G01N 30/6004
End pieces
Official title: {end pieces}
G01N30/6004 (End pieces) appears on 801 US grants and 688 published applications in this corpus.
Search patents in G01N- Granted patents
- 801
- Published applications
- 688
- Assignees
- 326
- Inventors
- 1,297
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 15 | 0 |
| 1989 | 10 | 0 |
| 1990 | 11 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 18 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 19 | 0 |
| 1998 | 15 | 0 |
| 1999 | 15 | 0 |
| 2000 | 26 | 0 |
| 2001 | 21 | 2 |
| 2002 | 16 | 21 |
| 2003 | 25 | 29 |
| 2004 | 18 | 27 |
| 2005 | 18 | 26 |
| 2006 | 20 | 30 |
| 2007 | 11 | 28 |
| 2008 | 12 | 20 |
| 2009 | 11 | 22 |
| 2010 | 14 | 33 |
| 2011 | 15 | 28 |
| 2012 | 14 | 29 |
| 2013 | 13 | 40 |
| 2014 | 30 | 34 |
| 2015 | 28 | 31 |
| 2016 | 26 | 30 |
| 2017 | 23 | 26 |
| 2018 | 27 | 30 |
| 2019 | 31 | 38 |
| 2020 | 24 | 25 |
| 2021 | 39 | 26 |
| 2022 | 26 | 32 |
| 2023 | 17 | 22 |
| 2024 | 31 | 22 |
| 2025 | 22 | 19 |
| 2026 | 8 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas-less eluent generator6 Oct 2026US 12,753,517 B2Dionex Corporation
- Chromatography devices and methods29 Sep 2026US 12,748,084 B2Dpx Technologies, Inc.
- Filter assemblies, depth indicators, torque-limiting fittings, torque-indicating fittings, and systems incorporating the same23 Jun 2026US 12,663,403 B2Agilent Technologies, Inc.
- Pipe for chromatograph and method of manufacturing pipe for chromatograph26 May 2026US 12,638,425 B2Shimadzu Corporation
- Light-guiding flow cell technologies19 May 2026US 12,631,604 B2Waters Technologies Corporation
- High pressure fluid handling device for liquid chromatography8 Oct 2026US 2026/0309684 A1IDEX Health & Science LLC
- Chromatography column1 Oct 2026US 2026/0295461 A1Astrea UK Services Limited
- Capillary Assembly for use in Liquid Chromatography1 Oct 2026US 2026/0298886 A1Dionex Softron GmbH
- Liquid chromatography piston17 Sep 2026US 2026/0276606 A1Changzhou Ruixi Biotechnology Co., Ltd.
- Chromatography column height-locking mechanism27 Aug 2026US 2026/0249211 A1Diba Industries, Inc.
Most cited
By later US patents
- Integrated multilayered microfludic devices and methods for making the same242US 6,572,830 B1Motorola, Inc. · 2003
- Multilayered microfluidic DNA analysis system and method238US 6,544,734 B12003
- Microfluidic array devices and methods of manufacture and uses thereof153US 6,800,849 B22004
- Method and apparatus for improving electrospray ionization of solute species135US 5,306,412 AAnalytica of Branford, Inc. · 1994
- Capillary column chromatography process and system123US 6,581,441 B1PerSeptive Biosystems, Inc. · 2003