A61F 6/146
Occluders for the cervical canal
Official title: {Occluders for the cervical canal (occluding by internal devices A61B17/12022; dilators A61M29/00)}
A61F6/146 (Occluders for the cervical canal) appears on 23 US grants and 30 published applications in this corpus.
Search patents in A61F- Granted patents
- 23
- Published applications
- 30
- Assignees
- 16
- Inventors
- 50
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 3 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 6 |
| 2022 | 1 | 0 |
| 2023 | 2 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for everting catheter for IUD delivery and placement in the uterine cavity16 Sep 2025US 12,414,873 B2CrossBay Medical, Inc.
- Device and method for artificial insemination2 Apr 2024US 11,944,351 B2InnoMed One, LLC
- Artificial insemination system and method of use28 Feb 2023US 11,589,899 B2InnoMed One, LLC
- Apparatus and method for everting catheter for IUD delivery and placement in the uterine cavity21 Feb 2023US 11,583,436 B2CrossBay Medical, Inc.
- Apparatus and method for everting catheter for IUD delivery and placement in the uterine cavity3 May 2022US 11,318,041 B2CrossBay Medical, Inc.
- Apparatus and method for everting catheter for iud delivery and placement in the uterine cavity4 Dec 2025US 2025/0367022 A1CrossBay Medical, Inc.
- Non-hormonal contraceptive and method of application9 Oct 2025US 2025/0312186 A1
- Device and method for artificial insemination23 Jan 2025US 2025/0025212 A1InnoMed One, LLC
- Conformal contraception devices and methods14 Nov 2024US 2024/0374415 A1Venova Technologies, Inc.
- Apparatus and methods for everting catheters with expandable lumens1 Aug 2024US 2024/0252786 A1CrossBay Medical, Inc.
Most cited
By later US patents
- Inflatable cerivical pessary95US 5,065,772 AInAMed GmbH · 1991
- Medical devices and methods of making and using such devices69US 7,699,056 B2Conceptus, Inc. · 2010
- Dispensing catheter52US 3,972,331 APopulation Research Incorporated · 1976
- Birth control method and device employing electric forces49US 4,616,640 A1986
- Contraceptive device41US 4,932,422 A1990