B03B 5/40
Of trough type
Official title: of trough type
B03B5/40 (Of trough type) appears on 76 US grants and 51 published applications in this corpus.
Search patents in B03B- Granted patents
- 76
- Published applications
- 51
- Assignees
- 48
- Inventors
- 120
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 5 |
| 2009 | 3 | 1 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 5 |
| 2016 | 4 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 1 |
| 2019 | 0 | 5 |
| 2020 | 1 | 2 |
| 2021 | 3 | 2 |
| 2022 | 3 | 3 |
| 2023 | 4 | 1 |
| 2024 | 3 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Portable cooking system and apparatus for panning for gold19 May 2026US 12,629,694 B1
- Hydraulic density separation device12 Nov 2024US 12,138,635 B2LIG GmbH
- Methods and systems for high throughput separation of materials using stratification and rotational motion13 Aug 2024US 12,059,687 B2
- Separation of heavy from light auto shredder residue23 Jul 2024US 12,042,800 B2SA Recycling LLC
- Placer recovery of particles and related systems, methods, and devices11 Jul 2023US 11,697,122 B2
- Methods and systems for high throughput separation of materials using stratification and rotational motion5 Dec 2024US 2024/0399386 A1
- Hydraulic density separation device20 Jun 2024US 2024/0198355 A1LIG GmbH
- Systems and methods for separating bullets from backstop material6 Jun 2024US 2024/0181468 A11054610 Bc Ltd.
- Separation of heavy from light auto shredder residue31 Aug 2023US 2023/0271193 A1SA Recycling LLC
- Panning device and methods18 Aug 2022US 2022/0258174 A1
Most cited
By later US patents
- Recycling system100US 5,143,308 APlastic Recycling Alliance, LP · 1992
- Plastics separation and recycling methods73US 4,830,188 ARutgers, The State University · 1989
- Separation tank43US 5,100,545 AAdvanced Environmental Recycling Technologies, Inc. · 1992
- Particle separation device and method of separating particles39US 9,365,815 B2National Institute of Advanced Industrial Science and Technology · 2016
- Method of and apparatus for continuously treating comminuted synthetic plastic containers and products having contaminants bonded thereto for recycling purposes31US 5,011,087 A1991