F02G 2242/42
Having a single piston regenerative displacer attached to the piston
Official title: having a single piston regenerative displacer attached to the piston, e.g. "Gifford-McMahon" engines
F02G2242/42 (Having a single piston regenerative displacer attached to the piston) appears on 8 US grants and 1 published applications in this corpus.
Search patents in F02G- Granted patents
- 8
- Published applications
- 1
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 12 Mar 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Stirling refrigerator12 Mar 2019US 10,228,164 B2Sumitomo Heavy Industries, Ltd.
- Heat exchanger and method of producing the same17 Oct 2000US 6,131,644 AAdvanced Mobile Telecommunication Technology Inc.
- Erbium-based magnetic refrigerant (regenerator) for passive cryocooler23 Jul 1996US 5,537,826 AIowa State University Research Foundation, Inc.
- Dynamically balanced Gifford-McMahon refrigerator cold head14 Apr 1992US 5,103,647 AGeneral Electric Company
- Refrigerator23 Apr 1991US 5,009,072 AMitsubishi Denki Kabushiki Kaisha
Most cited
By later US patents
- Sealing capped nut and bolt therefor87US 4,490,083 ARussell, Burdsall & Ward Corporation · 1984
- Heat exchanger and method of producing the same22US 6,131,644 AAdvanced Mobile Telecommunication Technology Inc. · 2000
- Thermally powered engine20US 4,617,801 A1986
- Dynamically balanced Gifford-McMahon refrigerator cold head12US 5,103,647 AGeneral Electric Company · 1992
- Refrigerator8US 5,009,072 AMitsubishi Denki Kabushiki Kaisha · 1991