F27B 9/2407
The conveyor being constituted by rollers
Official title: {the conveyor being constituted by rollers (roller hearth furnace)}
F27B9/2407 (The conveyor being constituted by rollers) appears on 209 US grants and 142 published applications in this corpus.
Search patents in F27B- Granted patents
- 209
- Published applications
- 142
- Assignees
- 171
- Inventors
- 492
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 2 |
| 2003 | 4 | 4 |
| 2004 | 3 | 6 |
| 2005 | 2 | 4 |
| 2006 | 5 | 2 |
| 2007 | 1 | 6 |
| 2008 | 6 | 2 |
| 2009 | 1 | 6 |
| 2010 | 3 | 11 |
| 2011 | 3 | 6 |
| 2012 | 6 | 7 |
| 2013 | 4 | 2 |
| 2014 | 5 | 4 |
| 2015 | 1 | 4 |
| 2016 | 2 | 10 |
| 2017 | 6 | 8 |
| 2018 | 7 | 5 |
| 2019 | 6 | 7 |
| 2020 | 4 | 3 |
| 2021 | 3 | 8 |
| 2022 | 4 | 4 |
| 2023 | 5 | 8 |
| 2024 | 8 | 12 |
| 2025 | 1 | 9 |
| 2026 | 7 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Object orientation adjusting device6 Oct 2026US 12,753,020 B2NGK Insulators, Ltd.
- Method and kiln for the firing of substantially flat base ceramic articles8 Sep 2026US 12,729,855 B2Sacmi Forni & Filter S.P.A.
- Firing furnace8 Sep 2026US 12,729,914 B2Samsung Electro-Mechanics Co., Ltd.
- Heat treatment apparatus for manufacturing active material for secondary battery1 Sep 2026US 12,723,812 B2Hanwha Momentum Corporation
- Device for heating steel products9 Jun 2026US 12,649,956 B2Danieli & C. Officine Meccaniche SpA
- Apparatus for firing cathode material of secondary battery18 Jun 2026US 2026/0171467 A1Posco Future M Co., Ltd.
- Heat treatment system18 Dec 2025US 2025/0383154 A1NGK Insulators, Ltd.
- Heat treatment line for a hot strip6 Nov 2025US 2025/0340966 A1SMS group GmbH
- Continuous heat treatment system for high-pressure fluid storage container30 Oct 2025US 2025/0334334 A1Aether Ct Co., Ltd.
- Furnace for the temperature treatment of goods, use of the furnace, and method for the temperature treatment of goods23 Oct 2025US 2025/0327620 A1Riedhammer GmbH
Most cited
By later US patents
- Insulated sleeved roll75US 6,716,147 B1Pyrotek, Inc. · 2004
- Tunnel-type conveyor oven having two types of heat sources62US 5,906,485 AReading Pretzel Machinery Corp. · 1999
- Baking furnace and control method therefor53US 5,993,202 AMatsushita Electric Industrial Co., Ltd. · 1999
- Process for the thermal treatment of more particularly substantially flat bodies of a ceramic material and continuous furnace for the performance of the process28US 4,878,838 AA.P.T. Anlagen fur Pyrotechnik GmbH · 1989
- Roller hearth type heat treating furnace27US 4,932,864 AChugai Ro Co., Ltd. · 1990