Filings by year

B67C 3/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976130
197790
197860
1979100
198030
1981110
1982120
1983110
1984120
1985110
1986110
1987160
198890
1989140
1990180
1991220
1992230
1993150
1994160
1995190
1996160
199790
1998160
1999240
2000250
2001304
20021915
20032030
20042821
2005832
20061321
20071733
20081321
2009747
20103268
20112384
20123548
20134960
20146080
20155663
20164784
20176997
20187883
20198081
20207693
20217771
20226785
20237674
20248061
20253943
20263732

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

Subgroups

Granted patents
All 9 subgroups

Recent patents

Most cited

By later US patents