Filings by year

H02J 7/975: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
1977100
197840
197910
198070
198120
198240
198370
198430
198580
198680
1987150
198850
1989120
199030
199190
199240
1993150
1994140
1995170
1996190
1997230
1998150
1999220
2000210
2001307
20022621
20031214
20041828
20051232
20061037
20071429
20081428
20093257
20102569
20113142
20124770
20134078
20144782
20157792
20167699
201770132
201892168
2019150143
2020133185
2021142194
2022165197
2023114212
2024153234
2025135209
202690128

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