E05F 1/1223
With a compression or traction spring
Official title: {with a compression or traction spring}
E05F1/1223 (With a compression or traction spring) appears on 163 US grants and 159 published applications in this corpus.
Search patents in E05F- Granted patents
- 163
- Published applications
- 159
- Assignees
- 118
- Inventors
- 274
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 8 |
| 2004 | 4 | 9 |
| 2005 | 3 | 19 |
| 2006 | 10 | 18 |
| 2007 | 8 | 10 |
| 2008 | 8 | 7 |
| 2009 | 12 | 8 |
| 2010 | 11 | 7 |
| 2011 | 5 | 4 |
| 2012 | 2 | 1 |
| 2013 | 5 | 3 |
| 2014 | 5 | 7 |
| 2015 | 1 | 6 |
| 2016 | 7 | 6 |
| 2017 | 3 | 2 |
| 2018 | 5 | 6 |
| 2019 | 0 | 5 |
| 2020 | 7 | 5 |
| 2021 | 6 | 5 |
| 2022 | 3 | 3 |
| 2023 | 1 | 8 |
| 2024 | 2 | 6 |
| 2025 | 11 | 3 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-closing adjustable tension spring hinge12 May 2026US 12,624,584 B1Nationwide Industries, Inc.
- Hinge assembly and opening and closing device5 May 2026US 12,618,274 B2Hefe! Midea Refrigerator Co., Ltd.
- Hinge and opening and closing device28 Apr 2026US 12,612,813 B2Hefei Hualing Co., Ltd.
- Systems and devices for motion control17 Feb 2026US 12,553,271 B2Moshun, LLC
- Door hinge cushioning arrangement16 Dec 2025US 12,497,811 B2Caterpillar Inc.
- Adjustable self-closing anti-ligature hinge1 Oct 2026US 2026/0298004 A1Abh Manufacturing Inc.
- Cooking apparatus19 Feb 2026US 2026/0047718 A1Illinois Tool Works Inc.
- One-pin hinge for furniture doors fitted with return closing means27 Nov 2025US 2025/0361754 A1Danco, Inc.
- Door Hinge Cushioning Arrangement5 Jun 2025US 2025/0179852 A1Caterpillar Inc.
- Hinge mechanism6 Mar 2025US 2025/0075544 A1Gang Gwo Industrial Co., Ltd.
Most cited
By later US patents
- Deployment hinge59US 5,600,868 ASanta Barbara Research Center · 1997
- Self-closing hinge57US 4,215,449 AStandard Keil Hardware Manufacturing Co. · 1980
- Radiotelephone having a self contained hinge57US 5,628,089 AMotorola, Inc. · 1997
- Hinge mechanism of portable phone54US 6,292,980 B1Samsung Electronics Co., Ltc. · 2001
- Refrigerator door closing device49US 5,138,743 AWhite Consolidated Industries, Inc. · 1992