F04D 17/06
Helico-centrifugal pumps
F04D17/06 (Helico-centrifugal pumps) appears on 131 US grants and 210 published applications in this corpus.
Search patents in F04D- Granted patents
- 131
- Published applications
- 210
- Assignees
- 91
- Inventors
- 389
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 5 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 3 | 5 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 1 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 4 |
| 2014 | 1 | 11 |
| 2015 | 1 | 1 |
| 2016 | 2 | 9 |
| 2017 | 3 | 5 |
| 2018 | 6 | 6 |
| 2019 | 4 | 17 |
| 2020 | 11 | 13 |
| 2021 | 7 | 19 |
| 2022 | 11 | 23 |
| 2023 | 19 | 23 |
| 2024 | 20 | 23 |
| 2025 | 15 | 13 |
| 2026 | 9 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combined fan blade structure and air outlet device16 Jun 2026US 12,655,853 B2Xuxin Technology (Shenzhen) Group Co., Ltd
- Blower9 Jun 2026US 12,650,129 B2LG Electronics Inc.
- Diagonal fan19 May 2026US 12,631,198 B2Delta Electronics, Inc.
- Portable fan14 Apr 2026US 12,601,353 B1Shenzhen Jisu Technology Co., Ltd
- Efficient fan assembly7 Apr 2026US 12,595,806 B2Greenheck Fan Corporation
- Noise attenuation for nuclear imaging system27 Aug 2026US 2026/0251158 A1Siemens Medical Solutions USA, Inc.
- Neck fan20 Aug 2026US 2026/0243273 A1Shenzhen Jisu Technology Co., Ltd
- Blower with a gas pressurization system30 Jul 2026US 2026/0218713 A1Wallenberg Union LLC
- Fan and air treatment device30 Jul 2026US 2026/0218728 A1Shenzhen Chenbei Technology Co., Ltd.
- Fan motor23 Jul 2026US 2026/0210365 A1LG Electronics Inc.
Most cited
By later US patents
- Centrifugal turbine for breathing-aid devices162US 6,960,854 B2Mallinckrodt Developpement France · 2005
- In-line centrifugal fan56US 7,048,499 B2Greenheck Fan Corporation · 2006
- Mixed flow and centrifugal compressor for gas turbine engine41US 6,488,469 B1Pratt & Whitney Canada Corp. · 2002
- Air conditioner40US 8,256,241 B2Mitsubishi Electric Corporation · 2012
- Mixed flow compressor37US 5,228,832 AHitachi, Ltd. · 1993