E04H 15/44
Collapsible
Official title: collapsible, e.g. breakdown type (E04H15/42 takes precedence)
E04H15/44 (Collapsible) appears on 1,137 US grants and 1,253 published applications in this corpus.
Search patents in E04H- Granted patents
- 1,137
- Published applications
- 1,253
- Assignees
- 429
- Inventors
- 1,424
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 15 | 0 |
| 1998 | 11 | 0 |
| 1999 | 15 | 0 |
| 2000 | 21 | 0 |
| 2001 | 19 | 8 |
| 2002 | 19 | 18 |
| 2003 | 15 | 27 |
| 2004 | 24 | 44 |
| 2005 | 21 | 42 |
| 2006 | 22 | 42 |
| 2007 | 27 | 37 |
| 2008 | 21 | 42 |
| 2009 | 26 | 34 |
| 2010 | 32 | 39 |
| 2011 | 30 | 34 |
| 2012 | 21 | 34 |
| 2013 | 35 | 38 |
| 2014 | 34 | 62 |
| 2015 | 34 | 54 |
| 2016 | 48 | 62 |
| 2017 | 57 | 69 |
| 2018 | 65 | 76 |
| 2019 | 69 | 70 |
| 2020 | 63 | 62 |
| 2021 | 58 | 61 |
| 2022 | 51 | 64 |
| 2023 | 47 | 67 |
| 2024 | 49 | 63 |
| 2025 | 48 | 60 |
| 2026 | 32 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Popup tent with accessory shelf6 Oct 2026US 12,753,625 B1
- Hybrid collapsible shelter6 Oct 2026US 12,753,627 B2Outlier Campers LLC
- Nested house1 Sep 2026US 12,723,397 B1
- Modular system including shaft segments having configuration and breakdown attachments1 Sep 2026US 12,723,428 B2Evrio, Inc.
- Tent skeleton with supporting and limiting structure25 Aug 2026US 12,716,259 B2
- Cassette Awning8 Oct 2026US 2026/0308934 A1
- Foldable protective cover8 Oct 2026US 2026/0308936 A1Xiamen Yixin Trading Co., Ltd.
- Stabilizing device for tent frame1 Oct 2026US 2026/0297974 A1Heshan Fengzhida Outdoor Products Co., Ltd
- Outdoor folding tent with tent pole stabilizing structure1 Oct 2026US 2026/0297975 A1Linhai Zhenyi Arts & Crafts Co., Ltd.
- Portable wind-resistant shade structure17 Sep 2026US 2026/0275759 A1
Most cited
By later US patents
- Collapsible canopy structure145US 4,641,676 A1987
- Collapsible canopy with telescoping roof support structure139US 4,779,635 A1988
- Quick erection collapsible shelter136US 4,607,656 A1986
- Canopy support system124US 5,634,483 A1997
- Collapsible canopy with auto erect roof support structure114US 4,947,884 A1990