A47L 5/36
Suction cleaners with hose between nozzle and casing
Official title: Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
A47L5/36 (Suction cleaners with hose between nozzle and casing) appears on 905 US grants and 1,036 published applications in this corpus.
Search patents in A47L- Granted patents
- 905
- Published applications
- 1,036
- Assignees
- 265
- Inventors
- 1,507
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 20 | 7 |
| 2002 | 17 | 12 |
| 2003 | 16 | 12 |
| 2004 | 10 | 24 |
| 2005 | 13 | 39 |
| 2006 | 14 | 22 |
| 2007 | 17 | 33 |
| 2008 | 9 | 26 |
| 2009 | 17 | 28 |
| 2010 | 16 | 38 |
| 2011 | 29 | 19 |
| 2012 | 18 | 48 |
| 2013 | 28 | 32 |
| 2014 | 35 | 52 |
| 2015 | 35 | 39 |
| 2016 | 38 | 29 |
| 2017 | 33 | 92 |
| 2018 | 33 | 61 |
| 2019 | 78 | 91 |
| 2020 | 66 | 65 |
| 2021 | 33 | 45 |
| 2022 | 44 | 60 |
| 2023 | 58 | 42 |
| 2024 | 38 | 52 |
| 2025 | 24 | 38 |
| 2026 | 16 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Surface cleaning apparatus29 Sep 2026US 12,745,882 B2Omachron Intellectual Property Inc.
- Dust suction device with storage state15 Sep 2026US 12,733,778 B2X' Pole Precision Tools Inc.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Static discharge mitigation of vacuum cleaners1 Sep 2026US 12,721,490 B2Milwaukee Electric Tool Corporation
- Surface cleaning apparatus14 Jul 2026US 12,677,998 B2Omachron Intellectual Property Inc.
- Surface cleaning apparatus1 Oct 2026US 2026/0294184 A1Omachron Intellectual Property Inc.
- Vacuum cleaner having two stages of spiral separation structures1 Oct 2026US 2026/0294191 A1
- Vacuum device24 Sep 2026US 2026/0283419 A1Milwaukee Electric Tool Corporation
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Animal cleaning device17 Sep 2026US 2026/0271877 A1Divia La Penna Design Studio Inc.
Most cited
By later US patents
- Air flow-producing device, such as a vacuum cleaner or a blower1,158US 7,712,182 B2Milwaukee Electric Tool Corporation · 2010
- Cyclonic back-pack vacuum cleaner370US 5,267,371 AIona Appliances Inc. · 1993
- Vacuum cleaner having a cyclone type dust collecting apparatus333US 6,406,505 B1Samsung Kwangju Electronics Co., Ltd. · 2002
- Robotic vacuum with removable portable vacuum and semi-automated environment mapping281US 7,113,847 B2Royal Appliance Mfg. Co. · 2006
- Surface cleaning apparatus267US 8,146,201 B2G. B. D. Corp. · 2012