B04C 2009/007
Combinations with other devices: with internal rotors
Official title: {with internal rotors, e.g. impeller, ventilator, fan, blower, pump}
B04C2009/007 (Combinations with other devices: with internal rotors) appears on 104 US grants and 103 published applications in this corpus.
Search patents in B04C- Granted patents
- 104
- Published applications
- 103
- Assignees
- 75
- Inventors
- 193
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 3 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 4 | 3 |
| 2010 | 2 | 4 |
| 2011 | 2 | 4 |
| 2012 | 1 | 0 |
| 2013 | 4 | 6 |
| 2014 | 3 | 3 |
| 2015 | 1 | 4 |
| 2016 | 6 | 6 |
| 2017 | 5 | 6 |
| 2018 | 4 | 7 |
| 2019 | 5 | 9 |
| 2020 | 8 | 10 |
| 2021 | 5 | 1 |
| 2022 | 4 | 5 |
| 2023 | 3 | 6 |
| 2024 | 7 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compact disc stack cyclone separator19 May 2026US 12,629,701 B2
- System and method for four dimensionally separating materials5 Aug 2025US 12,377,421 B2
- Device for collecting material from air8 Apr 2025US 12,270,747 B2Root Applied Sciences Inc.
- Ultraviolet radiation air sanitizing machine29 Oct 2024US 12,128,162 B2
- Cyclone with rotating rod basket1 Oct 2024US 12,103,047 B2KHD Humboldt Wedag GmbH
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Dust collecting apparatus, vacuum cleaner, and cleaning apparatus16 Jul 2026US 2026/0198738 A1Samsung Electronics Co., Ltd.
- An apparatus for removing particulate materials from a liquid stream21 May 2026US 2026/0138141 A1GM Innovations Limited
- Cyclone separator, purifier and laser processing system2 Apr 2026US 2026/0091398 A1Makeblock Co., Ltd.
Most cited
By later US patents
- Prandtl layer turbine92US 6,328,527 B1Fantom Technologies Inc. · 2001
- Rotational particle separator67US 4,994,097 AB. B. Romico B.V. I.O. · 1991
- Powered low restriction air precleaner device and method for providing a clean air flow to an apparatus such as a combustion engine air intake, engine cooling system, ventilation system and cab air intake system64US 6,319,304 B1The Sy-Klone Company, LLC · 2001
- Method and apparatus for removal of gas bubbles from blood62US 7,488,448 B2Indian Wells Medical, Inc. · 2009
- Prandtl layer turbine53US 6,174,127 B1Fantom Technologies Inc. · 2001