G01N 2030/621
Signal-to-noise ratio
Official title: {signal-to-noise ratio}
G01N2030/621 (Signal-to-noise ratio) appears on 177 US grants and 99 published applications in this corpus.
Search patents in G01N- Granted patents
- 177
- Published applications
- 99
- Assignees
- 106
- Inventors
- 307
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 8 | 8 |
| 2003 | 10 | 13 |
| 2004 | 13 | 7 |
| 2005 | 5 | 8 |
| 2006 | 6 | 3 |
| 2007 | 4 | 2 |
| 2008 | 3 | 5 |
| 2009 | 4 | 3 |
| 2010 | 5 | 4 |
| 2011 | 3 | 2 |
| 2012 | 6 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 2 | 5 |
| 2019 | 4 | 6 |
| 2020 | 5 | 3 |
| 2021 | 3 | 9 |
| 2022 | 5 | 1 |
| 2023 | 4 | 1 |
| 2024 | 6 | 4 |
| 2025 | 0 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrolytic device noise reduction and lifetime improvement using modulated driver21 Apr 2026US 12,607,608 B2Dionex Corporation
- Method for analysing hydrocarbons10 Dec 2024US 12,163,935 B2Totalenergies Onetech
- Systems and methods for an absorbance detector with optical reference8 Oct 2024US 12,111,212 B2Excelitas Technologies Corp.
- Coaxial introduction of calibrant in a flow path with analyte to an ion source30 Jul 2024US 12,051,582 B2Waters Technologies Corporation
- Thermal modulator2 Jul 2024US 12,025,595 B2Leco Corporation
- Electrolytic Device Noise Reduction and Lifetime Improvement Using Modulated Driver16 Jul 2026US 2026/0202384 A1Dionex Corporation
- Methods for systems and detectors thereof including a separation media18 Jun 2026US 2026/0168969 A1
- Systems and methods for gas chromatography and contamination detection18 Jun 2026US 2026/0168971 A1Schlumberger Technology Corporation
- Gas chromatograph with dynamic response factors2 Apr 2026US 2026/0092904 A1
- Gas Chromatograph for Detection of a Component of a Chromatographic Sample9 Oct 2025US 2025/0314627 A1ABB Schweiz AG
Most cited
By later US patents
- Flow-injection analysis and variable-flow light-scattering methods and apparatus for characterizing polymers317US 6,175,409 B1Symyx Technologies, Inc. · 2001
- High temperature continuous viscometry coupled with analytic temperature rising elution fractionation for evaluating crystalline and semi-crystalline polymers272US 4,798,081 AThe Dow Chemical Company · 1989
- Software for the display of chromatographic separation data165US 6,430,512 B1Caliper Technologies Corp. · 2002
- Method and apparatus for sample analysis143US 6,865,926 B2State of Oregon acting by and through the State Board of Higher Education on behalf of Portland State University · 2005
- Total analyte quantitation141US 6,733,645 B1Caliper Technologies Corp. · 2004