Filings by year

H05B 33/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197810
197900
198000
198100
198200
198300
198420
198510
198600
198750
1988110
198990
199030
199140
199230
199340
199440
199580
199660
199760
199890
1999120
200090
2001123
200294
200388
2004312
2005512
2006613
2007814
2008419
20091116
2010619
2011918
20121216
20131119
20141816
20151328
20161114
20171711
20182227
20191925
20202019
2021917
20221524
20231628
20241848
20252018
2026159

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

Recent patents

Most cited

By later US patents