A47L 11/162
Having only a single disc brush
Official title: having only a single disc brush
A47L11/162 (Having only a single disc brush) appears on 109 US grants and 53 published applications in this corpus.
Search patents in A47L- Granted patents
- 109
- Published applications
- 53
- Assignees
- 72
- Inventors
- 175
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 4 | 5 |
| 2014 | 2 | 3 |
| 2015 | 2 | 2 |
| 2016 | 1 | 4 |
| 2017 | 3 | 2 |
| 2018 | 3 | 1 |
| 2019 | 2 | 3 |
| 2020 | 0 | 3 |
| 2021 | 5 | 2 |
| 2022 | 2 | 4 |
| 2023 | 3 | 3 |
| 2024 | 1 | 3 |
| 2025 | 2 | 2 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Buffer stain applicator apparatus6 Oct 2026US 12,751,593 B1
- Hand-guided floor cleaning machine with a suction foot mount25 Aug 2026US 12,714,279 B2Hako GmbH
- Rotary floor buffing pad with agitator insert14 Apr 2026US 12,599,278 B1The Tuway American Group, Inc.
- Buffing pad3 Mar 2026US 12,564,917 B2Buff and Shine Mfg., Inc.
- Spinning bit and storage tank adaptor for power tools14 Oct 2025US 12,440,941 B1
- Cleaning Assembly and Cleaning Device Including the Assembly18 Jun 2026US 2026/0165459 A1
- Buffing Pad21 May 2026US 2026/0138235 A1Buff and Shine Manufacturing, Inc.
- Low profile treatment machine25 Sep 2025US 2025/0296190 A1Diversey, Inc.
- Modular floor machine20 Mar 2025US 2025/0089973 A1Amano Pioneer Eclipse Corporation
- Buffing Pad14 Nov 2024US 2024/0375247 A1Buff and Shine Manufacturing, Inc.
Most cited
By later US patents
- Riding attachment to floor buffer machine39US 4,010,507 AThe Raymond Lee Organization, Inc. · 1977
- Sprayer attachment for a floor buffing machine38US 4,432,472 AG & L Manufacturing & Develop. Corp. · 1984
- Automobile cleaning and waxing tool37US 4,188,682 A1980
- Battery powered, riding, floor treating machine36US 6,450,867 B1Nilfisk-Advance, Inc. · 2002
- Buffer deck assembly and surface maintenance apparatus35US 4,654,918 A1987