A61H 2201/1246
By piston-cylinder systems
Official title: by piston-cylinder systems
A61H2201/1246 (By piston-cylinder systems) appears on 343 US grants and 527 published applications in this corpus.
Search patents in A61H- Granted patents
- 343
- Published applications
- 527
- Assignees
- 257
- Inventors
- 966
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 4 |
| 2004 | 1 | 5 |
| 2005 | 3 | 3 |
| 2006 | 2 | 3 |
| 2007 | 1 | 3 |
| 2008 | 2 | 6 |
| 2009 | 6 | 3 |
| 2010 | 2 | 6 |
| 2011 | 4 | 10 |
| 2012 | 3 | 17 |
| 2013 | 6 | 15 |
| 2014 | 8 | 22 |
| 2015 | 13 | 31 |
| 2016 | 17 | 26 |
| 2017 | 21 | 32 |
| 2018 | 19 | 34 |
| 2019 | 25 | 34 |
| 2020 | 32 | 32 |
| 2021 | 20 | 35 |
| 2022 | 31 | 45 |
| 2023 | 30 | 49 |
| 2024 | 20 | 38 |
| 2025 | 33 | 39 |
| 2026 | 26 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Skin-preparation-free, stretchable microneedle adhesive patches for highly reliable electrophysiological monitoring6 Oct 2026US 12,751,658 B2Korea Advanced Institute of Science and Technology
- Fluidic methods and devices6 Oct 2026US 12,753,749 B2Obotics Inc.
- Airflow-driven flexible-patting massage rod structure15 Sep 2026US 12,734,103 B1Dongguan Rijie Electronic Technology Co., Ltd.
- Enhanced mobility wearable article with sensory cushioning system8 Sep 2026US 12,728,521 B2NIKE, Inc.
- Method for moving an exoskeleton25 Aug 2026US 12,714,627 B2Wandercraft
- Massage device8 Oct 2026US 2026/0306343 A1Xiamen Vanfly Health Science &Technology Co., Ltd.
- Sensory-responsive wearable system with biometric-controlled adaptive actuation1 Oct 2026US 2026/0295204 A1
- Foot massager24 Sep 2026US 2026/0283894 A1Reestar International Limited
- High-performance valve controlled by non-standard gears23 Jul 2026US 2026/0207415 A1
- Systems and methods for exerting force on bodies23 Jul 2026US 2026/0207417 A1
Most cited
By later US patents
- Spinal treatment devices, methods, and systems247US 10,639,185 B2The Trustees of Columbia University in the City of New York · 2020
- In-bed exercise machine and method of use188US 6,270,445 B1Simbex LLC · 2001
- Lower extremity enhancer165US 7,628,766 B1The Regents of the University of California · 2009
- Systems and procedures for treating cardiac arrest121US 7,226,427 B2Jolife AB · 2007
- Mechanical leg-propulsion assistance device76US 4,872,665 A1989