F02K 5/023
The compressor being of the reciprocating-piston type
Official title: {the compressor being of the reciprocating-piston type (F02K5/026 takes precedence)}
F02K5/023 (The compressor being of the reciprocating-piston type) appears on 5 US grants and 3 published applications in this corpus.
Search patents in F02K- Granted patents
- 5
- Published applications
- 3
- Assignees
- 3
- Inventors
- 11
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and system for vehicle propulsion7 Mar 2023US 11,597,266 B1
- Internal continuous combustion engine system23 Jul 2013US 8,490,380 B2Advanced Propulsion Technologies, Inc.
- Combination engines for aircraft6 Apr 2010US 7,690,188 B2United Technologies Corporation
- Methods and systems for starting propeller-driven devices27 Feb 2007US 7,182,290 B2The Insitu Group, Inc.
- Pulsed piston-compressor jet engine8 Nov 1994US 5,361,581 A
- Internal continuous combustion engine system23 Jul 2009US 2009/0183491 A1Advanced Propulsion Technologies, Inc.
- Combination engines for aircraft4 Sep 2008US 2008/0209911 A1United Technologies Corporation
- Methods and systems for starting propeller-driven devices5 May 2005US 2005/0093507 A1The Insitu Group, Inc.
Most cited
By later US patents
- Combination engines for aircraft13US 7,690,188 B2United Technologies Corporation · 2010
- Pulsed piston-compressor jet engine6US 5,361,581 A1994
- Methods and systems for starting propeller-driven devices3US 7,182,290 B2The Insitu Group, Inc. · 2007
- Internal continuous combustion engine system1US 8,490,380 B2Advanced Propulsion Technologies, Inc. · 2013