Filings by year

G04D 3/0048: granted patents and published applications per publication year
YearGranted patentsPublished applications
199210
199300
199400
199500
199600
199700
199800
199900
200000
200100
200212
200310
200410
200500
200602
200700
200800
200901
201001
201121
201212
201300
201401
201542
201601
201722
201801
201901
202026
202126
202216
2023410
202482
202562
202620

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

Recent patents

Most cited

By later US patents