G01N 2021/4146
Differential cell arrangements
Official title: {Differential cell arrangements}
G01N2021/4146 (Differential cell arrangements) appears on 15 US grants and 14 published applications in this corpus.
Search patents in G01N- Granted patents
- 15
- Published applications
- 14
- Assignees
- 7
- Inventors
- 24
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 2 |
| 2018 | 4 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Determining intrinsic viscosity and Huggins constant of an unknown sample10 Feb 2026US 12,546,693 B2Wyatt Technology Corporation
- Differential refractive index measurement method, measurement device, and measurement program4 Jun 2024US 12,000,812 B2Jasco Corporation
- Differential refractometer for gradient chromatography14 Feb 2023US 11,579,079 B2Wyatt Technology Corporation
- Determining intrinsic viscosity and Huggins constant of an unknown sample17 Jan 2023US 11,555,770 B2Wyatt Technology Corporation
- Systems and methods for refractive index detection8 Mar 2022US 11,268,902 B2Waters Technologies Corporation
- Detection of contamination of fluids25 May 2023US 2023/0160845 A1Smokeless World GmbH
- Determining intrinsic viscosity and huggins constant of an unknown sample18 May 2023US 2023/0152197 A1Wyatt Technology Corporation
- Differential refractive index measurement method, measurement device, and measurement program16 Jun 2022US 2022/0187257 A1Jasco Corporation
- Differential refractometer for gradient chromatography27 Jan 2022US 2022/0026359 A1Wyatt Technology Corporation
- Determining intrinsic viscosity and huggins constant of an unknown sample7 Oct 2021US 2021/0310921 A1Wyatt Technology Corporation
Most cited
By later US patents
- Method of monitoring solidification of a liquid composition21US 4,904,080 AThe Board of Regents of the University of Washington · 1990
- Method of monitoring solidification of a liquid composition18US 5,009,102 AThe Board of Regents of the University of Washington · 1991
- Differential refractive index detector2US 7,551,270 B2Shimadzu Corporation · 2009
- Refractive index detector and liquid chromatograph1US 10,101,308 B2Shimadzu Corporation · 2018
- Differential refractometer1US 11,041,804 B2Shimadzu Corporation · 2021