Filings by year

B07B 1/50: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197860
197940
198050
1981130
198250
198340
198460
198580
198650
198750
198850
1989120
1990110
199190
199260
199370
199460
199580
199670
199780
199840
1999110
2000110
2001100
200273
200323
200410
200525
200605
200716
2008411
200945
201046
2011510
2012713
2013612
201486
2015910
201679
20171017
2018916
20191314
20201316
20211016
2022178
20231718
202466
20251210
202665

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