B03B 4/005
The currents being pulsating
Official title: {the currents being pulsating, e.g. pneumatic jigs; combination of continuous and pulsating currents}
B03B4/005 (The currents being pulsating) appears on 14 US grants and 12 published applications in this corpus.
Search patents in B03B- Granted patents
- 14
- Published applications
- 12
- Assignees
- 11
- Inventors
- 27
- Latest grant
- 4 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 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 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Sifting apparatuses26 Dec 2017US 9,849,462 B2Snoby Separation Systems, LLC
- Air jigging machine having a pressure measuring device5 May 2022US 2022/0134352 A1Allmineral Aufbereitungstechnik GmbH & Co. KG
- Coupled system and method for the separation and drying of moist fine particle coal30 Jul 2020US 2020/0238337 A1China University of Mining and Technology
- System and method for recovering desired materials and producing clean aggregate from incinerator ash2 Aug 2018US 2018/0214891 A1Tav Holdings, Inc.
- Method and apparatus for separating contaminants from compost and other recyclable materials4 Jan 2018US 2018/0001323 A1Boreal Compost Enterprises Ltd.
- Sifting apparatuses16 Mar 2017US 2017/0072404 A1Snoby Separation Systems, LLC
Most cited
By later US patents
- Portable apparatus for the recovery of placer gold18US 4,642,180 A1987
- Apparatus for separating heavy solids and light solids from a mixture thereof5US 4,278,537 AAlpine Corporation · 1981
- Air sifting apparatus5US 6,467,631 B2allmineral Llc. · 2002
- Procedure and apparatus for separating heavy particles of material from lighter ones4US 5,964,355 ASunds Defibrator Loviisa Oy · 1999
- Multi-deck air jigging machine4US 8,800,776 B2Allmineral Aufbereitungstechnik GmbH & Co. KG · 2014