B03C 1/286
Disposed at the inner circumference of a recipient
Official title: {disposed at the inner circumference of a recipient, e.g. magnetic drain bolt}
B03C1/286 (Disposed at the inner circumference of a recipient) appears on 413 US grants and 477 published applications in this corpus.
Search patents in B03C- Granted patents
- 413
- Published applications
- 477
- Assignees
- 301
- Inventors
- 879
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 4 |
| 2002 | 12 | 5 |
| 2003 | 7 | 6 |
| 2004 | 6 | 7 |
| 2005 | 3 | 7 |
| 2006 | 2 | 11 |
| 2007 | 4 | 17 |
| 2008 | 8 | 22 |
| 2009 | 11 | 21 |
| 2010 | 15 | 24 |
| 2011 | 10 | 19 |
| 2012 | 12 | 22 |
| 2013 | 15 | 28 |
| 2014 | 21 | 29 |
| 2015 | 19 | 26 |
| 2016 | 25 | 19 |
| 2017 | 23 | 21 |
| 2018 | 25 | 17 |
| 2019 | 15 | 29 |
| 2020 | 21 | 28 |
| 2021 | 19 | 24 |
| 2022 | 19 | 26 |
| 2023 | 13 | 21 |
| 2024 | 16 | 18 |
| 2025 | 20 | 15 |
| 2026 | 6 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus for dust mitigation18 Aug 2026US 12,708,909 B2
- Removing metal contaminants from drilling mud18 Aug 2026US 12,709,951 B1Saudi Arabian Oil Company
- Device for manipulating magnetic beads and assay method24 Mar 2026US 12,582,997 B2LuminUltra Technologies Ltd.
- Slurry magnetic filter apparatus and cleaning method thereof24 Feb 2026US 12,558,696 B2Guangdong Sophon Intelligent Technology Co., Ltd
- Magnetic filter element and magnetic filtering assembly apparatus and method23 Jul 2026US 2026/0208205 A1
- Switchable magnetic filter16 Jul 2026US 2026/0199906 A1Taco, Inc.
- Device for manipulating magnetic beads and assay method25 Jun 2026US 2026/0175233 A1LuminUltra Technologies Ltd.
- Cooling device25 Jun 2026US 2026/0177312 A1Daikin Industries, Ltd.
- Iron removal device11 Jun 2026US 2026/0158500 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Apparatus and methods for magnetic separation featuring external magnetic means301US 5,466,574 AImmunivest Corporation · 1995
- Method and apparatus for magnetically separating biological particles from a mixture99US 5,602,042 ACytyc Corporation · 1997
- Methods and devices for processing blood samples93US 6,689,615 B12004
- Method and apparatus for protein manipulation83US 6,649,419 B1Large Scale Proteomics Corporation · 2003
- Method and apparatus for magnetic separation of particles72US 6,514,415 B2Dexter Magnetic Technologies, Inc. · 2003