Filings by year

G10H 3/18: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197780
197840
1979160
1980170
1981130
198290
1983100
198490
1985120
1986120
1987110
1988150
1989220
1990230
1991320
1992260
1993220
1994190
1995250
1996140
1997200
1998290
1999330
2000220
2001225
20021519
20031122
20041841
20051430
20063034
20073131
20081733
20091834
20102731
20113432
20123033
20133136
20145256
20155647
20165348
20177153
20183955
20194938
20203532
20212748
20222833
20231938
20241529
20251746
20261515

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents