A61M 5/14526
The piston being actuated by fluid pressure
Official title: {the piston being actuated by fluid pressure}
A61M5/14526 (The piston being actuated by fluid pressure) appears on 323 US grants and 436 published applications in this corpus.
Search patents in A61M- Granted patents
- 323
- Published applications
- 436
- Assignees
- 187
- Inventors
- 685
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 5 |
| 2003 | 4 | 8 |
| 2004 | 4 | 8 |
| 2005 | 5 | 10 |
| 2006 | 1 | 11 |
| 2007 | 1 | 20 |
| 2008 | 4 | 28 |
| 2009 | 11 | 17 |
| 2010 | 13 | 19 |
| 2011 | 19 | 21 |
| 2012 | 12 | 15 |
| 2013 | 14 | 14 |
| 2014 | 15 | 26 |
| 2015 | 12 | 14 |
| 2016 | 11 | 18 |
| 2017 | 13 | 18 |
| 2018 | 11 | 16 |
| 2019 | 15 | 24 |
| 2020 | 17 | 23 |
| 2021 | 13 | 7 |
| 2022 | 17 | 29 |
| 2023 | 14 | 18 |
| 2024 | 15 | 32 |
| 2025 | 16 | 17 |
| 2026 | 17 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Implantable guide device29 Sep 2026US 12,746,089 B2Neurochase Technologies Limited
- Drug delivery device actuated using lead screw and motor29 Sep 2026US 12,746,329 B2Manta MedTech LLC
- Time delay mechanism for a hydraulic drug delivery device15 Sep 2026US 12,734,291 B2MannKind Corporation
- Multistage gas-actuated drug supply device and method thereof25 Aug 2026US 12,714,792 B2MicroMED Co., Ltd.
- Reagent-catalyst driven single use hydraulic drive and single use large volume injector25 Aug 2026US 12,714,797 B2Nypro Inc.
- On-body injection device3 Sep 2026US 2026/0257008 A1Shl Medical AG
- Ingestible device with multi-stage actuator30 Jul 2026US 2026/0216487 A1Rani Therapeutics, LLC
- Systems, devices, and methods for delivery of therapies including stabilizing agents9 Jul 2026US 2026/0192052 A1
- Implantable device for adjustable dose using pressure sensor for piston displacement monitoring2 Jul 2026US 2026/0183480 A1Manta Pharma LLC
- Fluid delivery2 Jul 2026US 2026/0185520 A1Kpr U. S. LLC
Most cited
By later US patents
- Cartridge-based drug delivery device827US 5,858,001 AElan Medical Technologies Limited · 1999
- Programmable infusion pump for administering medication to patients488US 5,389,078 ASIMS Deltec, Inc. · 1995
- Sustained delivery of leuprolide using an implantable system394US 5,728,396 AAlza Corporation · 1998
- Pre-filled drug-delivery device and method of manufacture and assembly of same329US 6,500,150 B1Elan Pharma International Limited · 2002
- Infusion medium delivery device and method with drive device for driving plunger in reservoir310US 7,736,344 B2Medtronic MiniMed, Inc. · 2010