A46B 3/14
Specially adapted for street-cleaning or rail-cleaning brooms
Official title: specially adapted for street-cleaning or rail-cleaning brooms
A46B3/14 (Specially adapted for street-cleaning or rail-cleaning brooms) appears on 45 US grants and 23 published applications in this corpus.
Search patents in A46B- Granted patents
- 45
- Published applications
- 23
- Assignees
- 24
- Inventors
- 52
- Latest grant
- 12 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 4 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Side brush and intelligent cleaning device12 Aug 2025US 12,383,111 B2Beijing Roborock Technology Co., Ltd.
- Disk broom, sweeping device and floor cleaning machine17 Dec 2024US 12,167,789 B2Hako GmbH
- Gutter broom9 Jul 2024US 12,029,312 B2Old Dominion Brush Company
- Gutter broom19 Sep 2023US 11,759,004 B2Old Dominion Brush Company
- Cable broom12 Sep 2023US 11,751,677 B2Old Dominion Brush Company
- Roller brush mounting structure for pavement sweepers14 May 2026US 2026/0130495 A1Necematt, S.L.
- Side brush and intelligent cleaning device6 Nov 2025US 2025/0339010 A1Beijing Roborock Technology Co., Ltd.
- Dish Brush for Sweeping Machines with Demountable Segmental Plate Elements provided with Brush Plugs.8 Feb 2024US 2024/0044095 A1Koti Onroerend Goed B.V.
- Gutter broom5 Oct 2023US 2023/0309683 A1Old Dominion Brush Company
- Gutter broom8 Jun 2023US 2023/0172350 A1Old Dominion Brush Company
Most cited
By later US patents