A61M 1/3652
Using gas
Official title: {using gas, e.g. air}
A61M1/3652 (Using gas) appears on 184 US grants and 150 published applications in this corpus.
Search patents in A61M- Granted patents
- 184
- Published applications
- 150
- Assignees
- 47
- Inventors
- 213
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 3 |
| 2004 | 4 | 5 |
| 2005 | 2 | 5 |
| 2006 | 3 | 1 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 2 | 6 |
| 2010 | 1 | 4 |
| 2011 | 3 | 10 |
| 2012 | 6 | 11 |
| 2013 | 4 | 8 |
| 2014 | 7 | 6 |
| 2015 | 13 | 9 |
| 2016 | 8 | 12 |
| 2017 | 8 | 13 |
| 2018 | 11 | 8 |
| 2019 | 12 | 8 |
| 2020 | 8 | 7 |
| 2021 | 5 | 4 |
| 2022 | 4 | 3 |
| 2023 | 6 | 8 |
| 2024 | 6 | 9 |
| 2025 | 3 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Automatic emptying of a dialyzer following a blood treatment therapy9 Jun 2026US 12,649,023 B2B. Braun Avitum AG
- Blood purification apparatus24 Feb 2026US 12,558,467 B2Nikkiso Co., Ltd.
- Hemodialysis system including a disposable set and a dialysis instrument20 Jan 2026US 12,527,898 B2Baxter Healthcare S. A.
- Blood purification apparatus18 Nov 2025US 12,472,290 B2Nikkiso Co., Ltd.
- Apparatus for extracorporeal blood treatment21 Oct 2025US 12,447,255 B2Gambro Lundia AB
- Blood Purification Apparatus5 Feb 2026US 2026/0034282 A1Nikkiso Co., Ltd.
- Blood purification apparatus20 Nov 2025US 2025/0352708 A1Shibuya Corporation
- Method for venting an extracorporeal circuit of an extracorporeal blood treatment device, extracorporeal blood treatment device7 Aug 2025US 2025/0249161 A1
- Hemodialysis systems and methods16 Jan 2025US 2025/0018097 A1DEKA Products Limited Partnership
- Hemodialysis system including a disposable set and a dialysis instrument29 Aug 2024US 2024/0285836 A1Baxter Healthcare S. A.
Most cited
By later US patents
- Blood pumping and processing system359US 5,423,738 A1995
- Retrograde perfusion system, components and method332US 5,024,668 ARocky Mountain Research, Inc. · 1991
- Retroperfusion and retroinfusion control apparatus, system and method288US 5,011,468 ARetroperfusion Systems, Inc. · 1991
- Blood treatment systems and methods274US 8,409,441 B2DEKA Products Limited Partnership · 2013
- Blood collection and processing system252US 5,100,564 APall Corporation · 1992