G01N 1/24
Suction devices
Official title: Suction devices {(G01N1/22 - G01N1/2294 take precedence)}
G01N1/24 (Suction devices) appears on 995 US grants and 787 published applications in this corpus.
Search patents in G01N- Granted patents
- 995
- Published applications
- 787
- Assignees
- 685
- Inventors
- 2,196
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 10 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 15 | 0 |
| 1981 | 16 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 12 | 0 |
| 1985 | 9 | 0 |
| 1986 | 15 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 14 | 0 |
| 1992 | 19 | 0 |
| 1993 | 15 | 0 |
| 1994 | 24 | 0 |
| 1995 | 13 | 0 |
| 1996 | 19 | 0 |
| 1997 | 16 | 0 |
| 1998 | 14 | 0 |
| 1999 | 18 | 0 |
| 2000 | 15 | 0 |
| 2001 | 25 | 10 |
| 2002 | 23 | 19 |
| 2003 | 36 | 44 |
| 2004 | 28 | 67 |
| 2005 | 28 | 35 |
| 2006 | 26 | 21 |
| 2007 | 25 | 25 |
| 2008 | 26 | 17 |
| 2009 | 10 | 6 |
| 2010 | 13 | 11 |
| 2011 | 10 | 8 |
| 2012 | 11 | 14 |
| 2013 | 6 | 18 |
| 2014 | 10 | 19 |
| 2015 | 12 | 23 |
| 2016 | 18 | 31 |
| 2017 | 22 | 23 |
| 2018 | 29 | 32 |
| 2019 | 33 | 36 |
| 2020 | 29 | 45 |
| 2021 | 32 | 58 |
| 2022 | 37 | 54 |
| 2023 | 50 | 56 |
| 2024 | 37 | 53 |
| 2025 | 44 | 35 |
| 2026 | 39 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas detection system22 Sep 2026US 12,742,708 B2Sintokogio, Ltd.
- Air purifier15 Sep 2026US 12,736,443 B2Samsung Electronics Co., Ltd.
- Gas detection equipment15 Sep 2026US 12,736,444 B2Weltall Technology Corp.
- Early fire detection system for an ESS battery module1 Sep 2026US 12,724,018 B2Alllitelife Co., Ltd.
- Sensor apparatus for analyzing a sample gas volume18 Aug 2026US 12,710,412 B2Hella GmbH & Co. KGaA
- Diaphragm-regulated capillary flow controller, sampling assembly, and methods for sampling8 Oct 2026US 2026/0309592 A1Restek Corporation
- Scent collection system and method8 Oct 2026US 2026/0309593 A1
- Device for sampling a gas, and gas measuring device for the qualitative or quantitative determination of a component in a breathing gas sample8 Oct 2026US 2026/0309698 A1Dräger Safety AG & Co. KGaA
- Continuous bioaerosol sampling device and method3 Sep 2026US 2026/0259115 A1The First Affiliated Hospital of Guangzhou Medical University (Guangzhou Respiratory Center)
- Tube for volatile and semi-volatile compound sampling and sampling process13 Aug 2026US 2026/0235479 A1Vsol AnáLises Ambientais Ltda
Most cited
By later US patents
- Robust system for screening mail for biological agents1,080US 6,887,710 B2MesoSystems Technology, Inc. · 2005
- Positive displacement piston flow meter with damping assembly818US 5,562,002 ASensidyne, Inc. · 1996
- Aerosol particle sensor with axial fan324US 7,667,839 B2Particle Measuring Systems, Inc. · 2010
- Air quality monitoring systems and methods168US 7,302,313 B2Aircuity, Inc. · 2007
- Method and apparatus for measuring a parameter of a gas in isolation from gas pressure fluctuations162US 5,325,861 APuritan-Bennett Corporation · 1994