A61C 5/46
Nerve extractors
Official title: Nerve extractors, e.g. needles; Means for removing broken parts of endodontic instruments
A61C5/46 (Nerve extractors) appears on 26 US grants and 37 published applications in this corpus.
Search patents in A61C- Granted patents
- 26
- Published applications
- 37
- Assignees
- 16
- Inventors
- 67
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 5 |
| 2021 | 2 | 2 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric reciprocation generator for reamer and electric reciprocation generator attached with reamer16 Sep 2025US 12,414,840 B2
- Endodontic file for dental nerve treatment with improved fracturable area5 Nov 2024US 12,133,780 B2
- Dental instrument for removing fractured root canal instruments4 Jun 2024US 11,998,416 B2
- Needle for extracting endodontic separated instruments31 Oct 2023US 11,801,119 B2University of Sharjah
- Tool for extracting broken endodontic instrument9 May 2023US 11,642,192 B1Giftedness and Creativity Company
- Endodontic apparatus and method of using the same27 Aug 2026US 2026/0248589 A1King Saud University
- Endodontic apparatus and method of using the same27 Aug 2026US 2026/0248590 A1King Saud University
- Endodontic needle assembly23 Oct 2025US 2025/0325345 A1Odne AG
- Dental tool13 Feb 2025US 2025/0049536 A1
- Cutting tool for removing broken endodontic instrument3 Oct 2024US 2024/0325112 A1King Faisal University
Most cited
By later US patents
- Ultrasonic microtube dental instruments and methods of using same412US 6,976,844 B2San Diego Swiss Machining, Inc. · 2005
- Root canal obstruction removal system56US 5,879,160 A1999
- Instrument removal system49US 6,227,855 B12001
- Tool and method for removing a parted endodontic file31US 4,746,292 A1988
- Systems and methods for removing foreign objects from root canals21US 10,806,544 B2Sonendo, Inc. · 2020