A47L 7/0042
Gaskets
Official title: {Gaskets; Sealing means}
A47L7/0042 (Gaskets) appears on 339 US grants and 189 published applications in this corpus.
Search patents in A47L- Granted patents
- 339
- Published applications
- 189
- Assignees
- 105
- Inventors
- 494
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 20 | 0 |
| 2000 | 21 | 0 |
| 2001 | 18 | 7 |
| 2002 | 19 | 14 |
| 2003 | 17 | 7 |
| 2004 | 9 | 8 |
| 2005 | 4 | 16 |
| 2006 | 3 | 13 |
| 2007 | 9 | 14 |
| 2008 | 8 | 16 |
| 2009 | 8 | 8 |
| 2010 | 12 | 8 |
| 2011 | 7 | 8 |
| 2012 | 5 | 3 |
| 2013 | 9 | 4 |
| 2014 | 5 | 7 |
| 2015 | 5 | 3 |
| 2016 | 3 | 1 |
| 2017 | 5 | 7 |
| 2018 | 2 | 0 |
| 2019 | 5 | 9 |
| 2020 | 4 | 5 |
| 2021 | 2 | 8 |
| 2022 | 4 | 4 |
| 2023 | 5 | 6 |
| 2024 | 5 | 6 |
| 2025 | 4 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recovery tank22 Sep 2026US 12,740,683 B2SharkNinja Operating LLC
- Handheld electric cleaner16 Jun 2026US 12,653,360 B2Ningbo Brightech International Trading CO., LTD
- Handheld extraction cleaner with liquid movement mitigation2 Dec 2025US 12,484,745 B2BISSELL Inc.
- Portable hard surface cleaning appliance25 Mar 2025US 12,256,875 B2Alfred Kärcher GmbH & Co. KG
- Vacuum cleaner with liquid retention4 Mar 2025US 12,239,282 B2Milwaukee Electric Tool Corporation
- Vacuum assembly20 Aug 2026US 2026/0240384 A1
- Handheld extraction cleaner with liquid movement mitigation5 Mar 2026US 2026/0060489 A1BISSELL Inc.
- Handheld electric cleaner26 Jun 2025US 2025/0204733 A1Ningbo Brightech International Trading CO., LTD
- Suction nozzle and cleaning device12 Jun 2025US 2025/0185859 A1Robotin (Shenzhen) Co., Ltd.
- Vacuum for Use with Modular Storage System22 May 2025US 2025/0160586 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Autonomous surface cleaning robot for wet and dry cleaning295US 7,761,954 B2iRobot Corporation · 2010
- Surface cleaning apparatus267US 8,146,201 B2G. B. D. Corp. · 2012
- Autonomous surface cleaning robot for wet and dry cleaning257US 7,389,156 B2iRobot Corporation · 2008
- Upright extraction cleaning machine240US 6,131,237 ABISSELL Homecare, Inc. · 2000
- Dual filter wet/dry hand-held vacuum cleaner227US 6,434,785 B1Headwaters Research & Development, Inc. · 2002