A47J 43/255
With grating discs or drums
Official title: {with grating discs or drums}
A47J43/255 (With grating discs or drums) appears on 126 US grants and 106 published applications in this corpus.
Search patents in A47J- Granted patents
- 126
- Published applications
- 106
- Assignees
- 72
- Inventors
- 216
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 3 |
| 2005 | 3 | 9 |
| 2006 | 3 | 2 |
| 2007 | 2 | 5 |
| 2008 | 3 | 5 |
| 2009 | 4 | 4 |
| 2010 | 3 | 6 |
| 2011 | 2 | 1 |
| 2012 | 3 | 2 |
| 2013 | 2 | 9 |
| 2014 | 5 | 6 |
| 2015 | 5 | 2 |
| 2016 | 3 | 7 |
| 2017 | 3 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 7 |
| 2020 | 4 | 4 |
| 2021 | 2 | 2 |
| 2022 | 1 | 3 |
| 2023 | 4 | 6 |
| 2024 | 2 | 5 |
| 2025 | 7 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents