A61M 1/684
Bellows-type
Official title: {bellows-type}
A61M1/684 (Bellows-type) appears on 64 US grants and 52 published applications in this corpus.
Search patents in A61M- Granted patents
- 64
- Published applications
- 52
- Assignees
- 29
- Inventors
- 114
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 5 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 1 | 3 |
| 2014 | 5 | 5 |
| 2015 | 2 | 3 |
| 2016 | 2 | 1 |
| 2017 | 4 | 1 |
| 2018 | 1 | 6 |
| 2019 | 3 | 2 |
| 2020 | 1 | 3 |
| 2021 | 3 | 2 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dressing with integrated pump and releasably coupled pump actuator8 Apr 2025US 12,268,805 B2KCI Licensing, Inc.
- Manually operated negative pressure wound treatment apparatus coupled with smart feedback system28 Jan 2025US 12,208,197 B2
- Vacuum assisted drainage reservoir and systems26 Sep 2023US 11,766,516 B2Merit Medical Systems, Inc.
- Skin cleansing device having interchangeable cleansing heads8 Aug 2023US 11,717,472 B2Rodan & Fields, LLC
- Skin cleansing device having interchangeable cleansing heads18 Oct 2022US 11,471,364 B2Rodan & Fields, LLC
- Air extraction device and nasal aspirator26 Mar 2026US 2026/0083893 A1Zhongshan Xingfu Industry and Trade Co., Ltd.
- Drainage system including fluid collection apparatus having a selectable negative pressure for draining and collecting bodily fluids from a body cavity29 Aug 2024US 2024/0285842 A1Bard Peripheral Vascular, Inc.
- Wound treatment device employing negative pressure8 Feb 2024US 2024/0041660 A1Applied Tissue Technologies, LLC
- Uniform internal diameter fluid drainage device and system7 Sep 2023US 2023/0277751 A1Oink Medical Group, LLC
- Skin cleansing device having interchangeable cleansing heads2 Feb 2023US 2023/0031941 A1Rodan & Fields, LLC
Most cited
By later US patents
- Canister for receiving wound exudate in a negative pressure therapy system466US 8,216,198 B2Tyco Healthcare Group LP · 2012
- Canister for receiving wound exudate in a negative pressure therapy system430US 8,679,081 B2Smith & Nephew, Inc. · 2014
- Device for vacuum-sealing an injury377US 6,174,306 B12001
- Closed wound suction evacuator with rotary valve192US 4,529,402 ASnyder Laboratories, Inc. · 1985
- Reduced pressure delivery system having a manually-activated pump for providing treatment to low-severity wounds166US 8,007,257 B2KCI Licensing, Inc. · 2011