Filings by year

C04B 2235/6562: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197760
197820
197930
198000
198150
198230
198330
198410
198560
198670
198770
198890
1989130
199090
1991170
1992130
1993170
1994190
1995170
1996110
1997170
1998120
1999270
2000160
2001135
20021425
20031723
20041737
20051629
20062240
20072673
20082975
20093099
201050103
20116286
201270129
201379103
20149199
201579113
20169381
201793108
20188782
201960119
202069104
202190121
202286117
202379123
202480115
20259083
20265728

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

Recent patents

Most cited

By later US patents