A47L 13/41
Magnetic cleaning implements
A47L13/41 (Magnetic cleaning implements) appears on 33 US grants and 27 published applications in this corpus.
Search patents in A47L- Granted patents
- 33
- Published applications
- 27
- Assignees
- 11
- Inventors
- 50
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 2 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 2 | 4 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic sweeper10 Feb 2026US 12,543,913 B2
- System and method for retrieving objects9 Sep 2025US 12,409,564 B1
- Ceramic powered steel shot magnetic sweeper apparatus18 Feb 2025US 12,226,782 B2Bluestreak Equipment Inc.
- Magnetic vertical axis rotary clean off attachment apparatus4 Feb 2025US 12,213,634 B2Bluestreak Equipment Inc.
- Sweeper bin16 Jul 2024US 12,035,864 B1
- Foldable handheld magnetic sweeper apparatus20 Aug 2026US 2026/0240399 A1Bluestreak Equipment Inc.
- Magnetic sweeper11 Dec 2025US 2025/0375085 A1
- Continuous discharge magnetic sweeper apparatus with horizontal axis rotary clean off2 Jan 2025US 2025/0000326 A1
- Magnetic vertical axis rotary clean off attachment apparatus4 Jul 2024US 2024/0215793 A1Bluestreak Equipment Inc.
- Ceramic powered steel shot magnetic sweeper apparatus4 Jul 2024US 2024/0216927 A1Bluestreak Equipment Inc.
Most cited
By later US patents