A61C 17/125
With backflow prevention
Official title: {with backflow prevention, e.g. check valves}
A61C17/125 (With backflow prevention) appears on 32 US grants and 33 published applications in this corpus.
Search patents in A61C- Granted patents
- 32
- Published applications
- 33
- Assignees
- 10
- Inventors
- 29
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 5 |
| 2018 | 3 | 3 |
| 2019 | 1 | 1 |
| 2020 | 3 | 0 |
| 2021 | 2 | 6 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Suction apparatus and saliva ejector2 Jun 2026US 12,642,634 B1
- Toothbrush suction apparatus and method24 Mar 2026US 12,582,226 B2Rutgers, The State University of New Jersey
- Dental valve tailpiece4 Mar 2025US 12,239,501 B2Stoma Ventures, LLC
- Valve for dental suction systems1 Oct 2024US 12,104,590 B2
- Toothbrush suction apparatus and method7 May 2024US 11,974,659 B2New Jersey Institute of Technology
- Suction apparatus and saliva ejector3 Jul 2025US 2025/0213338 A1
- Dental valve tailpiece29 May 2025US 2025/0169934 A1Stoma Ventures, LLC
- Toothbrush suction apparatus and method25 Jul 2024US 2024/0245209 A1Rutgers, The State University of New Jersey
- Device for preventing suck-back phenomenon in air-driven dental handpiece29 Jun 2023US 2023/0200960 A1
- Valve for dental suction systems13 Apr 2023US 2023/0113668 A1
Most cited
By later US patents
- Backflow prevention system in suctioning apparatus35US 6,203,321 B12001
- Vacuum pump seal-water recycling and waste disposal system for dental operatories25US 5,577,910 A1996
- Coupler with check valve for a dental ejector hose25US 5,725,374 ADental Components LLC · 1998
- Self-cleaning suction device23US 8,518,017 B22013
- Self-cleaning suction device21US 9,402,985 B22016