B03C 7/04
With material carriers in the form of trays, troughs, or tables
Official title: with material carriers in the form of trays, troughs, or tables
B03C7/04 (With material carriers in the form of trays, troughs, or tables) appears on 31 US grants and 16 published applications in this corpus.
Search patents in B03C- Granted patents
- 31
- Published applications
- 16
- Assignees
- 28
- Inventors
- 75
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for electrostatic separation of glandular trichomes18 Nov 2025US 12,472,511 B1
- Electrostatic separator21 May 2024US 11,986,839 B2Kawasaki Jukogyo Kabushiki Kaisha
- Electrostatic separator and electrostatic separation method2 Apr 2024US 11,944,983 B2Kawasaki Jukogyo Kabushiki Kaisha
- Handling and sorting materials using electroadhesion19 Mar 2019US 10,232,383 B2SRI International
- Handling and sorting materials using electroadhesion8 Nov 2016US 9,486,814 B2SRI International
- Method and apparatus for electrostatic separation of glandular trichomes16 Apr 2026US 2026/0102777 A1
- Method for recycling silicon photovoltaic modules27 Feb 2025US 2025/0065341 A1NewSouth Innovations Pty Limited
- Electrostatic separator21 Dec 2023US 2023/0405604 A1Kawasaki Jukogyo Kabushiki Kaisha
- Electrostatic separator and electrostatic separation method14 Dec 2023US 2023/0398553 A1Kawasaki Jukogyo Kabushiki Kaisha
- Electrostatic separation of impurities during powder additive manufacturing4 Aug 2022US 2022/0241862 A1The Boeing Company
Most cited
By later US patents
- Method of making an electric field device49US 4,652,318 ANgk Spark Plug Co., Ltd. · 1987
- Electrostatic actuator40US 5,378,954 AFujitsu Limited · 1995
- Electrostatic method of separating particulate materials35US 6,320,148 B12001
- Electric field device33US 4,922,099 ANgk Spark Plug Co., Ltd. · 1990
- Separation of plastic materials29US 5,397,066 AMobil Oil Corporation · 1995