B01D 29/84
By gases or by heating
Official title: by gases or by heating
B01D29/84 (By gases or by heating) appears on 135 US grants and 27 published applications in this corpus.
Search patents in B01D- Granted patents
- 135
- Published applications
- 27
- Assignees
- 80
- Inventors
- 208
- Latest grant
- 8 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 3 | 4 |
| 2011 | 1 | 0 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid discharge filter and its use8 Aug 2023US 11,717,775 B2Cargill, Incorporated
- Method for operating a filter press and a filter press11 Aug 2020US 10,737,200 B2Outotec (Finland) Oy
- Filtration apparatus17 Apr 2018US 9,943,788 B2Alconbury Weston Ltd
- Oil-filtration system with oil/air separation for automated food-fryers25 Aug 2015US 9,114,336 B2Oberlin Filter Company
- Filter cloth traveling type belt filter and production method of toner particles1 Oct 2013US 8,545,133 B2Canon Kabushiki Kaisha
- Process and circuit for producing enhanced manganese-zinc filter cake compositions with reduced chloride concentrations5 Feb 2026US 2026/0035310 A1Energysource Minerals LLC
- Filter arrangement3 Jul 2025US 2025/0214865 A1
- Liquid discharge filter and its use12 Aug 2021US 2021/0245078 A1Cargill, Incorporated
- Self-cleaning filter10 Dec 2020US 2020/0384388 A1Ceco Environmental IP Inc.
- Method for operating a filter press and a filter press22 Oct 2020US 2020/0330903 A1Outotec (Finland) Oy
Most cited
By later US patents
- Pressure filter with vibratory impactor125US 4,526,688 AIndustrial Filter & Pump Mfg. Co. · 1985
- Reversible filter element87US 5,645,718 AParker-Hannifin Corporation · 1997
- Fuel filter and cartridge assembly70US 5,017,285 AStanadyne Automotive Corp. · 1991
- Fuel filter67US 5,084,170 AStanadyne Automotive Corp. · 1992
- Liquid filter60US 5,520,801 AFilterwerk Mann & Hummel GmbH · 1996