B03D 1/145
Feed mechanisms for reagents
Official title: {Feed mechanisms for reagents (devices for feeding measured quantities of reagents B01J4/02)}
B03D1/145 (Feed mechanisms for reagents) appears on 9 US grants and 11 published applications in this corpus.
Search patents in B03D- Granted patents
- 9
- Published applications
- 11
- Assignees
- 12
- Inventors
- 29
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and processes for injecting gas-infused additives8 Jul 2025US 12,351,481 B2Ecolab USA Inc.
- Switchable system for high-salinity brine desalination and fractional precipitation12 Dec 2023US 11,840,462 B2Battelle Energy Alliance, LLC
- Vinasse treatment process by flotation in flow27 Jun 2023US 11,684,932 B2Dt Engenharia De Empreendimentos Ltda
- System of concentrating and separating waste solvent liquid6 Sep 2022US 11,434,187 B2Ecove Waste Management Corporation
- Flotation performance enhancement12 Jul 2022US 11,383,250 B2Cameron International Corporation
- Apparatus and method for reagentizing and aerating feed to flotation machines14 Nov 2024US 2024/0375122 A1FLSmidth A/S
- Fluidized-Bed Flotation Unit, Mineral Processing Apparatus, and Fluidized-Bed Flotation Method31 Aug 2023US 2023/0271196 A1Metso Outotec Finland Oy
- Protein skimmer neck insert2 Feb 2023US 2023/0031690 A1
- Systems and processes for injecting gas-infused additives10 Nov 2022US 2022/0356079 A1Ecolab USA Inc.
- Flotation slurry conditioning method based on controlling interfacial micro-nano bubbles8 Sep 2022US 2022/0280951 A1Wuhan University of Technology
Most cited
By later US patents