A61M 5/155
Pressurised by gas introduced into the reservoir
Official title: pressurised by gas {introduced into the reservoir}
A61M5/155 (Pressurised by gas introduced into the reservoir) appears on 201 US grants and 234 published applications in this corpus.
Search patents in A61M- Granted patents
- 201
- Published applications
- 234
- Assignees
- 131
- Inventors
- 515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 8 |
| 2004 | 0 | 4 |
| 2005 | 3 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 2 |
| 2008 | 3 | 5 |
| 2009 | 3 | 4 |
| 2010 | 2 | 8 |
| 2011 | 5 | 8 |
| 2012 | 5 | 5 |
| 2013 | 6 | 14 |
| 2014 | 7 | 17 |
| 2015 | 12 | 19 |
| 2016 | 7 | 10 |
| 2017 | 11 | 6 |
| 2018 | 12 | 13 |
| 2019 | 9 | 12 |
| 2020 | 9 | 22 |
| 2021 | 7 | 12 |
| 2022 | 9 | 18 |
| 2023 | 7 | 9 |
| 2024 | 7 | 8 |
| 2025 | 10 | 12 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Externally powered syringe drivers and systems and methods for using them16 Jun 2026US 12,653,953 B2Altaviz, LLC
- Injection of a therapeutic formulation into a wall of the gastrointestinal tract2 Jun 2026US 12,642,947 B2Rani Therapeutics, LLC
- Programmable Device for Precise Medication Delivery17 Sep 2026US 2026/0273182 A1
- Direct-From-Vial Medication Infusion System17 Sep 2026US 2026/0273183 A1
- Infusion system with balloon ablation and methods of using same27 Aug 2026US 2026/0248547 A1PAVmed Inc.
- Drug delivery system20 Aug 2026US 2026/0241093 A1Shl Medical AG
- Assembly for delivering substances through a delivery catheter30 Jul 2026US 2026/0216425 A1Maslanka Patentverwaltung GmbH
Most cited
By later US patents
- Subcutaneous drug delivery device with improved filling system1,081US 6,186,982 B1Elan Corporation, plc · 2001
- Drug delivery device463US 6,595,956 B12003
- Infusion device366US 4,969,874 ADisetronic AG · 1990
- Membrane pump with stretchable pump membrane348US 6,948,918 B2Novo Nordisk A/S · 2005
- Ambulatory drug delivery device326US 4,734,092 AIVAC Corporation · 1988