Filings by year

F01C 1/0223: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198200
198300
198400
198500
198610
198720
198810
198900
199020
199120
199220
199320
199440
199520
199600
199700
199810
199900
200020
200100
200210
200320
200400
200502
200614
200722
200810
200911
201001
201101
201221
201310
201400
201510
201601
201710
201801
201912
202010
202100
202210

By publication year. Applications have been published since 2001.

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Most cited

By later US patents