F04D 29/403
Especially adapted for elastic fluid pumps
Official title: {especially adapted for elastic fluid pumps}
F04D29/403 (Especially adapted for elastic fluid pumps) appears on 413 US grants and 500 published applications in this corpus.
Search patents in F04D- Granted patents
- 413
- Published applications
- 500
- Assignees
- 253
- Inventors
- 1,092
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 0 | 7 |
| 2011 | 0 | 3 |
| 2012 | 3 | 5 |
| 2013 | 1 | 16 |
| 2014 | 11 | 34 |
| 2015 | 12 | 48 |
| 2016 | 13 | 18 |
| 2017 | 33 | 29 |
| 2018 | 29 | 34 |
| 2019 | 32 | 38 |
| 2020 | 40 | 48 |
| 2021 | 29 | 47 |
| 2022 | 49 | 35 |
| 2023 | 47 | 40 |
| 2024 | 43 | 34 |
| 2025 | 33 | 31 |
| 2026 | 20 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Diversified and removable pump systems and methods for inflating and deflating inflatable objects24 Sep 2026US 2026/0286977 A1Intex Marketing Ltd.
- Diversified and removable pump systems and methods for inflating and deflating inflatable objects24 Sep 2026US 2026/0286978 A1Intex Marketing Ltd.
- Diversified and removable pump systems and methods for inflating and deflating inflatable objects24 Sep 2026US 2026/0286979 A1Intex Marketing Ltd.
- Diversified and removable pump systems and methods for inflating and deflating inflatable objects24 Sep 2026US 2026/0286980 A1Intex Marketing Ltd.
- Fan and fan module24 Sep 2026US 2026/0286982 A1Lenovo Global Technology (Taiwan) Limited.
Most cited
By later US patents
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Low noise centrifugal blower128US 4,419,049 ASgm Co., Ltd. · 1983
- Housing assembly for a fluid-working device such as a rotary pump75US 6,164,910 AITT Manufacturing Enterprises, Inc. · 2000
- Fan with adjustable mount52US 6,682,308 B1Kaz, Incorporated · 2004
- Blower with clam shell housing27US 4,865,517 AHeil-Quaker Corporation · 1989