F01D 15/065
With pressure-velocity transformation exclusively in rotor
Official title: {with pressure-velocity transformation exclusively in rotor}
F01D15/065 (With pressure-velocity transformation exclusively in rotor) appears on 13 US grants and 8 published applications in this corpus.
Search patents in F01D- Granted patents
- 13
- Published applications
- 8
- Assignees
- 12
- Inventors
- 33
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reverse-flow brake for rotors in dental preparation instruments21 Jan 2025US 12,201,487 B2DENTSPLY SIRONA Inc.
- Turbine motor spindle assembly for live tooling and multitasking machines2 Apr 2024US 11,945,069 B2Air Turbine Technology, Inc.
- Dual speed rotary tool15 Nov 2022US 11,498,172 B2Air Turbine Technologies, Inc.
- High-speed air spindle26 Feb 2013US 8,382,426 B2Koushi Itoh
- Compressed air-motor for rotationally driven tools23 Oct 2012US 8,292,569 B2Schmid & Wezel GmbH & Co.
- Driven tool holder having multiple turbines29 Dec 2022US 2022/0410328 A1WTO Vermögensverwaltung GmbH
- Turbine motor spindle assembly for live tooling and multitasking machines16 Jun 2022US 2022/0184761 A1First Eastern Equities, Inc.
- Reverse-flow brake for rotors in dental preparation instruments13 Jan 2022US 2022/0008162 A1DENTSPLY SIRONA Inc.
- Dual speed rotary tool17 Dec 2020US 2020/0392858 A1First Eastern Equities, Inc.
- High-speed air spindle8 Oct 2009US 2009/0252594 A1Koushi Itoh
Most cited
By later US patents
- Dental turbine35US 6,152,736 A2000
- Speed governed rotary device23US 4,776,752 A1988
- Fluid engine15US 4,060,336 AHollymatic Corporation · 1977
- Gearless angled spindle11US 5,566,770 AAir Turbine Technology, Inc. · 1996
- Pneumatic pressure automatic braking mechanism9US 5,439,346 AAir Turbine Technology, Inc. · 1995