Filings by year

D04B 1/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
198410
198500
198600
198700
198830
198920
199020
199120
199210
199330
199410
199520
199610
199750
199810
199930
200070
200171
200242
200302
200443
200535
200643
200736
200847
200918
2010512
2011104
201215
2013510
2014313
201533
201615
201755
201836
201955
202054
202166
202209
202354
202447
202565
202615

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

Recent patents

Most cited

By later US patents