Filings by year

C22F 1/183: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197710
197820
197910
198000
198110
198210
198320
198410
198550
198640
198740
198820
1989160
199080
199170
1992170
1993180
1994150
1995140
1996100
1997130
1998120
1999100
2000170
2001208
20022619
20032225
20041429
20051423
20061316
2007423
2008623
2009816
20101326
20112023
2012539
20131845
20142045
20151945
20163062
20173560
20184854
20196253
20205357
20213829
20222844
20233641
20244738
20252630
20261026

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

Recent patents

Most cited

By later US patents