F04D 29/601
Specially adapted for elastic fluid pumps
Official title: {specially adapted for elastic fluid pumps}
F04D29/601 (Specially adapted for elastic fluid pumps) appears on 1,225 US grants and 1,450 published applications in this corpus.
Search patents in F04D- Granted patents
- 1,225
- Published applications
- 1,450
- Assignees
- 653
- Inventors
- 2,604
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 15 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 22 | 0 |
| 2001 | 33 | 7 |
| 2002 | 19 | 17 |
| 2003 | 21 | 24 |
| 2004 | 26 | 36 |
| 2005 | 23 | 52 |
| 2006 | 26 | 37 |
| 2007 | 23 | 42 |
| 2008 | 19 | 53 |
| 2009 | 20 | 43 |
| 2010 | 28 | 43 |
| 2011 | 23 | 40 |
| 2012 | 27 | 64 |
| 2013 | 40 | 59 |
| 2014 | 43 | 64 |
| 2015 | 36 | 69 |
| 2016 | 35 | 56 |
| 2017 | 47 | 52 |
| 2018 | 59 | 70 |
| 2019 | 53 | 64 |
| 2020 | 57 | 73 |
| 2021 | 67 | 80 |
| 2022 | 82 | 70 |
| 2023 | 98 | 96 |
| 2024 | 73 | 84 |
| 2025 | 82 | 77 |
| 2026 | 45 | 78 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pump device and method for carrying out a service in a pump device6 Oct 2026US 12,753,767 B2Herborner Pumpentechnik Gmbh & Co KG
- Ceiling fan with a quick connect assembly6 Oct 2026US 12,753,775 B2Hunter Fan Company
- Mounting device for a fan unit6 Oct 2026US 12,753,777 B2Spectronik Pte. Ltd.
- Stator assembly for electric submersible pump29 Sep 2026US 12,747,740 B2National Oilwell Varco, L. P.
- Housing positioning structure for ventilation fan22 Sep 2026US 12,742,556 B2Delta Electronics, Inc.
- 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
- 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.
Most cited
By later US patents
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Portable ceiling fan183US 5,558,501 ADuracraft Corporation · 1996
- Exhaust fan135US 5,879,232 ATomkins Industries, Inc. · 1999
- Portable electric fan having a universally adjustable mounting134US 4,850,804 ATatung Company of America, Inc. · 1989
- Pivotable heater132US 6,321,034 B2The Holmes Group, Inc. · 2001