Filings by year

C25B 1/01: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976520
1977610
1978940
1979680
1980900
19811020
1982870
1983580
1984720
1985480
1986540
1987410
1988450
1989380
1990390
1991360
1992530
1993420
1994390
1995440
1996350
1997400
1998350
1999370
2000400
20014510
20024647
20033161
20043988
20052776
20063267
200725108
200837126
200946150
201043186
201182175
2012108203
2013108251
2014133279
2015168323
2016176359
2017198341
2018223364
2019283416
2020263418
2021282485
2022312654
2023385805
20244051052
20254901048
2026320729

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

Subgroups

Granted patents
All 13 subgroups

Recent patents

Most cited

By later US patents