F27B 9/025
Having two or more superimposed tracks
Official title: {having two or more superimposed tracks (F27B9/024 takes precedence)}
F27B9/025 (Having two or more superimposed tracks) appears on 23 US grants and 12 published applications in this corpus.
Search patents in F27B- Granted patents
- 23
- Published applications
- 12
- Assignees
- 19
- Inventors
- 45
- Latest grant
- 11 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Heating apparatus for vertically and helically conveying workpiece11 May 2021US 11,002,484 B2Xi 'An Aojie Electric Heating Equipment Engineering Co., Ltd
- Aluminum warm forming oven and production line3 Nov 2020US 10,823,505 B2Magna International Inc.
- High pressure heat treatment system4 Mar 2014US 8,663,547 B2Consolidated Engineering Company, Inc.
- Heat treatment furnace and heat treatment facility comprising it19 Jul 2011US 7,980,851 B2Nihon Kohnetsu Industrial Co., Ltd.
- Multi-deck furnace27 Apr 2010US 7,704,447 B2Aisin Takaoka Co., Ltd.
- A kiln for firing ceramic slabs23 May 2024US 2024/0167766 A1System Ceramics S.P.A.
- Heating apparatus for vertically and helically conveying workpiece6 Dec 2018US 2018/0347906 A1Xi 'An Aojie Electric Heating Equipment Engineering Co., Ltd
- Aluminum Warm Forming Oven And Production Line16 Feb 2017US 2017/0045297 A1Magna International Inc.
- Layer furnace system and method for operating the layer furnace system17 Oct 2013US 2013/0273486 A1Benteler Automobiltechnik GmbH
- Multi-deck Chamber Furnace22 Aug 2013US 2013/0216969 A1
Most cited
By later US patents
- Process and apparatus for producing cellulated vitreous refractory material in prescribed shapes and products therefrom23US 4,274,825 A1981
- Process and apparatus for producing cellulated vitreous refractory material in prescribed shapes and products therefrom13US 4,190,416 A1980
- Oven for firing ceramic materials, having high thermal efficiency8US 4,154,576 AS.I.T.I. Soc. Imp. Termoelettrici Indistriali S.A.S. · 1979
- Roller kiln provided with a drying tunnel, particularly for ceramic or refractory materials7US 4,285,669 A1981
- Process for heating a semifinished product produced by continuous casting or deformation6US 5,020,208 ASMS Schloemann-Siemag Aktiengesellschaft · 1991