F24H 3/047
Multiple-piece frames assembled on their four or more edges
Official title: {Multiple-piece frames assembled on their four or more edges}
F24H3/047 (Multiple-piece frames assembled on their four or more edges) appears on 11 US grants and 11 published applications in this corpus.
Search patents in F24H- Granted patents
- 11
- Published applications
- 11
- Assignees
- 11
- Inventors
- 35
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 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 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electric heating device and method for its production29 Nov 2022US 11,516,885 B2Eberspacher catem GmbH & Co.KG
- Independently-controlled PTC heater and device4 Feb 2020US 10,549,604 B2Hanon Systems
- Electrical heating device and suitable frame22 Mar 2016US 9,291,362 B2Eberspacher catem GmbH & Co.KG
- Integrated charge air heat exchanger15 Nov 2011US 8,057,946 B2GM Global Technology Operations LLC
- Heat rod assembly and pre-heater for vehicles including the same27 May 2008US 7,378,614 B2Woory Industrial Company, Ltd.
- Electric Heating Device and Method for Its Production26 Aug 2021US 2021/0267016 A1Eberspacher catem GmbH & Co.KG
- Independently-controlled ptc heater and device21 Mar 2019US 2019/0084374 A1Hanon Systems
- Electrical heating device and suitable frame27 Jun 2013US 2013/0163969 A1Eberspacher catem GmbH & Co.KG
- Electric heating device and manufacturing method thereof24 Dec 2009US 2009/0314764 A1Calsonic Kansei Corporation
- Integrated charge air heat exchanger24 Sep 2009US 2009/0239106 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Core unit of heat exchanger having electric heater67US 6,178,292 B1Denso Corporation · 2001
- Radiator having PTC electric resistance heating elements and spring-biased fin arrangement41US 5,057,672 AApparte und Heizwiderstande GmbH · 1991
- Heating heat exchanger with electric heat emitter39US 6,055,360 ADenso Corporation · 2000
- Electric heater20US 7,064,301 B2Halla Climate Control Corporation · 2006
- Electric heating device13US 6,720,536 B2Catem GmbH & Co. KG · 2004