G01N 30/7233
Interfaced to liquid or supercritical fluid chromatograph
Official title: {interfaced to liquid or supercritical fluid chromatograph (interfaces in general for introducing or extracting samples to be analysed with specially adapted mass spectrometer, see H01J49/04)}
G01N30/7233 (Interfaced to liquid or supercritical fluid chromatograph) appears on 1,371 US grants and 1,874 published applications in this corpus.
Search patents in G01N- Granted patents
- 1,371
- Published applications
- 1,874
- Assignees
- 681
- Inventors
- 3,222
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 11 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 14 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 14 | 0 |
| 2001 | 12 | 16 |
| 2002 | 21 | 33 |
| 2003 | 25 | 35 |
| 2004 | 28 | 41 |
| 2005 | 18 | 29 |
| 2006 | 19 | 29 |
| 2007 | 16 | 29 |
| 2008 | 9 | 37 |
| 2009 | 17 | 35 |
| 2010 | 21 | 48 |
| 2011 | 37 | 53 |
| 2012 | 22 | 43 |
| 2013 | 36 | 56 |
| 2014 | 48 | 72 |
| 2015 | 47 | 84 |
| 2016 | 52 | 81 |
| 2017 | 55 | 95 |
| 2018 | 74 | 102 |
| 2019 | 82 | 105 |
| 2020 | 84 | 127 |
| 2021 | 89 | 129 |
| 2022 | 110 | 164 |
| 2023 | 93 | 121 |
| 2024 | 96 | 129 |
| 2025 | 84 | 109 |
| 2026 | 62 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flow module selector29 Sep 2026US 12,748,083 B2Dh Co., Ltd.
- Charge detection mass spectrometry using multiple accumulation events22 Sep 2026US 12,742,754 B2Thermo Finnigan LLC
- Methods for identifying sulfur-treated food products22 Sep 2026US 12,742,755 B2Hong Kong Baptist University
- Preparative system15 Sep 2026US 12,736,507 B2Shimadzu Corporation
- Training data generation apparatus, model training apparatus, sample characteristic estimation apparatus, and chromatograph mass spectrometry apparatus15 Sep 2026US 12,736,508 B2Shimadzu Corporation
- Rapid and Sensitive Methods of Forensic Toxicology in Post-Mortem Individuals Using Oral Fluid and Muscle Tissue8 Oct 2026US 2026/0309727 A1
- Quantitative Analysis of Polysorbate Oxidation1 Oct 2026US 2026/0298885 A1
- Signal amplification for mass detection1 Oct 2026US 2026/0298889 A1Donald Danforth Plant Science Center
- Methods and Systems for Identifying Bioactive Compounds in Herbal Medicines Through Patient Response Analysis1 Oct 2026US 2026/0298890 A1
- Application of reagents for detecting blood metabolites in the preparation of products for the diagnosis of colorectal cancer1 Oct 2026US 2026/0298891 A1Cancer Hospital, Chinese Academy of Medical Sciences
Most cited
By later US patents
- Microscale fluid handling system662US 5,872,010 ANortheastern University · 1999
- Integrated planar liquid handling system for maldi-TOF MS258US 5,705,813 AHewlett-Packard Company · 1998
- Insulated needle for forming an electrospray201US 5,223,226 AMillipore Corporation · 1993
- Apparatus for forming liquid droplets having a mechanically fixed inner microtube193US 5,868,322 AHewlett-Packard Company · 1999
- Use of mass spectrometry fragmentation patterns of peptides to identify amino acid sequences in databases176US 5,538,897 AUniversity of Washington · 1996