A61C 1/144
Constricting the operating tool
Official title: {constricting the operating tool, e.g. chuck}
A61C1/144 (Constricting the operating tool) appears on 61 US grants and 58 published applications in this corpus.
Search patents in A61C- Granted patents
- 61
- Published applications
- 58
- Assignees
- 44
- Inventors
- 120
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 5 |
| 2008 | 3 | 2 |
| 2009 | 0 | 6 |
| 2010 | 2 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 4 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 5 |
| 2021 | 1 | 3 |
| 2022 | 3 | 4 |
| 2023 | 1 | 2 |
| 2024 | 3 | 1 |
| 2025 | 3 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rotatable ultrasonic vibration device29 Sep 2026US 12,746,098 B2Shenzhen Superline Technology Co., Ltd.
- Medical instrument system comprising a surgical tool30 Dec 2025US 12,508,036 B2Aesculap AG
- Selective coupling device for a collet chuck12 Aug 2025US 12,383,375 B2Bien-Air Holding SA
- Prophylaxis tool handpiece1 Apr 2025US 12,263,051 B1Avid, L.L.C.
- Assisted tightening device for handpiece19 Nov 2024US 12,144,692 B2Bien-Air Holding SA C/O Bien-Air Dental SA
- Dental handpiece having a chuck with an integrated plunger ball22 Jan 2026US 2026/0020934 A1DENTSPLY SIRONA Inc.
- Dental handpiece15 Jan 2026US 2026/0013972 A1Nakanishi Inc.
- Dental handpiece having an improved push button guidance30 Oct 2025US 2025/0331950 A1DENTSPLY SIRONA Inc.
- Rotatable ultrasonic vibration device13 Mar 2025US 2025/0082435 A1Shenzhen Superline Technology Co., Ltd.
- Dental prophylactic treatment device13 Jun 2024US 2024/0189081 A1W&H Dentalwerk Bürmoos GmbH
Most cited
By later US patents
- Centrifugal chuck for surgical handpiece27US 5,833,246 ALinvatec Corporation · 1998
- Air driven dental handpiece21US 4,020,556 AStar Dental Manufacturing Co., Inc. · 1977
- Device including a screw pin and a driven member for screwing the pin into a tooth21US 4,553,942 AInstitute Straumann AG · 1985
- Chuck with a push button release for a dental/medical device16US 5,924,865 AYoung Dental Manufacturing Company · 1999
- Collet wrench15US 3,960,039 AStar Dental Manufacturing Co., Inc. · 1976