F04D 29/289
Having provision against erosion or for dust-separation
Official title: {having provision against erosion or for dust-separation}
F04D29/289 (Having provision against erosion or for dust-separation) appears on 38 US grants and 36 published applications in this corpus.
Search patents in F04D- Granted patents
- 38
- Published applications
- 36
- Assignees
- 40
- Inventors
- 101
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 3 |
| 2016 | 0 | 4 |
| 2017 | 4 | 0 |
| 2018 | 2 | 8 |
| 2019 | 5 | 1 |
| 2020 | 2 | 0 |
| 2021 | 3 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Centrifugal fan or compressor composite impeller with abrasion resistance16 Jun 2026US 12,655,851 B2Howden Turbo GmbH
- Motor assembly and a cleaner comprising the same22 Apr 2025US 12,279,739 B2Samsung Electronics Co., Ltd.
- Packed tower26 Nov 2024US 12,151,192 B2Edwards Limited
- Coating for compressor outlet housing5 Apr 2022US 11,293,451 B2Hamilton Sundstrand Corporation
- Impeller with protection elements and centrifugal compressor2 Nov 2021US 11,162,505 B2Nuovo Pignone S.p.A.
- Centrifugal fan or compressor composite impeller with abrasion resistance17 Sep 2026US 2026/0275998 A1Howden Turbo GmbH
- Centrifugal fan or compressor composite impeller with abrasion resistance21 May 2026US 2026/0139684 A1Howden Turbo GmbH
- Suction device for particles during machining processing of track rails9 May 2024US 2024/0150984 A1Schweerbau International GmbH & Co. KG
- Packed tower1 Sep 2022US 2022/0274044 A1Edwards Limited
- Motor assembly and a cleaner comprising the same28 Oct 2021US 2021/0330146 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Pump system for high pressure application176US 9,829,002 B2Tucson Embedded Systems, Inc. · 2017
- Pump system for high pressure application164US 10,465,689 B2Tucson Embedded Systems, Inc. · 2019
- Coal mill exhauster fan42US 6,004,097 ASure Alloy Steel Corporation · 1999
- Leading edge protection for fan blade24US 5,165,859 AHudson Products Corporation · 1992
- Leading edge protection for fan blade19US 5,210,946 AHudson Products Corporation · 1993