A61K 9/0039
Devices retained in the uterus for a prolonged period
Official title: {Devices retained in the uterus for a prolonged period, e.g. intrauterine devices for contraception}
A61K9/0039 (Devices retained in the uterus for a prolonged period) appears on 112 US grants and 112 published applications in this corpus.
Search patents in A61K- Granted patents
- 112
- Published applications
- 112
- Assignees
- 80
- Inventors
- 256
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 3 |
| 2007 | 0 | 4 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 5 |
| 2012 | 1 | 4 |
| 2013 | 3 | 3 |
| 2014 | 4 | 7 |
| 2015 | 3 | 10 |
| 2016 | 3 | 5 |
| 2017 | 4 | 6 |
| 2018 | 4 | 8 |
| 2019 | 4 | 7 |
| 2020 | 3 | 7 |
| 2021 | 3 | 3 |
| 2022 | 2 | 4 |
| 2023 | 3 | 6 |
| 2024 | 5 | 9 |
| 2025 | 2 | 8 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intrauterine device with retrieval thread11 Aug 2026US 12,702,583 B2Sebela Vlc Limited
- Agents and methods for modulating pathogen activity3 Mar 2026US 12,564,596 B2Griffith University
- Elastic sheet with function of re-activating endometrial basal layer in uterine cavity and forming method thereof30 Sep 2025US 12,427,106 B2Yipurun (Shanghai) Biotechnology Co., Ltd.
- Long acting drug delivery device and its use in contraception15 Jul 2025US 12,357,563 B2Bayer Aktiengesellschaft
- Device positionable in the uterine cavity and method of treatment thereof10 Dec 2024US 12,161,829 B2OCON Medical Ltd.
- Agents and methods for modulating pathogen activity9 Jul 2026US 2026/0191879 A1Griffith University
- Long acting drug delivery device and its use in contraception26 Feb 2026US 2026/0053736 A1Bayer Aktiengesellschaft
- Intra-uterine monitoring and contraceptive system29 Jan 2026US 2026/0026752 A1
- Anti-angiogenic therapy as treatment for benign uterine disorders1 Jan 2026US 2026/0000657 A1
- Elastic sheet with function of re-activating endometrial basal layer in uterine cavity and forming method thereof27 Nov 2025US 2025/0360080 A1
Most cited
By later US patents
- Novel drug delivery device408US 3,993,073 AAlza Corporation · 1976
- Device consisting of copolymer having acetoxy groups for delivering drugs343US 4,144,317 AAlza Corporation · 1979
- Drug-delivery device comprising certain polymeric materials for controlled release of drug332US 4,069,307 AAlza Corporation · 1978
- Novel drug delivery device277US 3,948,262 AAlza Corporation · 1976
- Vaginal drug dispensing device250US 4,016,251 AAlza Corporation · 1977