Filings by year

D06P 1/50: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197710
197830
197900
198020
198120
198220
198300
198420
198520
198600
198710
198810
198910
199010
199100
199210
199300
199410
199560
199630
199720
199810
199970
200040
200131
200222
200310
200441
200521
200600
200722
200801
200901
201002
201100
201210
201321
201421
201511
201612
201707
201841
201926
202024
202123
202224
2023510
202445
202542
202612

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

Recent patents

Most cited

By later US patents