B01D 21/2466
Mammoth pumps
Official title: {Mammoth pumps, e.g. air lift pumps}
B01D21/2466 (Mammoth pumps) appears on 49 US grants and 25 published applications in this corpus.
Search patents in B01D- Granted patents
- 49
- Published applications
- 25
- Assignees
- 30
- Inventors
- 80
- Latest grant
- 13 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 5 |
| 2005 | 2 | 0 |
| 2006 | 2 | 4 |
| 2007 | 3 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sand setting circulating device for wave-current tank test tailings13 Jun 2023US 11,674,280 B2Fishery Engineering Research Institute, Chinese Academy Of Fishery Sciences
- Sludge harvester improvements25 Jan 2022US 11,229,861 B2Airrat Pty Ltd
- Non-clogging airlift pumps and systems and methods employing the same27 Apr 2021US 10,989,228 B2Pulsed Burst Systems, LLC
- Tailings recovery system15 Dec 2020US 10,864,464 B2
- Apparatus for lifting liquid in a body of liquid30 Apr 2019US 10,273,177 B2
- Wastewater Treatment System11 Apr 2024US 2024/0115976 A1Hydro-Dyne Engineering, Inc.
- Sand setting circulating device for wave-current tank test tailings20 Apr 2023US 2023/0120957 A1Fishery Engineering Research Institute, Chinese Academy Of Fishery Sciences
- Sludge harvester improvements14 May 2020US 2020/0147521 A1Airrat Pty Ltd
- Tailings recovery system2 Jan 2020US 2020/0001209 A1
- Non-clogging airlift pumps and systems and methods employing the same13 Dec 2018US 2018/0353916 A1Pulsed Burst Systems, LLC
Most cited
By later US patents
- Trailer mounted mobile apparatus for dewatering and recovering formation sand109US 7,240,681 B22007
- Process and apparatus for electrocoagulative treatment of industrial waste water63US 5,928,493 AKaspar Electroplating Corporation · 1999
- Sedimentation removal assembly for flow-through sedimentary tank57US 7,284,670 B2Aero-Mod, Inc. · 2007
- Method and apparatus for treating moist dust and mud in the steel industry35US 4,661,243 AHoesch Aktiengesellschaft · 1987
- Liquid jet solids removal system for process vessels34US 4,913,819 AAtlantic Richfield Company · 1990