F02G 2270/42
Displacer drives
F02G2270/42 (Displacer drives) appears on 27 US grants and 18 published applications in this corpus.
Search patents in F02G- Granted patents
- 27
- Published applications
- 18
- Assignees
- 15
- Inventors
- 49
- Latest grant
- 31 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hot air engine system31 Aug 2021US 11,105,296 B1
- Cooling device intended to equip an infrared vision device with a deformable element27 Apr 2021US 10,989,446 B2Safran Electronics & Defense
- Stirling cycle and linear-to-rotary mechanism systems, devices, and methods23 Mar 2021US 10,954,886 B2Cool Energy, Inc.
- Stirling engine and methods of operations and use5 Mar 2019US 10,221,808 B2
- Stirling cycle and linear-to-rotary mechanism systems, devices, and methods16 Oct 2018US 10,100,778 B2Cool Energy, Inc.
- Cooling device intended to equip an infrared vision device with a deformable element30 Apr 2020US 2020/0132342 A1Safran Electronics & Defense
- Motor for stirling cooler having quadrature magnets4 Jul 2019US 2019/0207503 A1Dexter Magnetic Technologies, Inc.
- Stirling cycle and linear-to-rotary mechanism systems, devices, and methods16 May 2019US 2019/0145347 A1Cool Energy, Inc.
- A Spring for an Electromagnetic Actuator13 Sep 2018US 2018/0259023 A1ThermoLift, Inc.
- Stirling cycle and linear-to-rotary mechanism systems, devices, and methods26 Jan 2017US 2017/0022932 A1Cool Energy, Inc.
Most cited
By later US patents
- Stirling engine thermal system improvements47US 6,694,731 B2DEKA Products Limited Partnership · 2004
- Cantilevered crankshaft stirling cycle machine36US 6,062,023 ANew Power Concepts LLC · 2000
- Stirling engine thermal system improvements36US 6,381,958 B1New Power Concepts LLC · 2002
- Power plants26US 4,020,635 AAutomotive Products plc · 1977
- System and method for control of fuel and air delivery in a burner of a thermal-cycle engine26US 6,247,310 B1New Power Concepts LLC · 2001