Filings by year

D04H 1/4234: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198110
198200
198300
198410
198520
198600
198710
198830
198940
199050
199150
199210
199300
199430
199520
199620
199730
199820
199940
200000
200131
200212
200342
200415
200524
200605
200734
200818
200908
201044
201124
201225
201342
201413
201512
201615
201711
201822
201915
202045
202144
202213
202323
202456
202537
202607

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

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By later US patents