F04D 29/462
Especially adapted for elastic fluid pumps
Official title: {especially adapted for elastic fluid pumps}
F04D29/462 (Especially adapted for elastic fluid pumps) appears on 495 US grants and 484 published applications in this corpus.
Search patents in F04D- Granted patents
- 495
- Published applications
- 484
- Assignees
- 213
- Inventors
- 961
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 5 | 3 |
| 2004 | 2 | 7 |
| 2005 | 3 | 6 |
| 2006 | 5 | 6 |
| 2007 | 3 | 9 |
| 2008 | 3 | 7 |
| 2009 | 6 | 10 |
| 2010 | 4 | 14 |
| 2011 | 6 | 9 |
| 2012 | 13 | 18 |
| 2013 | 7 | 9 |
| 2014 | 12 | 21 |
| 2015 | 12 | 25 |
| 2016 | 6 | 34 |
| 2017 | 20 | 36 |
| 2018 | 27 | 32 |
| 2019 | 37 | 38 |
| 2020 | 41 | 36 |
| 2021 | 26 | 37 |
| 2022 | 37 | 35 |
| 2023 | 38 | 32 |
| 2024 | 35 | 21 |
| 2025 | 24 | 19 |
| 2026 | 10 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blowing device and blowing device operating method29 Sep 2026US 12,747,738 B2Samsung Electronics Co., Ltd.
- Household appliance having an improved fan and motor assembly and fan and motor assembly for same1 Sep 2026US 12,723,596 B2Omachron Intellectual Property Inc.
- Variable geometry diffuser having extended travel and control method thereof25 Aug 2026US 12,716,427 B2Tyco Fire & Security GmbH
- Nozzle for a fan assembly21 Apr 2026US 12,607,198 B2Dyson Technology Limited
- Fan drip-proof structure24 Mar 2026US 12,584,497 B2TMEIC Corporation
- Household appliance having an improved fan and motor assembly and fan and motor assembly for same8 Oct 2026US 2026/0309165 A1Omachron Intellectual Property Inc.
- Systems and methods for controlling capacity of a compressor8 Oct 2026US 2026/0309355 A1Tyco Fire & Security GmbH
- Variable geometry regulation system of a compressor for a heating, ventilation, air conditioning, and/or refrigeration system10 Sep 2026US 2026/0266512 A1Tyco Fire & Security GmbH
- Aircraft and a power unit thereof30 Jul 2026US 2026/0218725 A1
- Flow path adjustment mechanism and fluid delivery device30 Jul 2026US 2026/0218729 A1Nidec Corporation
Most cited
By later US patents
- Centrifugal compressor67US 4,378,194 ACarrier Corporation · 1983
- Blower unit and air conditioning unit including the same and method of controlling the same54US 7,029,391 B2Denso Corporation · 2006
- Devices and methods of operation thereof for providing stable flow for centrifugal compressors50US 7,326,027 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2008
- Turbomachinery with variable-angle fluid guiding vanes47US 5,947,680 AEbara Corporation · 1999
- Diffuser throttle ring control44US 4,460,310 ACarrier Corporation · 1984