F04D 29/051
Axial thrust balancing
F04D29/051 (Axial thrust balancing) appears on 495 US grants and 562 published applications in this corpus.
Search patents in F04D- Granted patents
- 495
- Published applications
- 562
- Assignees
- 249
- Inventors
- 1,159
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 2 |
| 2002 | 11 | 8 |
| 2003 | 8 | 9 |
| 2004 | 7 | 7 |
| 2005 | 4 | 12 |
| 2006 | 6 | 7 |
| 2007 | 4 | 11 |
| 2008 | 6 | 11 |
| 2009 | 2 | 15 |
| 2010 | 7 | 11 |
| 2011 | 9 | 17 |
| 2012 | 8 | 24 |
| 2013 | 15 | 23 |
| 2014 | 14 | 29 |
| 2015 | 13 | 28 |
| 2016 | 24 | 28 |
| 2017 | 16 | 31 |
| 2018 | 27 | 39 |
| 2019 | 31 | 46 |
| 2020 | 43 | 34 |
| 2021 | 38 | 38 |
| 2022 | 24 | 26 |
| 2023 | 33 | 38 |
| 2024 | 38 | 29 |
| 2025 | 24 | 32 |
| 2026 | 17 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Turbo compressor8 Sep 2026US 12,729,691 B2LG Electronics Inc.
- Static gas thrust bearing18 Aug 2026US 12,710,050 B2Garrett Transportation I Inc.
- Reverse direction bearing cooling flow path for a cabin air compressor18 Aug 2026US 12,710,057 B2Hamilton Sundstrand Corporation
- Centrifugal compressor with energy recovery from a recycle line7 Jul 2026US 12,674,460 B2Nuovo Pignone Tecnologie Srl
- System and method for adjusting position of a compressor16 Jun 2026US 12,656,029 B2Tyco Fire & Security GmbH
- Centrifugal compressor13 Aug 2026US 2026/0235134 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Turbocharger for road vehicles6 Aug 2026US 2026/0226912 A1Ferrari S.P. A.
- Bearing device, motor and compressor18 Jun 2026US 2026/0169029 A1Carrier Corporation
- Thrust bearing with tilting pad14 May 2026US 2026/0132704 A1Halliburton Energy Services.Inc.
- Fan and electronic device employing fan30 Apr 2026US 2026/0117785 A1Champ Tech Optical (Foshan) Corporation
Most cited
By later US patents
- Thermal control system for gas-bearing turbocompressors72US 6,231,302 B12001
- Thrust controlled rotary apparatus66US 4,170,435 A1979
- Fluid lubricated bearing assembly62US 3,960,468 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Rotary fluid handling machine having reduced fluid leakage62US 4,472,107 AUnion Carbide Corporation · 1984
- Turbine engine with cooled P3 air to impeller rear cavity59US 6,035,627 APratt & Whitney Canada Corp. · 2000