G01N 27/48
Using polarography, i.e. measuring changes in current under a slowly-varying voltage
Official title: using polarography, i.e. measuring changes in current under a slowly-varying voltage
G01N27/48 (Using polarography, i.e. measuring changes in current under a slowly-varying voltage) appears on 342 US grants and 434 published applications in this corpus.
Search patents in G01N- Granted patents
- 342
- Published applications
- 434
- Assignees
- 340
- Inventors
- 1,195
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 4 | 5 |
| 2004 | 1 | 5 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 5 |
| 2008 | 1 | 9 |
| 2009 | 1 | 10 |
| 2010 | 3 | 13 |
| 2011 | 2 | 10 |
| 2012 | 9 | 9 |
| 2013 | 6 | 8 |
| 2014 | 14 | 16 |
| 2015 | 10 | 16 |
| 2016 | 9 | 13 |
| 2017 | 15 | 25 |
| 2018 | 18 | 35 |
| 2019 | 21 | 43 |
| 2020 | 18 | 29 |
| 2021 | 24 | 33 |
| 2022 | 21 | 26 |
| 2023 | 20 | 41 |
| 2024 | 15 | 31 |
| 2025 | 20 | 22 |
| 2026 | 23 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Voltammetric method and apparatus453US 5,686,829 AMetrohm AG · 1997
- Molecule-based microelectronic devices444US 4,721,601 AMassachusetts Institute of Technology · 1988
- Polarographic cell403US 4,100,048 AU. S. Philips Corporation · 1978
- Molecule-based microelectronic devices301US 5,034,192 AMassachusetts Institute of Technology · 1991
- Electrochemical sensor with temperature compensation means145US 4,338,174 AMcNeilab, Inc. · 1982