E05F 1/02
Gravity-actuated
Official title: gravity-actuated {, e.g. by use of counterweights}
E05F1/02 (Gravity-actuated) appears on 325 US grants and 224 published applications in this corpus.
Search patents in E05F- Granted patents
- 325
- Published applications
- 224
- Assignees
- 167
- Inventors
- 512
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 9 |
| 2003 | 7 | 6 |
| 2004 | 5 | 9 |
| 2005 | 4 | 7 |
| 2006 | 6 | 10 |
| 2007 | 1 | 5 |
| 2008 | 2 | 8 |
| 2009 | 7 | 3 |
| 2010 | 3 | 7 |
| 2011 | 5 | 4 |
| 2012 | 4 | 5 |
| 2013 | 8 | 8 |
| 2014 | 6 | 9 |
| 2015 | 6 | 10 |
| 2016 | 12 | 14 |
| 2017 | 10 | 19 |
| 2018 | 12 | 13 |
| 2019 | 22 | 16 |
| 2020 | 10 | 14 |
| 2021 | 9 | 9 |
| 2022 | 11 | 11 |
| 2023 | 11 | 10 |
| 2024 | 9 | 8 |
| 2025 | 9 | 5 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hinge assembly and opening and closing device5 May 2026US 12,618,274 B2Hefe! Midea Refrigerator Co., Ltd.
- Arrangements for closing access member, and access member systems14 Apr 2026US 12,601,213 B2Assa Abloy AB
- Switch hinge7 Apr 2026US 12,595,696 B2Component Hardware Group, Inc.
- Furniture item equipped with a compartment that can be closed by leaves20 Jan 2026US 12,529,255 B2Bortoluzzi Sistemi S.P.A.
- Vehicle door device23 Dec 2025US 12,503,902 B2Aisin Corporation
- Hinge Assembly4 Jun 2026US 2026/0152985 A1Caterpillar Inc.
- Refrigerator30 Apr 2026US 2026/0118045 A1Samsung Electronics Co., Ltd.
- Adaptive electromagnetic damping for storage compartment16 Apr 2026US 2026/0103926 A1Tesla, Inc.
- Refrigerator12 Feb 2026US 2026/0043598 A1Samsung Electronics Co., Ltd.
- Gravity Hinge System for Use with Glass Doors25 Dec 2025US 2025/0389146 A1C. R. Laurence Co., Inc.
Most cited
By later US patents
- Fail-safe fire door release mechanism having automatic reset128US 5,245,879 AMcKeon Rolling Steel Door Co., Inc. · 1993
- Door controlling device106US 6,484,784 B12002
- Apparatus and method for operating a door94US 6,155,324 AThe Cookson Company · 2000
- Virtual attendant system and parking management system91US 8,831,970 B22014
- Gravity door hinge63US 4,631,777 ATakigen Seizou Co. Ltd. · 1986