Filings by year

C04B 2235/3817: granted patents and published applications per publication year
YearGranted patentsPublished applications
197740
197860
197940
198070
198130
198240
198350
198460
198550
198660
198730
198860
1989120
1990160
1991200
1992110
1993240
1994200
1995180
1996200
1997130
1998180
1999300
2000120
2001185
20021736
20033975
20044682
20054494
20064599
20074679
20085973
20094593
20106285
20115794
20126482
20136497
20146992
20156872
20167695
201780120
201871100
201980114
202096118
202189117
202271111
202385142
202498121
202582100
20267465

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents