F04D 29/5833
Flow schemes and regulation thereto
Official title: {flow schemes and regulation thereto}
F04D29/5833 (Flow schemes and regulation thereto) appears on 72 US grants and 74 published applications in this corpus.
Search patents in F04D- Granted patents
- 72
- Published applications
- 74
- Assignees
- 56
- Inventors
- 157
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 0 | 3 |
| 2015 | 2 | 6 |
| 2016 | 2 | 9 |
| 2017 | 7 | 6 |
| 2018 | 5 | 5 |
| 2019 | 9 | 10 |
| 2020 | 9 | 4 |
| 2021 | 8 | 5 |
| 2022 | 5 | 4 |
| 2023 | 1 | 4 |
| 2024 | 3 | 4 |
| 2025 | 6 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Throttle valve for coolant circulation system18 Aug 2026US 12,710,056 B2Ingersoll-Rand Industrial U.S., Inc.
- Fan exit guide vane thermal management system for conventional gas turbine engines24 Feb 2026US 12,560,126 B2Rtx Corporation
- Heat recovery unit30 Dec 2025US 12,510,264 B2Zehnder Group International AG
- Process and apparatus for compressing hydrogen gas in a hybrid compression system14 Oct 2025US 12,442,377 B2Air Products and Chemicals, Inc.
- Shift pump flow scheme7 Oct 2025US 12,439,569 B2Cooper-Standard Automotive Inc.
- Carbon dioxide compression system and method with multiphase compression and supercritical pump11 Jun 2026US 2026/0160488 A1Ifp Energies Nouvelles
- Fan exit guide vane thermal management system for conventional gas turbine engines18 Dec 2025US 2025/0382921 A1Rtx Corporation
- Cooling air delivery system and methods thereof21 Aug 2025US 2025/0264057 A1General Electric Company
- Systems and methods for improving the performance of a gas-driven generator using a phase change refrigerant24 Jul 2025US 2025/0237219 A1
- Air-cooled pressurizing device with energy recovery for compressing or pressurizing a fluid and provided with an improved cooling13 Feb 2025US 2025/0052517 A1Atlas Copco Airpower, Naamloze Vennotschap
Most cited
By later US patents
- Method of intermediate cooling of compressed gases54US 4,362,462 AM.A.N. Uternehmensbereich G.H.H. Sterkrade · 1982
- Cooling system for engine-driven multi-stage centrifugal compressor37US 5,386,873 AIngersoll-Rand Company · 1995
- Fluid cooled supercharger32US 7,469,689 B12008
- Closed cycle gas turbine system16US 4,000,617 AGeneral Atomic Company · 1977
- Plant and process for recovering waste heat16US 4,184,325 ASulzer Brothers Limited · 1980