E05C 3/22
The bolt being spring controlled
Official title: the bolt being spring controlled
E05C3/22 (The bolt being spring controlled) appears on 501 US grants and 411 published applications in this corpus.
Search patents in E05C- Granted patents
- 501
- Published applications
- 411
- Assignees
- 326
- Inventors
- 894
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 11 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 13 | 0 |
| 2001 | 6 | 2 |
| 2002 | 10 | 3 |
| 2003 | 5 | 7 |
| 2004 | 9 | 15 |
| 2005 | 10 | 12 |
| 2006 | 9 | 12 |
| 2007 | 8 | 15 |
| 2008 | 7 | 18 |
| 2009 | 8 | 16 |
| 2010 | 4 | 14 |
| 2011 | 18 | 16 |
| 2012 | 12 | 9 |
| 2013 | 13 | 13 |
| 2014 | 15 | 18 |
| 2015 | 17 | 13 |
| 2016 | 17 | 32 |
| 2017 | 14 | 13 |
| 2018 | 18 | 20 |
| 2019 | 7 | 22 |
| 2020 | 24 | 21 |
| 2021 | 13 | 18 |
| 2022 | 25 | 26 |
| 2023 | 26 | 34 |
| 2024 | 24 | 19 |
| 2025 | 32 | 18 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Slide rail assembly10 Mar 2026US 12,571,425 B2King Slide Technology Co., Ltd.
- Locking system24 Feb 2026US 12,559,969 B2EMKA Beschlagteile GmbH & Co. KG
- Pressure sensitive printable paper products and their use with packaging and containers14 May 2026US 2026/0131935 A1Documotion Research, Inc.
- Retail controller system14 May 2026US 2026/0132979 A1TriTeq Lock and Security, LLC
- Push door lock device26 Mar 2026US 2026/0085558 A1Dual Power Electronics Co., Ltd
- Storage container22 Jan 2026US 2026/0022597 A1Tenma Corporation
- Retail controller system1 Jan 2026US 2026/0002726 A1TriTeq Lock and Security, LLC
Most cited
By later US patents
- Trigger latch assembly202US 7,540,364 B2SKB Corporation · 2009
- Electromagnetic lock154US 5,690,373 ATrimec Securities Pty. Limited · 1997
- Lockable slammable cam latch with handle key hole cover136US 5,984,383 ACleveland Hardware and Forging Company · 1999
- Paddle operated vehicle latch115US 4,438,964 APierce Manufacturing Company · 1984
- Handle operable two-point latch and lock94US 5,595,076 AThe Eastern Company · 1997