G01N 2030/445
Heart cut
Official title: {heart cut}
G01N2030/445 (Heart cut) appears on 9 US grants and 6 published applications in this corpus.
Search patents in G01N- Granted patents
- 9
- Published applications
- 6
- Assignees
- 6
- Inventors
- 21
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-column gas chromatography for analysis of a formation sample25 Nov 2025US 12,480,930 B2Halliburton Energy Services.Inc.
- Temporary storage of sample portions for artefact-preventing fluid processing10 Nov 2020US 10,830,739 B2Agilent Technologies, Inc.
- Backflush methods and devices for chromatography2 Apr 2019US 10,247,710 B2PerkinElmer Health Sciences, Inc.
- Backflush methods and devices for chromatography22 Oct 2013US 8,562,837 B2PerkinElmer Health Sciences, Inc.
- Method for analyzing a sample by using a liquid chromatograph16 May 2000US 6,063,283 AShiseido Company, Ltd.
- Multi-column gas chromatography for analysis of a formation sample30 May 2024US 2024/0175858 A1Halliburton Energy Services.Inc.
- Purity detection of separated sample portion as basis for a positive or negative decision concerning further separation16 Dec 2021US 2021/0387192 A1Agilent Technologies, Inc.
- Temporary storage of sample portions for artefact-preventing fluid processing3 Aug 2017US 2017/0219540 A1Agilent Technologies, Inc.
- Backflush methods and devices for chromatography9 Jun 2016US 2016/0161452 A1PerkinElmer Health Sciences, Inc.
- Backflush methods and devices for chromatography24 May 2012US 2012/0125444 A1PerkinElmer Health Sciences, Inc.
Most cited
By later US patents
- Liquid chromatograph having a micro- and semi-micro column43US 5,738,783 AShiseido Company, Ltd. · 1998
- Chromatographic apparatus and method33US 4,274,967 ATechnicon Instruments Corporation · 1981
- Chromatographic apparatus and method22US 4,204,952 ATechnicon Instruments Corporation · 1980
- Method for analyzing a sample by using a liquid chromatograph14US 6,063,283 AShiseido Company, Ltd. · 2000
- Process for fractional separation of a plurality of components from the mixture thereof13US 5,223,143 AJapan Organo Co., Ltd. · 1993