Filings by year

F04C 28/265: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198100
198210
198320
198400
198500
198600
198700
198810
198920
199000
199130
199230
199320
199470
199530
199630
199740
199850
199930
200040
200153
200284
200337
200485
200522
200636
200715
200863
200923
201011
201124
201222
201360
201424
201511
201622
201722
201845
201912
202021
202153
202222
202322
202421
202521

By publication year. Applications have been published since 2001.