G04D 3/0046: granted patents and published applications per publication year
YearGranted patentsPublished applications
200814
200930
201000
201100
201200
201301
201400
201500
201610
201712
201800
201900
202010
202100
202201
202303
202412
202500
202611

By publication year. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents