A47L 9/244
For telescopic or extensible hoses or pipes
Official title: {for telescopic or extensible hoses or pipes}
A47L9/244 (For telescopic or extensible hoses or pipes) appears on 197 US grants and 206 published applications in this corpus.
Search patents in A47L- Granted patents
- 197
- Published applications
- 206
- Assignees
- 100
- Inventors
- 409
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 1 | 1 |
| 2002 | 9 | 8 |
| 2003 | 9 | 2 |
| 2004 | 3 | 6 |
| 2005 | 0 | 5 |
| 2006 | 1 | 9 |
| 2007 | 4 | 16 |
| 2008 | 4 | 8 |
| 2009 | 4 | 7 |
| 2010 | 3 | 7 |
| 2011 | 10 | 3 |
| 2012 | 8 | 5 |
| 2013 | 3 | 9 |
| 2014 | 7 | 9 |
| 2015 | 4 | 4 |
| 2016 | 9 | 6 |
| 2017 | 7 | 19 |
| 2018 | 8 | 14 |
| 2019 | 12 | 20 |
| 2020 | 12 | 9 |
| 2021 | 12 | 7 |
| 2022 | 16 | 10 |
| 2023 | 8 | 2 |
| 2024 | 4 | 10 |
| 2025 | 3 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Solar-powered vacuum device27 Jan 2026US 12,532,999 B2
- Hand-held vacuum cleaner20 Jan 2026US 12,527,448 B2Shenzhen Fanttik Technology Innovation Co., Ltd.
- Vacuum attachment tool21 Oct 2025US 12,446,747 B2
- Hose drive systems, vehicles, and related methods9 Jul 2026US 2026/0191384 A1Alamo Group Inc.
- Wand assembly with debris holder25 Jun 2026US 2026/0174298 A1BISSELL Inc.
- Suction Device And Suction System26 Mar 2026US 2026/0083289 A1Yamabiko Corporation
- Vacuum cleaning device with foldable wand to provide storage configuration19 Feb 2026US 2026/0047734 A1SharkNinja Operating LLC
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Most cited
By later US patents
- Hand-holdable vacuum cleaners203US 7,370,387 B2Black & Decker Inc. · 2008
- Electric vacuum cleaner and nozzle unit therefor130US 6,345,408 B1Sharp Kabushiki Kaisha · 2002
- Portable vacuum cleaner128US 4,905,342 ASharp Kabushiki Kaisha · 1990
- Hand held vacuum cleaner118US 8,225,456 B2AB Electrolux · 2012
- Vacuum cleaner wand96US 4,494,270 AAB Electrolux · 1985