F02G 2253/06
Bellow seals
F02G2253/06 (Bellow seals) appears on 16 US grants and 13 published applications in this corpus.
Search patents in F02G- Granted patents
- 16
- Published applications
- 13
- Assignees
- 11
- Inventors
- 48
- Latest grant
- 3 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 5 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus for performing energy transformation between thermal energy and acoustic energy3 Nov 2020US 10,823,110 B2Etalim Inc.
- Annular venturi burner for stirling engine11 Sep 2018US 10,072,607 B2New Power Concepts LLC
- Stirling cycle machine28 Nov 2017US 9,828,940 B2New Power Concepts LLC
- Floating rod seal for a stirling cycle machine21 Nov 2017US 9,822,730 B2New Power Concepts LLC
- Stirling cycle machine21 Nov 2017US 9,823,024 B2New Power Concepts LLC
- Stirling cooler and sealing structure thereof26 Nov 2020US 2020/0370793 A1Tamkang University
- Apparatus for performing energy transformation between thermal energy and acoustic energy12 Dec 2019US 2019/0376469 A1Etalim Inc.
- Stirling cycle machine27 Sep 2018US 2018/0274482 A1New Power Concepts LLC
- Linear Cross-Head Bearing for Stirling Engine2 Jul 2015US 2015/0184614 A1New Power Concepts LLC
- Annular Venturi Burner for Stirling Engine4 Jun 2015US 2015/0152809 A1New Power Concepts LLC
Most cited
By later US patents
- Hot gas engine comprising sealing means around piston rods20US 4,257,230 A1981
- Reciprocation apparatus with sealing mechanism15US 4,769,992 AMatsushita Electric Industrial Co., Ltd. · 1988
- Stirling engine14US 4,620,418 AMitsubishi Denki Kabushiki Kaisha · 1986
- Driving apparatus for stirling cycle engine11US 4,712,378 AAisin Seiki Kabushiki Kaisha · 1987
- Stirling device7US 6,279,325 B1Sanyo Electric Co., Ltd. · 2001