A61B 5/4356
Assessing uterine contractions
Official title: {Assessing uterine contractions (A61B5/033 takes precedence)}
A61B5/4356 (Assessing uterine contractions) appears on 203 US grants and 255 published applications in this corpus.
Search patents in A61B- Granted patents
- 203
- Published applications
- 255
- Assignees
- 130
- Inventors
- 448
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 6 |
| 2008 | 1 | 3 |
| 2009 | 2 | 5 |
| 2010 | 4 | 2 |
| 2011 | 2 | 9 |
| 2012 | 5 | 8 |
| 2013 | 3 | 7 |
| 2014 | 7 | 9 |
| 2015 | 6 | 20 |
| 2016 | 8 | 18 |
| 2017 | 10 | 10 |
| 2018 | 13 | 15 |
| 2019 | 8 | 13 |
| 2020 | 8 | 26 |
| 2021 | 10 | 21 |
| 2022 | 10 | 16 |
| 2023 | 18 | 19 |
| 2024 | 16 | 13 |
| 2025 | 11 | 14 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for outputting pregnancy movements11 Aug 2026US 12,702,347 B2
- Prenatal monitoring system4 Aug 2026US 12,697,037 B2Medtronic, Inc.
- System for reproductive monitoring23 Jun 2026US 12,661,019 B2Medtronic, Inc.
- Systems, devices, and methods for performing trans-abdominal fetal oximetry and/or trans-abdominal fetal pulse oximetry using a fetal heartbeat signal for a pregnant mammal26 May 2026US 12,635,920 B2Raydiant Oximetry, Inc.
- Quantitative analysis of uterine spatiotemporal motion patterns and coordination7 Apr 2026US 12,594,059 B2Gynaecologiepraktijk B.C. Schoot B.V.
- System and protocol for monitoring pregnancy health20 Aug 2026US 2026/0240487 A1AmpX Technologies, 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
- System and methods for a labor coach algorithm9 Jul 2026US 2026/0191458 A1GE Precision Healthcare LLC
- Determining fetal parameters using an electrode grid patch on the maternal abdomen9 Jul 2026US 2026/0191459 A1GE Precision Healthcare LLC
Most cited
By later US patents
- Monitoring uterine contractions by radiotelemetric transmission188US 5,373,852 AThe Regents of the University of California · 1994
- Wireless patient monitoring apparatus using inductive coupling171US 5,882,300 ASpaceLabs Medical, Inc. · 1999
- Obstetrical instrument system and method157US 5,935,061 ABiosense, Inc. · 1999
- Use of a pulse oxymetry sensor device102US 5,911,690 A1999
- Method and apparatus for analyzing uterine electrical activity from surface measurements for obstetrical diagnosis92US 5,623,939 ABoard of Regents, The University of Texas System · 1997