G01N 30/18
Using a septum or microsyringe
Official title: using a septum or microsyringe
G01N30/18 (Using a septum or microsyringe) appears on 195 US grants and 147 published applications in this corpus.
Search patents in G01N- Granted patents
- 195
- Published applications
- 147
- Assignees
- 95
- Inventors
- 365
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 3 |
| 2002 | 4 | 6 |
| 2003 | 6 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 4 |
| 2007 | 5 | 7 |
| 2008 | 6 | 5 |
| 2009 | 4 | 2 |
| 2010 | 3 | 3 |
| 2011 | 1 | 6 |
| 2012 | 1 | 7 |
| 2013 | 1 | 8 |
| 2014 | 7 | 7 |
| 2015 | 10 | 5 |
| 2016 | 3 | 4 |
| 2017 | 8 | 1 |
| 2018 | 3 | 5 |
| 2019 | 2 | 14 |
| 2020 | 8 | 9 |
| 2021 | 9 | 10 |
| 2022 | 9 | 7 |
| 2023 | 2 | 7 |
| 2024 | 8 | 11 |
| 2025 | 10 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sample vaporization unit and gas chromatograph12 May 2026US 12,625,115 B2Shimadzu Corporation
- Air measurement methods using gas chromatograph and gas chromatograph analysis system17 Mar 2026US 12,578,313 B2Shimadzu Corporation
- Control method for automatic analyzer24 Feb 2026US 12,560,623 B2Hitachi High-Tech Corporation
- Sample manager, system and method6 Jan 2026US 12,517,096 B2Waters Technologies Corporation
- Sampling with fitting between needle and housing30 Dec 2025US 12,507,925 B2Agilent Technologies, Inc.
- Monoclonal antibody against capsid proteins of multiple aav serotypes, preparation method therefor, and use thereof30 Jul 2026US 2026/0217795 A1
- Workflow for injectable substances when using liquid chromatography testing28 May 2026US 2026/0146976 A1
- Sample manager, system and method7 May 2026US 2026/0126417 A1Waters Technologies Corporation
- Methods and apparatuses for gas chromatography16 Apr 2026US 2026/0104398 A1Separation Systems, Inc.
- Autosampler26 Feb 2026US 2026/0056168 A1Shimadzu Corporation
Most cited
By later US patents
- Liquid chromatograph144US 5,132,012 AHitachi, Ltd. · 1992
- Fluid sample delivery apparatus78US 4,644,807 ADionex Corporation · 1987
- Injection septum71US 4,954,149 AMerlin Instrument Company · 1990
- Gas chromatographic system with controlled sample transfer71US 5,711,786 AThe Perkin-Elmer Corporation · 1998
- Deflected septum seal access port70US 5,882,601 AMerck & Co., Inc. · 1999