F04D 29/701
Especially adapted for elastic fluid pumps
Official title: {especially adapted for elastic fluid pumps}
F04D29/701 (Especially adapted for elastic fluid pumps) appears on 1,178 US grants and 1,434 published applications in this corpus.
Search patents in F04D- Granted patents
- 1,178
- Published applications
- 1,434
- Assignees
- 639
- Inventors
- 2,943
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 19 | 0 |
| 2001 | 21 | 4 |
| 2002 | 19 | 11 |
| 2003 | 20 | 20 |
| 2004 | 19 | 23 |
| 2005 | 4 | 15 |
| 2006 | 17 | 27 |
| 2007 | 10 | 28 |
| 2008 | 12 | 47 |
| 2009 | 14 | 40 |
| 2010 | 17 | 37 |
| 2011 | 30 | 35 |
| 2012 | 35 | 35 |
| 2013 | 21 | 55 |
| 2014 | 31 | 57 |
| 2015 | 39 | 59 |
| 2016 | 33 | 70 |
| 2017 | 38 | 83 |
| 2018 | 55 | 96 |
| 2019 | 85 | 88 |
| 2020 | 93 | 81 |
| 2021 | 58 | 90 |
| 2022 | 83 | 106 |
| 2023 | 76 | 90 |
| 2024 | 105 | 85 |
| 2025 | 69 | 92 |
| 2026 | 48 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Handheld blower15 Sep 2026US 12,733,600 B2Milwaukee Electric Tool Corporation
- Ventilation system for aircraft wheel and wheel assembly including such a system15 Sep 2026US 12,736,100 B2Safran Ventilation Systems
- Assembly system for a portable fan1 Sep 2026US 12,723,599 B2Lasko Operation Holdings, LLC
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Fan assembly24 Sep 2026US 2026/0286976 A1Milwaukee Electric Tool Corporation
- Fan and fan module24 Sep 2026US 2026/0286982 A1Lenovo Global Technology (Taiwan) Limited.
- Fan module17 Sep 2026US 2026/0276003 A1Shenzhen Jisu Technology Co., Ltd
- Detachable tower fan17 Sep 2026US 2026/0276004 A1
Most cited
By later US patents
- Forced ventilation filtration device185US 5,022,900 AEagle, Military Gear Overseas Ltd. · 1991
- Gas turbine engine variable bleed pivotal flow splitter132US 5,279,109 AGeneral Electric Company · 1994
- Portable, evaporative cooling unit having a self-contained water supply110US 6,789,787 B22004
- Isothermal compression79US 4,478,553 AMechanical Technology Incorporated · 1984
- Blower79US 5,266,004 AHitachi, Ltd. · 1993