A61M 1/82
Membrane pumps
Official title: {Membrane pumps, e.g. bulbs}
A61M1/82 (Membrane pumps) appears on 393 US grants and 522 published applications in this corpus.
Search patents in A61M- Granted patents
- 393
- Published applications
- 522
- Assignees
- 185
- Inventors
- 736
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 6 |
| 2002 | 4 | 1 |
| 2003 | 4 | 6 |
| 2004 | 4 | 8 |
| 2005 | 4 | 14 |
| 2006 | 3 | 7 |
| 2007 | 4 | 21 |
| 2008 | 4 | 14 |
| 2009 | 5 | 20 |
| 2010 | 15 | 32 |
| 2011 | 11 | 22 |
| 2012 | 14 | 14 |
| 2013 | 23 | 29 |
| 2014 | 18 | 29 |
| 2015 | 17 | 24 |
| 2016 | 24 | 21 |
| 2017 | 19 | 25 |
| 2018 | 17 | 30 |
| 2019 | 22 | 28 |
| 2020 | 29 | 33 |
| 2021 | 24 | 31 |
| 2022 | 19 | 23 |
| 2023 | 25 | 10 |
| 2024 | 16 | 30 |
| 2025 | 11 | 25 |
| 2026 | 15 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ophthalmic surgical cartridge25 Aug 2026US 12,714,776 B2Carl Zeiss Meditec AG
- Breast pump and method for operating such pump28 Jul 2026US 12,691,206 B2Medela Holding AG
- Breast pump system and a pump arrangement for a breast pump system2 Jun 2026US 12,642,895 B2Koninklijke Philips N. V.
- Cyclic aspiration system with a non-powered internal structural impediment engaging with a clot assisting in capture26 May 2026US 12,636,421 B2Neuravi Limited
- Disposable thrombectomy maceration and aspiration system19 May 2026US 12,629,159 B2Argon Medical Devices, Inc.
- Drainage Apparatus, Disposable Collection Bag, Tubing Set, And Methods Of Use1 Oct 2026US 2026/0295142 A1Bard Peripheral Vascular, Inc.
- Methods and systems for treatment of acute ischemic stroke17 Sep 2026US 2026/0272483 A1Route 92 Medical, Inc.
- Negative pressure wound therapy apparatus and methods17 Sep 2026US 2026/0273165 A1Smith & Nephew, Inc.
- Personalization Of Blood Processing Procedures27 Aug 2026US 2026/0248996 A1
- Aspiration vacuum source13 Aug 2026US 2026/0232889 A1Neuravi Limited
Most cited
By later US patents
- Apparatus for removing fluid from a wound1,682US 5,549,584 AThe Kendall Company · 1996
- Portable wound treatment apparatus715US 6,142,982 AKCI Medical Limited · 2000
- Apparatus and method for suction-assisted wound healing447US 7,625,362 B2Boehringer Technologies, L.P. · 2009
- Wound cleansing apparatus in-situ394US 7,964,766 B2Smith & Nephew, Inc. · 2011
- Reduced pressure wound cupping treatment system326US 7,708,724 B2Blue Sky Medical Group Incorporated · 2010