A61G 1/013
Foldable or collapsible
Official title: foldable or collapsible (A61G1/017 takes precedence)
A61G1/013 (Foldable or collapsible) appears on 277 US grants and 298 published applications in this corpus.
Search patents in A61G- Granted patents
- 277
- Published applications
- 298
- Assignees
- 123
- Inventors
- 492
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 3 |
| 2003 | 2 | 2 |
| 2004 | 1 | 4 |
| 2005 | 4 | 4 |
| 2006 | 3 | 7 |
| 2007 | 2 | 7 |
| 2008 | 9 | 10 |
| 2009 | 6 | 9 |
| 2010 | 12 | 16 |
| 2011 | 7 | 10 |
| 2012 | 12 | 10 |
| 2013 | 6 | 13 |
| 2014 | 17 | 11 |
| 2015 | 14 | 9 |
| 2016 | 6 | 15 |
| 2017 | 8 | 16 |
| 2018 | 13 | 18 |
| 2019 | 11 | 13 |
| 2020 | 9 | 18 |
| 2021 | 21 | 28 |
| 2022 | 17 | 14 |
| 2023 | 20 | 17 |
| 2024 | 12 | 18 |
| 2025 | 18 | 14 |
| 2026 | 13 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Directional wheel lock assemblies and cots having directional wheel lock assemblies8 Sep 2026US 12,728,049 B2Ferno-Washington, Inc.
- Modular stretcher for patient transport apparatus11 Aug 2026US 12,702,600 B2Stryker Corporation
- Multimodality medical procedure mattress-based device7 Jul 2026US 12,672,994 B2Egg Medical, Inc.
- Device for lifting and transporting a person2 Jun 2026US 12,642,715 B2Corben
- Heated stretcher2 Jun 2026US 12,642,717 B2Thermotraumaport Limited
- Stretcher equipped with systems for attaching removable medical equipment24 Sep 2026US 2026/0283868 A1
- Multimodality Medical Procedure Mattress-Based Device17 Sep 2026US 2026/0272743 A1Egg Medical, Inc.
- Rescue apparatus, in particular a rescue stretcher30 Jul 2026US 2026/0215978 A1
- Casualty Evacuation Ecosystem23 Jul 2026US 2026/0210148 A1The Government of the United States, as represented by the Secretary of the Army
- Stretcher having reconfigurable deck and mattress and multi-purpose air source21 May 2026US 2026/0137567 A1Hill-Rom Services, Inc.
Most cited
By later US patents
- Ambulance cot system100US 7,389,552 B1Monster Medic, Inc. · 2008
- Rescue and transportation device93US 4,124,908 A1978
- Heart-lung resuscitator litter unit92US 4,060,079 ASurvival Technology, Inc. · 1977
- Undercarriage92US 5,509,159 AFerno-Washington, Inc. · 1996
- In-ambulance cot shut-off device75US 8,056,950 B2Stryker Corporation · 2011