A47L 11/204
Having combined drive for brushes and for vacuum cleaning
Official title: having combined drive for brushes and for vacuum cleaning
A47L11/204 (Having combined drive for brushes and for vacuum cleaning) appears on 61 US grants and 62 published applications in this corpus.
Search patents in A47L- Granted patents
- 61
- Published applications
- 62
- Assignees
- 23
- Inventors
- 91
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 2 |
| 2019 | 0 | 10 |
| 2020 | 2 | 5 |
| 2021 | 6 | 5 |
| 2022 | 10 | 11 |
| 2023 | 3 | 13 |
| 2024 | 16 | 7 |
| 2025 | 3 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nozzle for cleaner5 May 2026US 12,616,345 B2LG Electronics Inc.
- Nozzle for cleaner17 Feb 2026US 12,551,069 B2LG Electronics Inc.
- Nozzle for cleaner17 Feb 2026US 12,551,074 B2LG Electronics Inc.
- Nozzle for cleaner21 Oct 2025US 12,446,751 B2LG Electronics Inc.
- Nozzle for cleaner22 Apr 2025US 12,279,731 B2LG Electronics Inc.
- Nozzle for cleaner28 May 2026US 2026/0144419 A1LG Electronics Inc.
- Nozzle for cleaner28 May 2026US 2026/0144422 A1LG Electronics Inc.
- Nozzle for cleaner29 Jan 2026US 2026/0026669 A1LG Electronics Inc.
- Nozzle for cleaner24 Jul 2025US 2025/0235065 A1LG Electronics Inc.
- Nozzle for cleaner3 Jul 2025US 2025/0213087 A1LG Electronics Inc.
Most cited
By later US patents
- Battery powered walk behind floor burnisher45US 4,805,258 ATennant Trend Inc. · 1989
- Floor cleaning machine with vacuum pickup32US 3,931,662 A1976
- Floor cleaning machine with foam dispensing system30US 4,000,536 A1977
- Floor maintenance machine29US 3,942,215 A1976
- Portable cleaning apparatus28US 4,357,730 A1982