F28D 17/023
Sealing means
Official title: {Sealing means}
F28D17/023 (Sealing means) appears on 16 US grants and 4 published applications in this corpus.
Search patents in F28D- Granted patents
- 16
- Published applications
- 4
- Assignees
- 11
- Inventors
- 24
- Latest grant
- 5 Oct 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 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 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Regenerator material and regenerative refrigerator5 Oct 2021US 11,137,216 B2Sumitomo Heavy Industries, Ltd.
- Rotor for a rotary pre-heater for high temperature operation5 Oct 2021US 11,137,217 B2Arvos Ljungstrom LLC
- Heat storage reactor16 Mar 2021US 10,948,242 B2National University Corporation Nagoya University
- Rotary pre-heater for high temperature operation21 May 2019US 10,295,272 B2Arvos Ljungstrom LLC
- Seal structure between a rotatable member and a stationary member28 Sep 1999US 5,957,462 AToyota Jidosha Kabushiki Kaisha
- Heat storage reactor31 Oct 2019US 2019/0331435 A1National University Corporation Nagoya University
- Rotor for a rotary pre-heater for high temperature operation23 May 2019US 2019/0154355 A1Arvos Ljungstrom LLC
- Rotary pre-heater for high temperature operation5 Oct 2017US 2017/0284745 A1Arvos GmbH
- Regenerator material and regenerative refrigerator25 Dec 2014US 2014/0374054 A1Sumitomo Heavy Industries, Ltd.
Most cited
By later US patents
- Sealing element for a regenerative heat exchanger20US 5,950,707 A1999
- Regenerative air preheater for separate preheating of two or more air-or gas streams11US 4,114,680 AApparatebau Rothemuhle Brandt & Kritzler · 1978
- Seal structure between a rotatable member and a stationary member11US 5,957,462 AToyota Jidosha Kabushiki Kaisha · 1999
- Air heater with automatic sealing9US 5,063,993 AThe Babcock & Wilcox Company · 1991
- Regenerative air preheaters and seal frame suspension control system therefor8US 4,058,158 ADavidson & Company Limited · 1977