A61C 1/052
Ducts for supplying driving or cooling fluid
Official title: {Ducts for supplying driving or cooling fluid, e.g. air, water}
A61C1/052 (Ducts for supplying driving or cooling fluid) appears on 193 US grants and 131 published applications in this corpus.
Search patents in A61C- Granted patents
- 193
- Published applications
- 131
- Assignees
- 98
- Inventors
- 354
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 13 | 0 |
| 1981 | 1 | 0 |
| 1982 | 10 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 0 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 0 | 1 |
| 2006 | 2 | 7 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 5 |
| 2011 | 0 | 5 |
| 2012 | 4 | 0 |
| 2013 | 2 | 8 |
| 2014 | 1 | 7 |
| 2015 | 4 | 1 |
| 2016 | 2 | 8 |
| 2017 | 7 | 7 |
| 2018 | 9 | 10 |
| 2019 | 5 | 6 |
| 2020 | 4 | 8 |
| 2021 | 7 | 7 |
| 2022 | 2 | 7 |
| 2023 | 5 | 8 |
| 2024 | 6 | 5 |
| 2025 | 9 | 7 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dental handpiece for drilling and suctioning30 Jun 2026US 12,667,447 B2Imam Abdulrahman Bin Faisal University
- Dental handpeice31 Mar 2026US 12,588,968 B2
- Dental handpiece with embedded wireless communication device27 Jan 2026US 12,533,209 B2Dentalez, Inc.
- Method of preventing suckback of dental handpiece by bypass injection of driving air and dental handpiece system having bypass injection structure21 Oct 2025US 12,446,998 B2Dunamis Dental Co.,Ltd.
- Medical device and cooling-fluid/rinsing-fluid hose14 Oct 2025US 12,440,226 B2Aesculap AG
- Dental handpiece with suction10 Sep 2026US 2026/0263190 A1Imam Abdulrahman Bin Faisal University
- Dental Drill16 Jul 2026US 2026/0199054 A1Platinum Point LLC
- Dental handpiece9 Jul 2026US 2026/0191620 A1Nakanishi Inc.
- Sprayer device adaptable to a dental three-way syringe21 May 2026US 2026/0137496 A1
- Dental handpiece for drilling and suctioning22 Jan 2026US 2026/0020933 A1Imam Abdulrahman Bin Faisal University
Most cited
By later US patents
- Dental water and air purification equipment187US 5,474,451 ARegents of the University of Minnesota · 1995
- Intraosseous drug delivery device and method186US 5,779,708 ACyberdent, Inc. · 1998
- Dental handpiece assembly177US 4,973,247 A1990
- Dental handpiece having cleaning unit164US 5,380,201 ANakanishi Dental Mfg. Co., Ltd. · 1995
- Water purification system for dental instrument163US 5,230,624 A1993