G01N 2015/084
Testing filters
Official title: {Testing filters}
G01N2015/084 (Testing filters) appears on 296 US grants and 346 published applications in this corpus.
Search patents in G01N- Granted patents
- 296
- Published applications
- 346
- Assignees
- 221
- Inventors
- 807
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 3 |
| 2003 | 4 | 5 |
| 2004 | 4 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 8 |
| 2007 | 5 | 8 |
| 2008 | 5 | 7 |
| 2009 | 3 | 10 |
| 2010 | 5 | 4 |
| 2011 | 7 | 8 |
| 2012 | 2 | 3 |
| 2013 | 2 | 6 |
| 2014 | 7 | 20 |
| 2015 | 19 | 18 |
| 2016 | 10 | 17 |
| 2017 | 9 | 27 |
| 2018 | 22 | 28 |
| 2019 | 25 | 22 |
| 2020 | 24 | 29 |
| 2021 | 26 | 19 |
| 2022 | 15 | 19 |
| 2023 | 22 | 20 |
| 2024 | 14 | 28 |
| 2025 | 16 | 16 |
| 2026 | 15 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- Generated particle inspection device and inspection method thereof for pillar-shaped honeycomb filter22 Sep 2026US 12,742,718 B2NGK Insulators, Ltd.
- Hollow fiber screening tool, system, and method8 Sep 2026US 12,729,362 B2Repligen Corporation
- State diagnosis method for separation membrane element1 Sep 2026US 12,722,124 B2Toray Industries, Inc.
- Method for measuring pore size and pore size distribution of filter membrane18 Aug 2026US 12,710,349 B2Shanghai University of Engineering Science
- System for determining filter status8 Oct 2026US 2026/0309611 A1
- Determining removal efficiency of filter materials24 Sep 2026US 2026/0287491 A1CPS Technology Holdings LLC
- Determination apparatus, determination method, determination program, and water treatment system17 Sep 2026US 2026/0273472 A1Yokogawa Electric Corporation
- Diagnosis system and processing device6 Aug 2026US 2026/0227265 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Method for preparing a filling operation16 Jul 2026US 2026/0200613 A1
Most cited
By later US patents
- Air filter monitoring system159US 7,244,294 B22007
- Intelligent thermostat system for monitoring a refrigerant-cycle apparatus134US 7,331,187 B22008
- Method for determining the bubble point or the largest pore of membranes or of filter materials99US 4,744,240 AAkzo N. V. · 1988
- Method and apparatus for monitoring a condenser unit in a refrigerant-cycle system99US 7,114,343 B22006
- Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus99US 7,343,751 B22008