F04D 17/16
For displacing without appreciable compression
Official title: for displacing without appreciable compression
F04D17/16 (For displacing without appreciable compression) appears on 1,303 US grants and 1,541 published applications in this corpus.
Search patents in F04D- Granted patents
- 1,303
- Published applications
- 1,541
- Assignees
- 612
- Inventors
- 2,817
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 16 | 0 |
| 1999 | 7 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 4 |
| 2002 | 17 | 16 |
| 2003 | 16 | 17 |
| 2004 | 14 | 14 |
| 2005 | 9 | 24 |
| 2006 | 16 | 24 |
| 2007 | 9 | 19 |
| 2008 | 9 | 14 |
| 2009 | 7 | 23 |
| 2010 | 6 | 26 |
| 2011 | 16 | 21 |
| 2012 | 25 | 39 |
| 2013 | 9 | 52 |
| 2014 | 26 | 75 |
| 2015 | 40 | 94 |
| 2016 | 54 | 95 |
| 2017 | 66 | 107 |
| 2018 | 58 | 107 |
| 2019 | 103 | 146 |
| 2020 | 110 | 97 |
| 2021 | 98 | 96 |
| 2022 | 106 | 110 |
| 2023 | 99 | 99 |
| 2024 | 98 | 81 |
| 2025 | 91 | 67 |
| 2026 | 40 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mounting device for a fan unit6 Oct 2026US 12,753,777 B2Spectronik Pte. Ltd.
- Fan assembly, heat dissipation assembly and electronic device6 Oct 2026US 12,757,350 B2Giga-Byte Technology Co., Ltd.
- Gas separation device system using waveform disks15 Sep 2026US 12,734,477 B2
- Fan assembly for displaying an image8 Sep 2026US 12,731,515 B2Magic Leap, Inc.
- Multi-pressure integrated air pump18 Aug 2026US 12,710,032 B2Intex Marketing Ltd.
- Holder for a fan, fan unit comprising a holder and a fan, and use8 Oct 2026US 2026/0309166 A1ebm-papst Mulfingen GmbH & Co. KGaA & Co. KG
- Noise attenuation for nuclear imaging system27 Aug 2026US 2026/0251158 A1Siemens Medical Solutions USA, Inc.
- Impeller and centrifugal fan20 Aug 2026US 2026/0243270 A1MINEBEA MITSUMI Inc.
- Stacked fan structure, combined blade-integrated fan and automotive seat ventilation system13 Aug 2026US 2026/0235132 A1Aew Technology Group Co., Ltd.
- Blower6 Aug 2026US 2026/0226913 A1Carrier Japan Corporation
Most cited
By later US patents
- Compact low noise efficient blower for CPAP devices351US 7,866,944 B2ResMed Motor Technologies Inc. · 2011
- Medical ventilator268US 6,543,449 B1Respironics, Inc. · 2003
- Thermoelectric heat exchanger227US 6,119,463 AAmerigon Incorporated · 2000
- Thermoelectric heat exchanger196US 6,223,539 B1Amerigon Incorporated · 2001
- Viscous drag impeller components incorporated into pumps, turbines and transmissions164US 6,375,412 B12002