A61B 5/344
Foetal cardiography
A61B5/344 (Foetal cardiography) appears on 160 US grants and 219 published applications in this corpus.
Search patents in A61B- Granted patents
- 160
- Published applications
- 219
- Assignees
- 121
- Inventors
- 416
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 4 |
| 2005 | 2 | 8 |
| 2006 | 1 | 2 |
| 2007 | 0 | 9 |
| 2008 | 3 | 8 |
| 2009 | 4 | 9 |
| 2010 | 7 | 6 |
| 2011 | 4 | 12 |
| 2012 | 8 | 7 |
| 2013 | 3 | 7 |
| 2014 | 11 | 4 |
| 2015 | 3 | 7 |
| 2016 | 6 | 15 |
| 2017 | 10 | 11 |
| 2018 | 5 | 11 |
| 2019 | 9 | 9 |
| 2020 | 6 | 11 |
| 2021 | 3 | 15 |
| 2022 | 11 | 18 |
| 2023 | 5 | 14 |
| 2024 | 8 | 9 |
| 2025 | 10 | 9 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Prenatal monitoring system4 Aug 2026US 12,697,037 B2Medtronic, Inc.
- Apparatus for monitoring pregnancy or labour3 Mar 2026US 12,564,352 B2Baymatob Pty Ltd
- System and method for optimal sensor placement and signal quality for monitoring maternal and fetal activities23 Dec 2025US 12,502,116 B2KALI Healthcare Pty Ltd
- Method and system for processing a phonocardiographic signal characterizing fetal breathing movement18 Nov 2025US 12,471,878 B2Pázmány Péter Katolikus Egyetem
- Processing unit and method for use in fetal monitoring30 Sep 2025US 12,426,792 B2Koninklijke Philips N. V.
- Premature heartbeat analysis3 Sep 2026US 2026/0256403 A1Cardiac Pacemakers, Inc.
- Systems and methods for maternal uterine activity detection16 Jul 2026US 2026/0198844 A1
- Maternal fetal monitoring system and method16 Jul 2026US 2026/0198864 A1GE Precision Healthcare LLC
- Determining fetal parameters using an electrode grid patch on the maternal abdomen9 Jul 2026US 2026/0191459 A1GE Precision Healthcare LLC
- Maternal and fetal monitoring systems and methods18 Jun 2026US 2026/0165639 A1GE Precision Healthcare LLC
Most cited
By later US patents
- Patient monitor and support system659US 5,558,638 AHealthdyne, Inc. · 1996
- Method and apparatus for correlating respiration and heartbeat variability215US 5,105,354 ANippon Kayaku Kabushiki Kaisha · 1992
- Device and system for remote for in-clinic trans-abdominal/vaginal/cervical acquisition, and detection, analysis, and communication of maternal uterine and maternal and fetal cardiac and fetal brain activity from electrical signals166US 6,816,744 B2Reproductive Health Technologies, Inc. · 2004
- Apparatus and method for non-invasive, passive fetal heart monitoring93US 6,751,498 B1The Johns Hopkins University · 2004
- Intrauterine pressure and fetal heart rate sensor91US 5,184,619 APeritronics Medical, Inc. · 1993