F01B 21/04
The machines or engines being not all of reciprocating-piston type
Official title: the machines or engines being not all of reciprocating-piston type, e.g. of reciprocating steam engine with steam turbine
F01B21/04 (The machines or engines being not all of reciprocating-piston type) appears on 17 US grants and 14 published applications in this corpus.
Search patents in F01B- Granted patents
- 17
- Published applications
- 14
- Assignees
- 9
- Inventors
- 28
- Latest grant
- 27 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Diesel-steam power plant27 Feb 2024US 11,913,402 B2
- Split-cycle engine with a variable displacement compressor and a rotary motor5 Jan 2021US 10,883,420 B2
- Internal combustion, dedicated exhaust gas recirculation engine10 Mar 2020US 10,584,665 B1Southwest Research Institute
- Attitude-supporting apparatus of wearable robot and attitude-supporting method using the same17 Dec 2019US 10,507,575 B2Hyundai Motor Company
- Combined electric and hydraulic motor23 Apr 2019US 10,267,149 B2
- Diesel-steam power plant19 Oct 2023US 2023/0332560 A1
- External compression engine21 Apr 2022US 2022/0120184 A1
- Split-cycle engine with a variable displacement compressor and a rotary motor8 Aug 2019US 2019/0242299 A1
- Device for obtaining mechanical work from a non-thermal energy source (variants)21 Jun 2018US 2018/0171801 A1
- Gas turbine system with pulsating gas flow from an internal combustion engine31 May 2018US 2018/0149077 A1
Most cited
By later US patents
- Energy management system for hybrid electric vehicles136US 6,230,496 B1Lockheed Martin Control Systems · 2001
- Vehicle speed control device for use in trolley-assisted dump trucks of single phase alternating current system9US 4,483,148 AKabushiki Kaisha Komatsu Seisakusho · 1984
- Control device for a balancing apparatus8US 4,455,838 AToyama Machine Works, Ltd. · 1984
- Rotary gas pressure engine system5US 4,072,445 A1978
- Combined electric and hydraulic motor3US 10,267,149 B22019