A61B 7/04
Electric stethoscopes
A61B7/04 (Electric stethoscopes) appears on 1,535 US grants and 2,207 published applications in this corpus.
Search patents in A61B- Granted patents
- 1,535
- Published applications
- 2,207
- Assignees
- 785
- Inventors
- 3,217
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 10 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 14 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 12 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 16 | 0 |
| 2000 | 17 | 0 |
| 2001 | 13 | 7 |
| 2002 | 20 | 25 |
| 2003 | 23 | 30 |
| 2004 | 15 | 49 |
| 2005 | 12 | 39 |
| 2006 | 21 | 35 |
| 2007 | 15 | 37 |
| 2008 | 13 | 56 |
| 2009 | 17 | 44 |
| 2010 | 16 | 37 |
| 2011 | 32 | 63 |
| 2012 | 42 | 55 |
| 2013 | 55 | 66 |
| 2014 | 67 | 188 |
| 2015 | 67 | 114 |
| 2016 | 74 | 133 |
| 2017 | 69 | 146 |
| 2018 | 91 | 143 |
| 2019 | 104 | 144 |
| 2020 | 96 | 121 |
| 2021 | 102 | 136 |
| 2022 | 99 | 110 |
| 2023 | 75 | 121 |
| 2024 | 73 | 113 |
| 2025 | 79 | 110 |
| 2026 | 56 | 85 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Medical decision support system29 Sep 2026US 12,745,974 B2Ausculsciences, Inc.
- Digital auscultation device22 Sep 2026US 12,740,755 B2
- Digestive canal scanning device, body scanning device, body scanning method and acoustic-based digestive organ monitoring system15 Sep 2026US 12,733,896 B2Korea University Research and Business Foundation
- Medical decision support system15 Sep 2026US 12,733,898 B2Ausculsciences, Inc.
- Noise canceling solid state electronic stethoscope with adapted acoustic impedance15 Sep 2026US 12,739,561 B2
- Soft wearable patch for continuous cardiac biometric security8 Oct 2026US 2026/0305984 A1Georgia Tech Research Corporation
- Device8 Oct 2026US 2026/0306046 A1Cambridge Enterprise Limited
- Chestpiece, method and auscultation system8 Oct 2026US 2026/0306047 A1Lapsi Health Holding B.V.
- Heart failure risk using mechanical activity1 Oct 2026US 2026/0294280 A1Medtronic, Inc.
- Wearable monitor1 Oct 2026US 2026/0301939 A1iRhythm Technologies, Inc.
Most cited
By later US patents
- Apparatus for detecting human physiological and contextual information1,245US 7,020,508 B2BodyMedia, Inc. · 2006
- Method and apparatus for estimating systolic and mean pulmonary artery pressures of a patient1,126US 6,368,283 B1Institut de Recherches Cliniques de Montreal · 2002
- Tension-adjustable mechanism for stethoscope earpieces1,024US 6,595,316 B2Andromed, Inc. · 2003
- Headset for electronic stethoscope956US 5,561,275 ADelstar Services Informatiques (1993) Inc. · 1996
- Non-invasive measurement of second heart sound components913US 7,909,772 B2Masimo Corporation · 2011