F01D 3/04
Axial thrust being compensated by thrust-balancing dummy piston or the like
Official title: axial thrust being compensated by thrust-balancing dummy piston or the like
F01D3/04 (Axial thrust being compensated by thrust-balancing dummy piston or the like) appears on 123 US grants and 94 published applications in this corpus.
Search patents in F01D- Granted patents
- 123
- Published applications
- 94
- Assignees
- 69
- Inventors
- 310
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 4 | 3 |
| 2008 | 1 | 5 |
| 2009 | 1 | 5 |
| 2010 | 2 | 7 |
| 2011 | 2 | 6 |
| 2012 | 11 | 3 |
| 2013 | 6 | 3 |
| 2014 | 3 | 6 |
| 2015 | 1 | 3 |
| 2016 | 7 | 4 |
| 2017 | 1 | 5 |
| 2018 | 2 | 5 |
| 2019 | 5 | 9 |
| 2020 | 13 | 3 |
| 2021 | 3 | 5 |
| 2022 | 6 | 2 |
| 2023 | 6 | 2 |
| 2024 | 4 | 3 |
| 2025 | 4 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbine engine including a water system16 Sep 2025US 12,416,259 B1General Electric Company
- Control device, control method, and system22 Jul 2025US 12,366,174 B2Mitsubishi Heavy Industries, Ltd.
- Gas turbine engines and methods for reducing spool thrust in a turbine section thereof1 Jul 2025US 12,345,173 B2Honeywell International Inc.
- Thrust bearings to support axial thrust in pumps28 Jan 2025US 12,209,507 B2General Electric Company
- Balancing and sealing piston, and associated cooling circuit and method26 Nov 2024US 12,152,604 B2Thermodyn
- Thrust bearings to support axial thrust in pumps2 Jul 2026US 2026/0185463 A1General Electric Company
- Online rotor thrust adjustment system18 Dec 2025US 2025/0382895 A1Nuovo Pignone Tecnologie Srl
- Turbine engine including a water system18 Sep 2025US 2025/0290446 A1General Electric Company
- Gas turbine engines and methods for reducing spool thrust in a turbine section thereof29 May 2025US 2025/0172069 A1Honeywell International Inc.
- Control device, control method, and system19 Dec 2024US 2024/0418100 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Thrust controlled rotary apparatus66US 4,170,435 A1979
- Rotary fluid handling machine having reduced fluid leakage62US 4,472,107 AUnion Carbide Corporation · 1984
- Active thrust management of a turbopump within a supercritical working fluid circuit in a heat engine system57US 10,570,777 B2Echogen Power Systems, LLC · 2020
- Multistage centrifugal compressor without seals and with axial thrust balance49US 5,358,378 A1994
- Thrust load compensating system for a compliant foil hydrodynamic fluid film thrust bearing44US 5,791,868 ACapstone Turbine Corporation · 1998