B03C 1/247
Obtained by a rotating magnetic drum
Official title: obtained by a rotating magnetic drum
B03C1/247 (Obtained by a rotating magnetic drum) appears on 91 US grants and 85 published applications in this corpus.
Search patents in B03C- Granted patents
- 91
- Published applications
- 85
- Assignees
- 69
- Inventors
- 177
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 0 | 0 |
| 2010 | 4 | 0 |
| 2011 | 1 | 3 |
| 2012 | 2 | 8 |
| 2013 | 2 | 6 |
| 2014 | 6 | 3 |
| 2015 | 5 | 7 |
| 2016 | 1 | 5 |
| 2017 | 6 | 5 |
| 2018 | 6 | 5 |
| 2019 | 2 | 4 |
| 2020 | 4 | 5 |
| 2021 | 4 | 4 |
| 2022 | 2 | 8 |
| 2023 | 4 | 0 |
| 2024 | 9 | 5 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for recovering metal from ash17 Feb 2026US 12,551,901 B2
- System and process for the recovery of titanium, titanium alloy, zirconium and zirconium alloy scrap18 Mar 2025US 12,252,761 B2
- System and method for processing scrap material18 Feb 2025US 12,226,783 B2BlueScope Recycling and Materials LLC
- Material separation system29 Oct 2024US 12,128,423 B2Vigie Group
- Recycled glass pozzolan for concrete29 Oct 2024US 12,129,214 B1KLAW Industries LLC
- Optimized Sorting of Recycling Scrap23 Jul 2026US 2026/0208229 A1Speira GmbH
- System for removing material unsuitable for shredding, drum-type magnetic separator, information processing device, method of separating material unsuitable for shredding, control method of information processing device, and program14 May 2026US 2026/0131335 A1Nippon Steel Corporation
- Liquid extraction system2 Apr 2026US 2026/0091395 A1Honeywell International Inc.
- System and method for recycling magnetic material and rare earth elements contained therein4 Dec 2025US 2025/0369072 A1Cyclic Materials Inc.
- System and method for recycling magnetic material and rare earth elements contained therein3 Apr 2025US 2025/0109454 A1Cyclic Materials Inc.
Most cited
By later US patents
- Method and apparatus for sorting non-ferrous metal pieces73US 4,834,870 AHuron Valley Steel Corporation · 1989
- Multistep separation of plastics38US 7,802,685 B2MBA Polymers, Inc. · 2010
- Conductive material sorting device36US 5,394,991 ASenko Kogyo Co., Ltd. · 1995
- Mechanized separation of mixed solid waste and recovery of recyclable products34US 8,322,639 B2Organic Energy Corporation · 2012
- Rotor for magnetically sorting different metals25US 4,869,811 AHuron Valley Steel Corporation · 1989