E06B 7/32
Serving doors
Official title: Serving doors; Passing-through doors {; Pet-doors}
E06B7/32 (Serving doors) appears on 353 US grants and 309 published applications in this corpus.
Search patents in E06B- Granted patents
- 353
- Published applications
- 309
- Assignees
- 94
- Inventors
- 494
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 2 |
| 2003 | 6 | 8 |
| 2004 | 6 | 6 |
| 2005 | 3 | 12 |
| 2006 | 4 | 10 |
| 2007 | 7 | 12 |
| 2008 | 3 | 12 |
| 2009 | 3 | 9 |
| 2010 | 5 | 13 |
| 2011 | 6 | 10 |
| 2012 | 12 | 7 |
| 2013 | 10 | 9 |
| 2014 | 11 | 8 |
| 2015 | 11 | 10 |
| 2016 | 15 | 7 |
| 2017 | 7 | 7 |
| 2018 | 11 | 10 |
| 2019 | 12 | 22 |
| 2020 | 18 | 25 |
| 2021 | 20 | 28 |
| 2022 | 16 | 18 |
| 2023 | 33 | 20 |
| 2024 | 22 | 16 |
| 2025 | 22 | 17 |
| 2026 | 13 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automated pet entry system29 Sep 2026US 12,747,627 B2
- Latch apparatus with independent identical opposing latches18 Aug 2026US 12,709,918 B1Carlson Pet Products, Inc.
- Soft barrier11 Aug 2026US 12,704,020 B1Regalo International, LLC
- Pet vestibule21 Apr 2026US 12,604,861 B2
- Artificial intelligence assisted pet door with pet recognition and object detection7 Apr 2026US 12,597,309 B1
- Double opening pet door23 Jul 2026US 2026/0210175 A1Cixi Xingan Industry Co., Ltd.
- Supplementary access control system for an rfid-controlled cat flap and method for supplementary access control using an rfid-controlled cat flap16 Jul 2026US 2026/0204117 A1
- Warming Holding Cabinet2 Jul 2026US 2026/0182781 A1Carter-Hoffmann LLC
- Door with built in collapsible safe box25 Jun 2026US 2026/0174262 A1Eco Earth Holdings, Inc.
- Pet door with locking mechanisms and method for controlling pet door25 Jun 2026US 2026/0176915 A1NINGBO ACE GREENIS SMART TECH Co,.LTD
Most cited
By later US patents
- Multiple piece gated pressurized barrier70US 7,975,431 B2Carlson Pet Products, Inc. · 2011
- Double door gate apparatus62US 9,382,750 B1Carlson Pet Products, Inc. · 2016
- Controllable pet access system61US 5,992,096 APooch Pass, Inc. · 1999
- Security pet door54US 4,760,872 A1988
- Pet door52US 3,978,616 ANorth States Industries, Inc. · 1976