A61F 6/144
With t-configuration
Official title: {with T-configuration}
A61F6/144 (With t-configuration) appears on 127 US grants and 130 published applications in this corpus.
Search patents in A61F- Granted patents
- 127
- Published applications
- 130
- Assignees
- 55
- Inventors
- 194
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 5 |
| 2012 | 3 | 4 |
| 2013 | 4 | 11 |
| 2014 | 0 | 6 |
| 2015 | 3 | 11 |
| 2016 | 6 | 8 |
| 2017 | 4 | 10 |
| 2018 | 7 | 6 |
| 2019 | 3 | 7 |
| 2020 | 4 | 6 |
| 2021 | 8 | 8 |
| 2022 | 2 | 8 |
| 2023 | 10 | 6 |
| 2024 | 10 | 11 |
| 2025 | 5 | 5 |
| 2026 | 4 | 7 |
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
- Intrauterine contraceptive device10 Feb 2026US 12,544,255 B2Sebela Vlc Limited
- IUD removal devices, and related methods and kits10 Feb 2026US 12,544,256 B2Medicines360
- Inserter3 Feb 2026US 12,539,228 B2Bayer Aktiengesellschaft
- Packaging systems for implantable devices and related methods2 Dec 2025US 12,485,037 B2CooperSurgical, Inc.
- String management of an instrument to prepare and safely place an intra-uterine device17 Sep 2026US 2026/0272703 A1Pregna International Limited
- Genital tract access devices and methods30 Jul 2026US 2026/0215961 A1Medicines360
- Iud insertion devices and methods28 May 2026US 2026/0144669 A1Medicines360
- Inserter7 May 2026US 2026/0124068 A1Bayer Aktiengesellschaft
- Instrument for postpartum placement of intra-uterine device and process thereof19 Feb 2026US 2026/0047957 A1Pregna International Limited
Most cited
By later US patents
- Novel drug delivery device408US 3,993,073 AAlza Corporation · 1976
- Novel drug delivery device277US 3,948,262 AAlza Corporation · 1976
- Intrauterine contraceptive device240US 3,937,217 AOutokumpu Oy · 1976
- Osmotic device having microporous reservoir208US 3,977,404 AAlza Corporation · 1976
- Variable size intrauterine contraceptive device199US 4,005,707 A1977