A47L 9/242
Hose or pipe couplings
Official title: {Hose or pipe couplings}
A47L9/242 (Hose or pipe couplings) appears on 823 US grants and 934 published applications in this corpus.
Search patents in A47L- Granted patents
- 823
- Published applications
- 934
- Assignees
- 290
- Inventors
- 1,553
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 3 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 13 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 16 | 0 |
| 1999 | 10 | 0 |
| 2000 | 16 | 0 |
| 2001 | 5 | 6 |
| 2002 | 16 | 22 |
| 2003 | 20 | 14 |
| 2004 | 13 | 22 |
| 2005 | 6 | 35 |
| 2006 | 9 | 21 |
| 2007 | 17 | 27 |
| 2008 | 15 | 28 |
| 2009 | 19 | 25 |
| 2010 | 13 | 31 |
| 2011 | 13 | 18 |
| 2012 | 23 | 26 |
| 2013 | 14 | 19 |
| 2014 | 28 | 36 |
| 2015 | 25 | 32 |
| 2016 | 29 | 29 |
| 2017 | 30 | 60 |
| 2018 | 26 | 43 |
| 2019 | 49 | 84 |
| 2020 | 59 | 55 |
| 2021 | 36 | 50 |
| 2022 | 47 | 48 |
| 2023 | 52 | 50 |
| 2024 | 34 | 66 |
| 2025 | 24 | 43 |
| 2026 | 27 | 44 |
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.
- 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.
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Waste tape recovery device8 Oct 2026US 2026/0305894 A1Fuji Corporation
- Vacuum tools1 Oct 2026US 2026/0294186 A1Milwaukee Electric Tool Corporation
- Vacuum attachments24 Sep 2026US 2026/0283426 A1
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Hose coupling for a suction cleaner, suction cleaner, and method for connecting and disconnecting a suction hose10 Sep 2026US 2026/0262892 A1Robert Thomas Metall- und Elektrowerke
Most cited
By later US patents
- Hand-holdable vacuum cleaners203US 7,370,387 B2Black & Decker Inc. · 2008
- Electric vacuum cleaner147US 6,058,559 ASanyo Electric Co., Ltd. · 2000
- Bagless canister vacuum cleaner145US 6,712,868 B2Royal Appliance Mfg. Co. · 2004
- Combination stand alone and canister vacuum cleaner141US 5,054,157 AWhirlpool Corporation · 1991
- Pivot adaptor attachment for vacuum cleaners137US 6,581,974 B1Ragner Manufacturing, LLC · 2003