B03B 5/20
Using pulses generated by air injection
Official title: using pulses generated by air injection
B03B5/20 (Using pulses generated by air injection) appears on 17 US grants and 3 published applications in this corpus.
Search patents in B03B- Granted patents
- 17
- Published applications
- 3
- Assignees
- 14
- Inventors
- 29
- Latest grant
- 31 May 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 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 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process and device for separating plastics of different chemical composition by flotation31 May 2011US 7,950,525 B2
- Air-pulsed jigging machine with exhaust air removal23 Jun 1998US 5,769,242 AAllmineral Aufbereitungs-technik GmbH & Co. KG
- Centrifugal jig pulsing system12 Mar 1991US 4,998,986 ATrans Mar, Inc.
- Rotating centrifugal jig with Pulsator6 Feb 1990US 4,898,666 ALowan (Management) Pty Limited
- Air-controlled settling apparatus1 Jul 1986US 4,597,867 AKrupp Polysius AG
Most cited
By later US patents
- Method and apparatus for centrifugally separating a heavy fraction from a light weight fraction within a pulp material26US 4,279,741 AIntercontinental Development Corporation · 1981
- Rotating centrifugal jig with Pulsator10US 4,898,666 ALowan (Management) Pty Limited · 1990
- Method and apparatus for the preparation of mineral mixtures on a jig controlled by compressed air9US 4,019,981 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1977
- Materials separation8US 4,176,749 ANortn-Harty Colliery Engineering Limited · 1979
- Centrifugal jig for ore beneficiation8US 4,574,046 A1986