A47L 9/1454
Self-sealing closures
Official title: {Self-sealing closures, e.g. valves}
A47L9/1454 (Self-sealing closures) appears on 46 US grants and 68 published applications in this corpus.
Search patents in A47L- Granted patents
- 46
- Published applications
- 68
- Assignees
- 25
- Inventors
- 111
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 0 |
| 2019 | 1 | 11 |
| 2020 | 10 | 7 |
| 2021 | 12 | 13 |
| 2022 | 3 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 9 |
| 2025 | 1 | 7 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Handheld vacuum assembly for the capture and collection of insects9 Jun 2026US 12,648,554 B2
- Power tool including an air filter and debris collector24 Mar 2026US 12,582,933 B2Milwaukee Electric Tool Corporation
- Handheld vacuum assembly for the capture and collection of insects11 Feb 2025US 12,219,951 B2
- Particle receiving device, arrangement and method for operating an arrangement17 Dec 2024US 12,167,824 B2Festool GmbH
- Power tool including an air filter and debris collector21 Mar 2023US 11,607,637 B2Milwaukee Electric Tool Corporation
- Power tool including an air filter and debris collector23 Jul 2026US 2026/0208088 A1Milwaukee Electric Tool Corporation
- Cleaning docking station2 Jul 2026US 2026/0182797 A1Beijing Roborock Technology Co., Ltd.
- Disposable container for construction-grade vacuum cleaners21 May 2026US 2026/0137250 A1Hilti Aktiengesellschaft
- Robotic cleaner with dust cup door9 Apr 2026US 2026/0096703 A1
- Surface cleaner26 Feb 2026US 2026/0053308 A1Omachron Intellectual Property Inc.
Most cited
By later US patents
- Holding plate for a vacuum cleaner filter bag32US 8,092,562 B2Eurofilters Holding N. V. · 2012
- Self-aligning, self-sealing vacuum bag26US 5,688,298 AHome Care Industries, Inc. · 1997
- Sealable collar vacuum cleaner bag18US 5,039,324 AMastercraft Industries, L.P. · 1991
- Dust filter bag for a vacuum cleaner16US 5,820,643 A1998
- Vacuum cleaner filter bag14US 8,449,639 B2Eurofilters Holding N. V. · 2013