A61B 1/2275
With controlled air pressure
Official title: {with controlled air pressure}
A61B1/2275 (With controlled air pressure) appears on 38 US grants and 48 published applications in this corpus.
Search patents in A61B- Granted patents
- 38
- Published applications
- 48
- Assignees
- 28
- Inventors
- 102
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 3 | 1 |
| 2015 | 1 | 9 |
| 2016 | 1 | 3 |
| 2017 | 2 | 1 |
| 2018 | 6 | 2 |
| 2019 | 3 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 5 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Narrow-orifice foreign body extraction device29 Jul 2025US 12,370,090 B2Oregon Health & Science University
- Ear ailment diagnostic device and method13 May 2025US 12,295,546 B2Zipline Health, Inc.
- Methods and devices for membrane characterization with ultrasound and optical illumination3 Dec 2024US 12,156,765 B2OtoNexus Medical Technologies, Inc.
- Methods and devices for membrane characterization with ultrasound and optical illumination3 Sep 2024US 12,076,186 B2OtoNexus Medical Technologies, Inc.
- Otoscope16 May 2023US 11,647,902 B2University of Utah Research Foundation
- Otoscope27 Nov 2025US 2025/0359748 A1Guangzhou Luxvisions Innovation Technology Limited
- Methods and devices for membrane characterization with ultrasound and optical illumination17 Jul 2025US 2025/0228525 A1OtoNexus Medical Technologies, Inc.
- Therapeutic endoscope and cover therefor19 Sep 2024US 2024/0306893 A1Techeverst Co., Ltd.
- Systems and methods for optical illumination in a speculum tip18 Jan 2024US 2024/0016377 A1OtoNexus Medical Technologies, Inc.
- Methods and systems for automated pneumatic otoscopy28 Dec 2023US 2023/0414088 A1OtoNexus Medical Technologies, Inc.
Most cited
By later US patents
- Method and apparatus for continuous non-invasive monitoring of blood pressure parameters172US 6,004,274 A1999
- Soft tip speculum89US 4,380,998 AWelch Allyn, Inc. · 1983
- Video otoscope78US 5,363,839 AJEDMED Instrument Company · 1994
- Medical diagnostic instrument38US 10,098,530 B2Welch Allyn, Inc. · 2018
- Otoscope38US 7,399,275 B2Welch Allyn, Inc. · 2008