A47L 9/24
Hoses or pipes
Official title: Hoses {or pipes}; Hose {or pipe} couplings (hoses or hose joints in general F16L)
A47L9/24 (Hoses or pipes) appears on 1,151 US grants and 1,364 published applications in this corpus.
Search patents in A47L- Granted patents
- 1,151
- Published applications
- 1,364
- Assignees
- 379
- Inventors
- 2,177
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 4 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 19 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 11 | 10 |
| 2002 | 25 | 24 |
| 2003 | 22 | 24 |
| 2004 | 17 | 30 |
| 2005 | 9 | 41 |
| 2006 | 11 | 27 |
| 2007 | 25 | 34 |
| 2008 | 18 | 37 |
| 2009 | 25 | 31 |
| 2010 | 14 | 53 |
| 2011 | 17 | 24 |
| 2012 | 29 | 36 |
| 2013 | 23 | 28 |
| 2014 | 41 | 50 |
| 2015 | 30 | 42 |
| 2016 | 45 | 50 |
| 2017 | 36 | 83 |
| 2018 | 38 | 72 |
| 2019 | 75 | 106 |
| 2020 | 72 | 80 |
| 2021 | 57 | 74 |
| 2022 | 65 | 75 |
| 2023 | 70 | 76 |
| 2024 | 57 | 113 |
| 2025 | 41 | 74 |
| 2026 | 44 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Central vacuum system and inlet valves therefor6 Oct 2026US 12,751,587 B2H-P Products, Inc.
- Vacuum cleaner and method for operating a vacuum cleaner29 Sep 2026US 12,746,582 B2BSH Hausgeräte GmbH
- Motorized suction head with steam dispensing device22 Sep 2026US 12,740,678 B2New Ermes Europe S.p.A.
- Cleaning device15 Sep 2026US 12,733,781 B2Samsung Electronics Co., Ltd.
- Cordless vacuum cleaner including plurality of batteries and method for controlling same8 Sep 2026US 12,727,726 B2Samsung Electronics Co., Ltd.
- Vacuum cleaner with two turbines, and operating method for same8 Oct 2026US 2026/0305892 A1Hilti Aktiengesellschaft
- Waste tape recovery device8 Oct 2026US 2026/0305894 A1Fuji Corporation
- Autonomous Vacuum Sweeping System Having a Brush Roller with Buffer Zone1 Oct 2026US 2026/0294091 A1Matic Robots, Inc.
- Surface cleaning apparatus1 Oct 2026US 2026/0294184 A1Omachron Intellectual Property Inc.
- Vacuum tools1 Oct 2026US 2026/0294186 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Flexible plastics vacuum cleaner core1,473US 5,778,939 ADual Voltage Co. Ltd. · 1998
- Articulated tubular conduit arm for sucking gaseous fluids1,149US 4,540,202 A1985
- Robotic vacuum with removable portable vacuum and semi-automated environment mapping281US 7,113,847 B2Royal Appliance Mfg. Co. · 2006
- Hand-holdable vacuum cleaners203US 7,370,387 B2Black & Decker Inc. · 2008
- Dirt separator system for a vacuum cleaner157US 7,882,593 B2AB Electrolux · 2011