G01N 15/0618
Of the filter type
Official title: {of the filter type (G01N15/0643 takes precedence)}
G01N15/0618 (Of the filter type) appears on 374 US grants and 372 published applications in this corpus.
Search patents in G01N- Granted patents
- 374
- Published applications
- 372
- Assignees
- 294
- Inventors
- 917
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 8 | 8 |
| 2003 | 9 | 7 |
| 2004 | 2 | 8 |
| 2005 | 8 | 10 |
| 2006 | 3 | 11 |
| 2007 | 8 | 8 |
| 2008 | 6 | 10 |
| 2009 | 3 | 8 |
| 2010 | 6 | 16 |
| 2011 | 14 | 13 |
| 2012 | 12 | 10 |
| 2013 | 13 | 9 |
| 2014 | 5 | 7 |
| 2015 | 10 | 9 |
| 2016 | 6 | 22 |
| 2017 | 13 | 25 |
| 2018 | 13 | 30 |
| 2019 | 28 | 29 |
| 2020 | 23 | 26 |
| 2021 | 16 | 29 |
| 2022 | 22 | 21 |
| 2023 | 20 | 25 |
| 2024 | 11 | 15 |
| 2025 | 22 | 9 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Splashguard and cassette assembly for sterility testing4 Aug 2026US 12,697,591 B2Rapid Micro Biosystems, Inc.
- Method and system for detection of particles focused asymmetrically7 Jul 2026US 12,674,737 B2Bio-Rad Laboratories, Inc.
- Durability and particulate testing system and method24 Mar 2026US 12,582,523 B1Dynatek Labs, Inc.
- Systems and processes for detecting aerosolized viral loads24 Mar 2026US 12,584,841 B2Opteev Technologies, Inc.
- Measurement method, and brake dust measurement program instructions17 Feb 2026US 12,553,802 B2Horiba, Ltd.
- Particle monitoring system, portable microbial air sampler, method for monitoring particles in a sample fluid and method for calibrating/adjusting a partcle monitoring system10 Sep 2026US 2026/0266700 A1Mbv AG
- Filtration device, filtration system, and filtration method20 Aug 2026US 2026/0241313 A1Hitachi High-Tech Corporation
- Durability and particulate testing system and method16 Jul 2026US 2026/0199093 A1
- Device for the detection of bacteria in the air4 Jun 2026US 2026/0153425 A1Nutrintech Med Italia S.r.l.
- Method for measuring extent of microplastic bioaccumulation in bivalves in extreme deep-sea environments5 Mar 2026US 2026/0063620 A1Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)
Most cited
By later US patents
- Medical device durability test apparatus having an integrated particle counter and method of use270US 7,621,192 B2Dynatek Laboratories, Inc. · 2009
- Contaminant monitoring and air filtration system256US 10,422,727 B22019
- Methods and apparatus for continuous ambient particulate mass monitoring86US 5,932,795 APresident and Fellows of Harvard College · 1999
- Method for obtaining a monolayer of desired particles in a liquid sample62US 6,819,408 B1Becton, Dickinson and Company · 2004
- Device for indicating contamination degree of hydraulic circuit and method of judging the contamination degree61US 5,239,861 AKabushiki Kaisha Komatsu Seisakusho · 1993