A61G 1/025
Having auxiliary wheels
Official title: {having auxiliary wheels, e.g. wheels not touching the ground in extended position}
A61G1/025 (Having auxiliary wheels) appears on 283 US grants and 257 published applications in this corpus.
Search patents in A61G- Granted patents
- 283
- Published applications
- 257
- Assignees
- 48
- Inventors
- 305
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 13 | 2 |
| 2002 | 7 | 6 |
| 2003 | 11 | 8 |
| 2004 | 12 | 8 |
| 2005 | 5 | 9 |
| 2006 | 7 | 11 |
| 2007 | 4 | 13 |
| 2008 | 7 | 15 |
| 2009 | 15 | 13 |
| 2010 | 10 | 5 |
| 2011 | 10 | 11 |
| 2012 | 9 | 6 |
| 2013 | 7 | 3 |
| 2014 | 9 | 8 |
| 2015 | 4 | 7 |
| 2016 | 10 | 16 |
| 2017 | 3 | 13 |
| 2018 | 13 | 9 |
| 2019 | 11 | 18 |
| 2020 | 7 | 10 |
| 2021 | 13 | 14 |
| 2022 | 12 | 9 |
| 2023 | 16 | 13 |
| 2024 | 13 | 14 |
| 2025 | 14 | 13 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Techniques for determining a pose of a patient transport apparatus2 Jun 2026US 12,642,726 B2Stryker Corporation
- Hydraulic circuit for a patient handling apparatus19 May 2026US 12,629,299 B2Stryker Corporation
- Ambulance cot and loading and unloading system14 Apr 2026US 12,599,518 B2Stryker Corporation
- Ambulance cot and loading and unloading system3 Mar 2026US 12,564,524 B2Stryker Corporation
- Ambulance cot and loading and unloading system3 Mar 2026US 12,564,525 B2Stryker Corporation
- Ambulance cot and loading and unloading system16 Jul 2026US 2026/0199154 A1Stryker Corporation
- Chest Compression System Retainer With Shoulder Brace For Use With A Patient Transport Apparatus2 Apr 2026US 2026/0090954 A1Stryker Corporation
- Patient Support System Having A Foot Barrier22 Jan 2026US 2026/0020996 A1Stryker Corporation
- Techniques For Detecting A Force Acting On A Base Of A Patient Transport Apparatus4 Dec 2025US 2025/0367044 A1Stryker Corporation
- Patient support with energy transfer30 Oct 2025US 2025/0332046 A1Stryker Corporation
Most cited
By later US patents
- Stretcher controls223US 5,806,111 AHill-Rom, Inc. · 1998
- Ambulance cot and hydraulic elevating mechanism therefor169US 7,398,571 B2Stryker Corporation · 2008
- Carrier with deployable center wheels150US 5,348,326 AHill-Rom, Inc. · 1994
- Powdered maneuverable hospital cart118US 5,083,625 A1992
- Carriage for an ambulance stretcher113US 4,921,295 AStollenwerk Fabrik fur Sanitatsausrustungen Hans Stollenwerk & Cie GmbH & Co. · 1990