Filings by year

F17C 2223/0153: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976550
1977400
1978550
1979280
1980320
1981280
1982390
1983380
1984370
1985300
1986330
1987450
1988260
1989560
1990490
1991330
1992530
1993440
1994510
1995470
1996580
1997560
1998490
1999580
2000660
20016312
20028158
20038061
20045580
20054393
200661105
200764122
200843115
20095799
20105297
20114478
20124673
20135598
201465150
201566129
201677128
201787106
2018104161
2019106151
2020126144
2021109149
2022117164
2023120212
2024161213
2025132203
2026119119

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