A47L 15/4259
Arrangements of locking or security/safety devices for doors
Official title: {Arrangements of locking or security/safety devices for doors, e.g. door latches, switch to stop operation when door is open}
A47L15/4259 (Arrangements of locking or security/safety devices for doors) appears on 235 US grants and 273 published applications in this corpus.
Search patents in A47L- Granted patents
- 235
- Published applications
- 273
- Assignees
- 75
- Inventors
- 468
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 6 |
| 2004 | 2 | 2 |
| 2005 | 3 | 4 |
| 2006 | 1 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 5 |
| 2009 | 3 | 4 |
| 2010 | 5 | 5 |
| 2011 | 2 | 8 |
| 2012 | 3 | 5 |
| 2013 | 3 | 8 |
| 2014 | 8 | 10 |
| 2015 | 10 | 12 |
| 2016 | 11 | 11 |
| 2017 | 7 | 14 |
| 2018 | 16 | 22 |
| 2019 | 17 | 21 |
| 2020 | 20 | 21 |
| 2021 | 11 | 14 |
| 2022 | 18 | 14 |
| 2023 | 12 | 16 |
| 2024 | 17 | 17 |
| 2025 | 18 | 32 |
| 2026 | 15 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Door lock assembly and electrical appliance25 Aug 2026US 12,716,270 B2Illinois Tool Works Inc.
- Mechanism for a door of an electrical household appliance18 Aug 2026US 12,709,927 B2emz-Hanauer GmbH & Co. KGaA
- Dish washer11 Aug 2026US 12,702,265 B2LG Electronics Inc.
- Door lock assembly and electrical equipment11 Aug 2026US 12,703,998 B2Illinois Tool Works Inc.
- Door lock11 Aug 2026US 12,703,999 B2Illinois Tool Works Inc.
- Dishwasher door opening system with sliding latch17 Sep 2026US 2026/0272263 A1Whirlpool Corporation
- Biasing latch mechanism for an appliance door6 Aug 2026US 2026/0224089 A1Whirlpool Corporation
- Automated door and drawer opener2 Jul 2026US 2026/0185393 A1Fisher & Paykel Appliances Limited
- System and method for prevention of accidents due to tripping or bumping on common equipment and open doors11 Jun 2026US 2026/0157594 A1
- Door latch and opener for an appliance11 Jun 2026US 2026/0157595 A1Illinois Tool Works Inc.
Most cited
By later US patents
- System for charging a power supply in a closure element of a household appliance51US 9,307,888 B2Whirlpool Corporation · 2016
- Automatic door opening system for domestic dishwashers36US 4,951,693 A1990
- Methods and apparatus for securing a dishwasher door35US 6,893,061 B2General Electric Company · 2005
- Switch operating assembly including a self-adjusting arrangement32US 4,186,287 AGeneral Electric Company · 1980
- Latch device for a door of an electric household appliance in particular a dishwashing machine29US 7,347,460 B2ITW Industrial Components S.R. L. · 2008