A47L 1/12
For cleaning both sides simultaneously
Official title: for cleaning both sides simultaneously
A47L1/12 (For cleaning both sides simultaneously) appears on 18 US grants and 23 published applications in this corpus.
Search patents in A47L- Granted patents
- 18
- Published applications
- 23
- Assignees
- 12
- Inventors
- 31
- Latest grant
- 18 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Window cleaning device7 Dec 2023US 2023/0389759 A1Tyroler Ltd.
- Device for cleaning opposing surfaces of juliette balcony windows and method of use30 Mar 2023US 2023/0094037 A1
- Window cleaning tool6 May 2021US 2021/0127913 A1
- Flexible Magnetic Cleaning Device for Automobile Windows8 Apr 2021US 2021/0101567 A1
- Cleaning apparatus24 Oct 2019US 2019/0321862 A1
Most cited
By later US patents
- Manually operated magnetic window wiper38US 5,515,570 A1996
- Aquarium wall cleaning apparatus35US 5,988,109 ANovalek, Inc. · 1999
- Magnetic window cleaning apparatus30US 4,977,637 A1990
- Process for cleaning aquarium tank walls29US 6,206,978 B1Roger Williams General Hospital · 2001
- Apparatus for remotely cleaning interior walls of tanks from the tank exterior27US 6,634,052 B2Bakker Holding Son B.V. · 2003