G01N 2030/204
Linearly moving valves
Official title: {Linearly moving valves, e.g. sliding valves}
G01N2030/204 (Linearly moving valves) appears on 37 US grants and 22 published applications in this corpus.
Search patents in G01N- Granted patents
- 37
- Published applications
- 22
- Assignees
- 32
- Inventors
- 92
- Latest grant
- 11 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 3 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 3 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Preparative chromatograph system11 Feb 2025US 12,222,335 B2Shimadzu Corporation
- Stacked layer-type member with integrated functional component15 Jun 2021US 11,035,833 B2Agilent Technologies, Inc.
- HPLC sample introduction with bypass channel23 Mar 2021US 10,953,345 B2Agilent Technologies, Inc.
- Sample transfer device and method for sample transfer12 Jan 2021US 10,888,860 B2Hoffmann-La Roche Inc.
- Method and device for two-dimensional separation of ionic species24 Dec 2019US 10,514,358 B2UniversitäT Regensburg
- Preparative chromatograph system5 May 2022US 2022/0137007 A1Shimadzu Corporation
- Sample transfer device and method for sample transfer3 Jan 2019US 2019/0001329 A1Hoffmann-La Roche Inc.
- Stacked layer-type member with integrated functional component30 Aug 2018US 2018/0246072 A1Agilent Technologies, Inc.
- Multi-Way Valve16 Aug 2018US 2018/0231509 A1Siemens Aktiengesellschaft
- Flow path structure and measuring device for liquid to be measured9 Aug 2018US 2018/0224409 A1Alps Electric Co., Ltd.
Most cited
By later US patents
- Method and apparatus for reproducible sample injection on microfabricated devices68US 6,875,403 B2Microchem Solutions · 2005
- Chromatographic systems with pre-detector eluent switching56US 6,641,783 B12003
- Mechanical gas chromatography injection valves and column multiplexing techniques37US 5,205,845 AThe Regents of the University of Michigan · 1993
- Concentration valve for a gas detecting apparatus, or the like27US 4,128,008 AXonics, Inc. · 1978
- Gas chromatography system with column bifurcation and tunable selectivity26US 5,281,256 AThe Regents of the University of Michigan · 1994