F04D 29/063
Specially adapted for elastic fluid pumps
Official title: specially adapted for elastic fluid pumps
F04D29/063 (Specially adapted for elastic fluid pumps) appears on 412 US grants and 446 published applications in this corpus.
Search patents in F04D- Granted patents
- 412
- Published applications
- 446
- Assignees
- 203
- Inventors
- 991
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 7 |
| 2003 | 8 | 9 |
| 2004 | 6 | 8 |
| 2005 | 8 | 11 |
| 2006 | 2 | 9 |
| 2007 | 4 | 10 |
| 2008 | 6 | 12 |
| 2009 | 2 | 9 |
| 2010 | 3 | 11 |
| 2011 | 4 | 15 |
| 2012 | 10 | 6 |
| 2013 | 3 | 17 |
| 2014 | 8 | 17 |
| 2015 | 10 | 29 |
| 2016 | 17 | 36 |
| 2017 | 19 | 29 |
| 2018 | 26 | 37 |
| 2019 | 31 | 33 |
| 2020 | 44 | 29 |
| 2021 | 23 | 32 |
| 2022 | 32 | 20 |
| 2023 | 20 | 15 |
| 2024 | 27 | 15 |
| 2025 | 16 | 14 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compressor with integrated speed multiplier15 Sep 2026US 12,736,057 B2TURBODEN S. p. A.
- Fan shaft structure7 Jul 2026US 12,674,465 B2Global WIN Technology Co., Ltd.
- System ADN method for monitoring the oil level of an oil-lubricated compressor16 Jun 2026US 12,655,833 B2Knorr-Bremse Systeme FüR Schienenfahrzeuge GmbH
- Pump, a bearing assembly for a pump and a method of assembling the bearing assembly26 May 2026US 12,638,053 B2Edwards Limited
- Fan and electronic device employing fan19 May 2026US 12,631,191 B2Champ Tech Optical (Foshan) Corporation
- Oil tank for a turbomachine with a lower compartment having an oil outlet duct that is negative-g-compatible20 Aug 2026US 2026/0243173 A1Safran Aero Boosters SA
- Oil distribution system for multiple-compressor systems20 Aug 2026US 2026/0243242 A1
- Blower13 Aug 2026US 2026/0235135 A1Panasonic Intellectual Property Management Co., Ltd.
- Uninterruptible power supply for hvac&r system13 Aug 2026US 2026/0238036 A1Tyco Fire & Security GmbH
- Rotary machine system and negative pressure unit13 Aug 2026US 2026/0238069 A1Mitsubishi Heavy Industries Compressor Corporation
Most cited
By later US patents
- Liquid chiller with enhanced motor cooling and lubrication60US 6,065,297 AAmerican Standard Inc. · 2000
- Low capacity centrifugal refrigeration compressor57US 5,350,039 ANartron Corporation · 1994
- Deoiler for a lubrication system55US 7,377,110 B2United Technologies Corporation · 2008
- Multi-stage centrifugal compressor driven by integral high speed motor50US 6,579,078 B2Elliott Turbomachinery Co., Inc. · 2003
- Oil-free liquid chiller44US 6,176,092 B1American Standard Inc. · 2001