C02F 2303/24
Separation of coarse particles
Official title: Separation of coarse particles, e.g. by using sieves or screens
C02F2303/24 (Separation of coarse particles) appears on 519 US grants and 724 published applications in this corpus.
Search patents in C02F- Granted patents
- 519
- Published applications
- 724
- Assignees
- 429
- Inventors
- 1,337
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 8 |
| 2005 | 2 | 10 |
| 2006 | 7 | 10 |
| 2007 | 4 | 16 |
| 2008 | 13 | 20 |
| 2009 | 11 | 27 |
| 2010 | 18 | 22 |
| 2011 | 19 | 31 |
| 2012 | 13 | 23 |
| 2013 | 15 | 35 |
| 2014 | 26 | 40 |
| 2015 | 19 | 47 |
| 2016 | 28 | 55 |
| 2017 | 37 | 36 |
| 2018 | 37 | 38 |
| 2019 | 46 | 33 |
| 2020 | 32 | 44 |
| 2021 | 34 | 45 |
| 2022 | 30 | 44 |
| 2023 | 33 | 43 |
| 2024 | 33 | 44 |
| 2025 | 20 | 32 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced foam fractionation of oil phase from aqueous/oil mixed phase via increased viscoelasticity8 Sep 2026US 12,729,140 B2Ecolab USA Inc.
- Systems for grit removal16 Jun 2026US 12,655,036 B1
- Method and system for fine particulate removal and processing from a coal combustion residual surface impoundment2 Jun 2026US 12,643,804 B2United Conveyor Corporation
- Portable system for purification of liquids2 Jun 2026US 12,643,805 B2
- System and method for scale management in water heating system26 May 2026US 12,638,215 B2Bradford White Corporation
- A water treatment cartridge1 Oct 2026US 2026/0296943 A1HCL Technologies Limited
- Water intake filtration system24 Sep 2026US 2026/0285705 A1
- Method and System for Fine Particulate Removal and Processing from a Coal Combustion Residual Surface Impoundment24 Sep 2026US 2026/0285729 A1United Conveyor Corporation
- Device and method for removing silicate from reverse osmosis concentrate by induced crystallization3 Sep 2026US 2026/0257147 A1Greentech Environment Co., Ltd.
- Outflow filter assembly for a water filtration system and a method therefor13 Aug 2026US 2026/0234028 A1
Most cited
By later US patents
- Methods and apparatus for the application of combined fields to disinfect fluids89US 5,997,812 ACoolant Treatment Systems, L.L.C. · 1999
- Apparatus for the disinfection of fluids75US 6,083,387 ABurnham Technologies Ltd. · 2000
- Apparatus for treating effluents71US 5,145,256 AEnvironmental Equipment Corporation · 1992
- Bioconversion reactor and system70US 5,078,882 ABion Technologies, Inc. · 1992
- Apparatus for treating industrial and domestic waste waters66US 3,956,128 ADegremont · 1976