A61K 9/0036
Devices retained in the vagina or cervix for a prolonged period
Official title: {Devices retained in the vagina or cervix for a prolonged period, e.g. intravaginal rings, medicated tampons, medicated diaphragms}
A61K9/0036 (Devices retained in the vagina or cervix for a prolonged period) appears on 423 US grants and 586 published applications in this corpus.
Search patents in A61K- Granted patents
- 423
- Published applications
- 586
- Assignees
- 310
- Inventors
- 1,032
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 10 |
| 2003 | 6 | 22 |
| 2004 | 6 | 13 |
| 2005 | 6 | 14 |
| 2006 | 6 | 17 |
| 2007 | 3 | 17 |
| 2008 | 3 | 19 |
| 2009 | 2 | 19 |
| 2010 | 9 | 21 |
| 2011 | 9 | 18 |
| 2012 | 11 | 22 |
| 2013 | 15 | 22 |
| 2014 | 15 | 30 |
| 2015 | 17 | 32 |
| 2016 | 13 | 24 |
| 2017 | 11 | 22 |
| 2018 | 16 | 26 |
| 2019 | 20 | 32 |
| 2020 | 25 | 47 |
| 2021 | 23 | 36 |
| 2022 | 21 | 18 |
| 2023 | 15 | 29 |
| 2024 | 9 | 31 |
| 2025 | 14 | 25 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Controlled-release progesterone compositions and uses thereof8 Sep 2026US 12,728,133 B2Ceva Sante Animale
- Vaginal measurements using a vaginal ring25 Aug 2026US 12,714,333 B2LiGalli B.V.
- System for providing birth control11 Aug 2026US 12,702,641 B2The Population Council, Inc.
- Modified mRNA vaccines encoding herpes simplex virus glycoproteins and uses thereof11 Aug 2026US 12,702,707 B2The Trustees of the University of Pennsylvania
- Aryl-substituted n-alkyl indoles and their use as pharmacologically active agents14 Jul 2026US 12,679,847 B1Nalu Bio, Inc.
- Levonorgestrel and compositions comprising the same17 Sep 2026US 2026/0272825 A1
- Pharmaceutical Preparation Containing Selenite or Selenite-Containing Compounds for Treating Cervical Dysplasia or Carcinomas3 Sep 2026US 2026/0256829 A1Selo Medical GmbH
- Compositions and techniques for treatment of polycystic ovarian syndrome (pcos) and endometriosis13 Aug 2026US 2026/0232575 A1
- Multi-component intravaginal ring6 Aug 2026US 2026/0224475 A1
- Rapidly dissolving vaginal film with contraceptive action and sexually transmitted infection prevention30 Jul 2026US 2026/0216061 A1Evofem, Inc.
Most cited
By later US patents
- Methods of using in situ hydration of hydrogel articles for sealing or augmentation of tissue or vessels548US 6,605,294 B2Incept, LLC · 2003
- Novel drug delivery device408US 3,993,073 AAlza Corporation · 1976
- Therapeutic device for osmotically dosing at controlled rate374US 4,160,020 AAlza Corporation · 1979
- Osmotic system for the controlled and delivery of agent over time343US 4,111,202 AAlza Corporation · 1978
- Drug-delivery device comprising certain polymeric materials for controlled release of drug332US 4,069,307 AAlza Corporation · 1978