Filings by year

B41J 2/23: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976280
1977330
1978190
1979260
1980380
1981320
1982190
1983290
1984410
1985420
1986410
1987400
1988270
1989400
1990350
1991510
1992420
1993320
1994310
1995170
1996140
1997120
1998110
199960
200010
200182
200226
200354
200483
2005314
200676
2007610
200862
2009710
201023
201145
201223
201351
201432
201551
201635
201722
201818
2019106
2020521
2021184
202241
202345
202412
202542
202610

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