A61B 5/0285
Measuring or recording phase velocity of blood waves
A61B5/0285 (Measuring or recording phase velocity of blood waves) appears on 421 US grants and 587 published applications in this corpus.
Search patents in A61B- Granted patents
- 421
- Published applications
- 587
- Assignees
- 298
- Inventors
- 1,088
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 4 |
| 2002 | 9 | 18 |
| 2003 | 22 | 30 |
| 2004 | 18 | 15 |
| 2005 | 14 | 10 |
| 2006 | 6 | 9 |
| 2007 | 1 | 9 |
| 2008 | 5 | 16 |
| 2009 | 5 | 10 |
| 2010 | 2 | 26 |
| 2011 | 4 | 8 |
| 2012 | 8 | 8 |
| 2013 | 12 | 19 |
| 2014 | 10 | 13 |
| 2015 | 9 | 36 |
| 2016 | 12 | 21 |
| 2017 | 14 | 32 |
| 2018 | 9 | 38 |
| 2019 | 21 | 44 |
| 2020 | 18 | 46 |
| 2021 | 24 | 51 |
| 2022 | 29 | 34 |
| 2023 | 38 | 32 |
| 2024 | 28 | 17 |
| 2025 | 22 | 22 |
| 2026 | 10 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for measuring intravascular blood flow using a backscattering contrast6 Oct 2026US 12,751,639 B2The General Hospital Corporation
- Implantable cerebral sensing devices and systems and methods related thereto15 Sep 2026US 12,733,821 B2Georgia Tech Research Corporation
- System and method for measuring blood flow velocity on a microfluidic chip1 Sep 2026US 12,721,537 B2Case Western Reserve University
- Receiver arrays for photoacoustic devices18 Aug 2026US 12,708,272 B2QUALCOMM Incorporated
- Apparatus and method for estimating bio-information23 Jun 2026US 12,661,022 B2Samsung Electronics Co., Ltd.
- Apparatus and method for determining blood velocity10 Sep 2026US 2026/0262957 A1Japan Display Inc.
- System and method for measuring pulse wave velocity30 Jul 2026US 2026/0215697 A1Rockley Photonics Limited
- Evaluation of blood flow parameters23 Jul 2026US 2026/0212506 A1Koninklijke Philips N. V.
- Arterial stenosis detection and quantification of stenosis severity21 May 2026US 2026/0137280 A1
- Aortic flow meter and pump for partial-aortic occlusion30 Apr 2026US 2026/0114874 A1Government of the United States as Represented by the Secretary of the Air Force
Most cited
By later US patents
- Apparatus and method for measurement and control of blood pressure709US 4,425,920 APurdue Research Foundation · 1984
- Non-invasive blood pressure measurement system684US 9,408,542 B1Masimo Corporation · 2016
- Measurement of electrocardiographic wave and sphygmus652US 5,316,008 ACasio Computer Co., Ltd. · 1994
- Physiological signal monitoring system487US 6,616,613 B1VitalSines International, Inc. · 2003
- Non-invasive blood pressure measurement system299US 10,052,037 B2Masimo Corporation · 2018