E04H 17/004
Unstable
Official title: {Unstable, e.g. rotatory or resiliently mounted fence panels, spikes}
E04H17/004 (Unstable) appears on 22 US grants and 24 published applications in this corpus.
Search patents in E04H- Granted patents
- 22
- Published applications
- 24
- Assignees
- 11
- Inventors
- 44
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High security anti-climbing pet and child confinement gate25 Mar 2025US 12,258,812 B1
- Device and fencing system for canine containment5 Nov 2024US 12,134,910 B1Bite Me Enterprises, Inc.
- Animal repelling device6 Jun 2023US 11,668,113 B1Roll Guard, Inc.
- Fence12 Apr 2022US 11,299,908 B2Sekisui House, Ltd.
- Animal repelling device8 Jun 2021US 11,028,614 B1Roll Guard, Inc.
- System for preventing fall and suicide23 Jun 2022US 2022/0195677 A1System Korea Engineering & Construction Co., Ltd.
- Fence28 Jan 2021US 2021/0025192 A1Sekisui House, Ltd.
- Security system14 Nov 2019US 2019/0345732 A1Strike De-Fence Pty Ltd
- System for preventing fall and suicide31 Jan 2019US 2019/0032290 A1
- Doorway and Passage Barrier24 Jan 2019US 2019/0024447 A1
Most cited
By later US patents
- Modular barrier system for satisfying needs unique to a specific user28US 6,782,624 B2The United States of America as represented by the Secretary of the Army · 2004
- Animal guard26US 6,571,517 B22003
- Animal retentive fence attachment25US 5,143,354 A1992
- Confinement fence structure for climbing animals and its associated methods of construction and installation25US 7,562,453 B12009
- Animal-repelling apparatus15US 6,585,233 B1Roll Guard, Inc. · 2003