A47L 11/2065
Having only one disc brush
Official title: {having only one disc brush}
A47L11/2065 (Having only one disc brush) appears on 10 US grants and 5 published applications in this corpus.
Search patents in A47L- Granted patents
- 10
- Published applications
- 5
- Assignees
- 7
- Inventors
- 19
- Latest grant
- 4 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 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 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 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 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cleaner and control method thereof4 Oct 2022US 11,457,791 B2LG Electronics Inc.
- Water trailing detection system10 Aug 2021US 11,083,357 B2Nilfisk A/S
- Cleaner and control method thereof14 Jul 2020US 10,709,306 B2LG Electronics Inc.
- Water trailing detection system3 Jul 2018US 10,010,231 B2Nilfisk A/S
- Sweeping unit5 Mar 1996US 5,495,638 A
- Cleaner and control method thereof25 Jun 2020US 2020/0196819 A1LG Electronics Inc.
- Cleaner and control method thereof18 Jun 2020US 2020/0187742 A1
- Water trailing detection system17 Jan 2019US 2019/0014965 A1Nilfisk A/S
- Water trailing detection system23 Feb 2017US 2017/0049287 A1Nilfisk, Inc.
- Cleaner and control method thereof16 Feb 2017US 2017/0042401 A1LG Electronics Inc.
Most cited
By later US patents
- Battery powered walk behind floor burnisher45US 4,805,258 ATennant Trend Inc. · 1989
- Floor polishing machines14US 4,178,654 A1979
- Vacuum buffer13US 5,388,305 ASurtec, Inc. · 1995
- Floor polishing machine10US 4,720,886 AHako Minuteman, Inc. · 1988
- Water trailing detection system8US 10,010,231 B2Nilfisk A/S · 2018