Filings by year

B01D 2253/1124: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198150
198220
198300
198400
198500
198630
198710
198800
198910
199020
199120
199220
199300
199400
199500
199600
199700
199820
199920
200010
200144
200286
200359
200439
200546
200634
200731
200802
200932
2010111
2011213
2012719
20131332
20141337
20153341
20162730
20173249
20184264
20194448
20204144
20213350
20223345
20233245
20243243
20253035
20261724

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

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By later US patents