A61H 2201/1238
With hydraulic or pneumatic drive
Official title: with hydraulic or pneumatic drive
A61H2201/1238 (With hydraulic or pneumatic drive) appears on 1,014 US grants and 1,411 published applications in this corpus.
Search patents in A61H- Granted patents
- 1,014
- Published applications
- 1,411
- Assignees
- 650
- Inventors
- 2,555
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 11 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 4 |
| 2002 | 11 | 9 |
| 2003 | 12 | 16 |
| 2004 | 7 | 24 |
| 2005 | 11 | 18 |
| 2006 | 12 | 25 |
| 2007 | 7 | 26 |
| 2008 | 10 | 14 |
| 2009 | 14 | 21 |
| 2010 | 10 | 17 |
| 2011 | 14 | 19 |
| 2012 | 13 | 27 |
| 2013 | 14 | 27 |
| 2014 | 21 | 40 |
| 2015 | 20 | 55 |
| 2016 | 25 | 71 |
| 2017 | 40 | 71 |
| 2018 | 40 | 78 |
| 2019 | 61 | 119 |
| 2020 | 81 | 114 |
| 2021 | 62 | 123 |
| 2022 | 89 | 128 |
| 2023 | 77 | 107 |
| 2024 | 68 | 91 |
| 2025 | 80 | 84 |
| 2026 | 64 | 83 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Non-human animal compression therapy devices and methods6 Oct 2026US 12,751,809 B2Mego Afek AC Ltd.
- Fluidic methods and devices6 Oct 2026US 12,753,749 B2Obotics Inc.
- Foot arch massage arrangement29 Sep 2026US 12,746,174 B2Fujian Yitaikang Electronics Co., Ltd
- Method and device for interactive controlling on adult product based on multimodal model, and adult product29 Sep 2026US 12,746,176 B1Cravelle Ai Group Limited
- 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
- Integrated, noninvasive stimulation delivery system and method for treating neurodegenerative disease symptoms24 Sep 2026US 2026/0284427 A1
- Extracorporeal shockwave and radio frequency combined treatment apparatus with anti-cellulite function17 Sep 2026US 2026/0272535 A1K1Med Global Inc.
Most cited
By later US patents
- Cardiopulmonary resuscitation and assisted circulation system358US 4,928,674 AThe Johns Hopkins University · 1990
- Active compression/decompression cardiac assist/support device and method273US 5,490,820 ADatascope Investment Corp. · 1996
- Spinal treatment devices, methods, and systems247US 10,639,185 B2The Trustees of Columbia University in the City of New York · 2020
- Integrated system for cardiopulmonary resuscitation and circulation support209US 4,397,306 AThe John Hopkins University · 1983
- Automated ventilation, CPR, and circulatory assistance apparatus207US 4,424,806 APhysio-Control, Inc. · 1984