Filings by year

B01D 2253/3425: granted patents and published applications per publication year
YearGranted patentsPublished applications
198210
198330
198400
198500
198600
198700
198800
198900
199050
199120
199220
199330
199410
199540
199630
1997110
199840
199980
200080
200155
200287
2003813
2004109
2005615
200656
200757
200846
2009111
2010107
201158
2012410
201347
201477
201588
2016612
2017310
20181420
20191217
20201112
20211015
2022149
20232029
20241314
20251128
2026617

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

Recent patents

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By later US patents