B04C 2009/005
Combinations with other devices: with external rotors
Official title: {with external rotors, e.g. impeller, ventilator, fan, blower, pump}
B04C2009/005 (Combinations with other devices: with external rotors) appears on 132 US grants and 152 published applications in this corpus.
Search patents in B04C- Granted patents
- 132
- Published applications
- 152
- Assignees
- 95
- Inventors
- 237
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 4 | 5 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 3 |
| 2015 | 2 | 1 |
| 2016 | 1 | 7 |
| 2017 | 4 | 6 |
| 2018 | 5 | 5 |
| 2019 | 6 | 11 |
| 2020 | 11 | 15 |
| 2021 | 8 | 8 |
| 2022 | 9 | 14 |
| 2023 | 12 | 20 |
| 2024 | 13 | 16 |
| 2025 | 7 | 7 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low profile bucket lid and dust cyclone25 Aug 2026US 12,714,274 B2Oneida Air Systems, Inc.
- Dewatering method and system18 Aug 2026US 12,709,562 B2Weir Minerals Australia Ltd.
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Surface cleaning apparatus14 Jul 2026US 12,678,001 B2Omachron Intellectual Property Inc.
- Compact disc stack cyclone separator19 May 2026US 12,629,701 B2
- Cleaning Device and Dust Collecting Method1 Oct 2026US 2026/0294188 A1Shenzhen Chenbei Technology Co., Ltd.
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Cleaner13 Aug 2026US 2026/0232159 A1LG Electronics Inc.
- Multi-use vacuum cleaner6 Aug 2026US 2026/0224077 A1Senur Elektrik Motorlari San. Ve Tic. A.S.
- Arrangement for the self-sufficient regulation of liquid levels in a plastics recycling process11 Jun 2026US 2026/0158499 A1GRANNEX GmbH & Co. KG
Most cited
By later US patents
- 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
- System for cleaning air and method for using same57US 6,589,323 B12003
- Negative pressure dust collector with a dust receiving bag smoothly inflatable55US 7,695,538 B2San Ford Machinery Co., Ltd. · 2010
- Centrifugal dirt separation configurations for household-type and shop-type vacuum cleaners52US 7,996,957 B22011
- Separator device provided with a cyclone chamber with a centrifugal unit, and vacuum cleaner provided with such a separator device51US 6,090,174 AU. S. Philips Corporation · 2000