B03D 1/1456
Feed mechanisms for the slurry
Official title: {Feed mechanisms for the slurry}
B03D1/1456 (Feed mechanisms for the slurry) appears on 198 US grants and 128 published applications in this corpus.
Search patents in B03D- Granted patents
- 198
- Published applications
- 128
- Assignees
- 156
- Inventors
- 379
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 4 |
| 2003 | 5 | 3 |
| 2004 | 7 | 7 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 2 | 5 |
| 2008 | 0 | 5 |
| 2009 | 1 | 4 |
| 2010 | 4 | 6 |
| 2011 | 4 | 9 |
| 2012 | 8 | 3 |
| 2013 | 3 | 10 |
| 2014 | 7 | 5 |
| 2015 | 10 | 4 |
| 2016 | 5 | 6 |
| 2017 | 2 | 5 |
| 2018 | 5 | 5 |
| 2019 | 2 | 5 |
| 2020 | 2 | 6 |
| 2021 | 7 | 8 |
| 2022 | 3 | 8 |
| 2023 | 3 | 6 |
| 2024 | 6 | 2 |
| 2025 | 5 | 7 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for flotation separation in a magnetically controllable and steerable medium5 May 2026US 12,618,010 B2Cidra Corporate Services Inc.
- Pre-flotation high efficiency slurry conditioning device for wide-particle-grade flotation13 Jan 2026US 12,521,732 B2China University of Mining and Technology
- Headrace system13 Jan 2026US 12,522,518 B2Utsunomiya Kogyo Co., Ltd.
- Separator apparatus and feed arrangement for increased capacity4 Nov 2025US 12,458,980 B2FLSmidth A/S
- Systems and processes for injecting gas-infused additives8 Jul 2025US 12,351,481 B2Ecolab USA Inc.
- The control of continuous water treatment14 Aug 2025US 2025/0256998 A1The Water & Carbon Group Pty, Ltd.
- Water treatment system10 Jul 2025US 2025/0223197 A1SK Innovation Co., Ltd.
- Devices for vortex flotation mineralization based on confined space and methods for mineralization29 May 2025US 2025/0170586 A1China University of Mining and Technology
- Vortex mineralization-static separation flotation device and flotation method22 May 2025US 2025/0161957 A1China University of Mining and Technology
- Reaction and separation apparatus13 Feb 2025US 2025/0050243 A1Bioly Limited
Most cited
By later US patents
- Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles82US 4,981,582 AVirginia Tech Intellectual Properties, Inc. · 1991
- Treatment of primary tailings and middlings from the hot water extraction process for recovering bitumen from tar sand68US 4,545,892 AAlberta Energy Company Ltd. · 1985
- Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids58US 6,811,713 B2Hydrotreat, Inc. · 2004
- Apparatus and method for separation of wet particles56US 5,192,423 AHydro Processing & Mining Ltd. · 1993
- Upflow gas eductor induced air floatation separator54US 4,564,457 AL'eau Claire Systems, Inc. · 1986