Filings by year

G01N 27/447: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976330
1977210
1978310
1979230
1980350
1981290
1982410
1983200
1984220
1985170
1986350
1987570
1988400
1989670
1990690
1991780
19921240
19931000
19941200
1995920
19961000
1997960
1998990
19991470
20001500
200112755
2002143236
2003149215
2004131259
2005112219
2006127162
2007101163
200889133
200988173
2010103195
2011101163
2012132163
2013144203
2014142257
2015191300
2016176253
2017196287
2018175202
2019204234
2020201178
2021172188
2022122177
2023126154
2024130153
2025122149
202687104

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