F27D 3/123
Furnace cars
Official title: {Furnace cars}
F27D3/123 (Furnace cars) appears on 61 US grants and 33 published applications in this corpus.
Search patents in F27D- Granted patents
- 61
- Published applications
- 33
- Assignees
- 51
- Inventors
- 139
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 4 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 4 |
| 2019 | 5 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 4 |
| 2024 | 0 | 0 |
| 2025 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Grate bar for a pelletizing or sintering machine9 Dec 2025US 12,492,866 B2Paul Wurth Deutschland GmbH
- Travelling grate condition monitoring18 Nov 2025US 12,475,550 B2Paul Wurth S. A.
- Heat treatment vessel coupler, heat treatment vessel coupling method, and heat treatment method9 Sep 2025US 12,410,975 B2Noritake Co., Limited
- Sealing system for a machine for thermal treatment of bulk material8 Apr 2025US 12,270,607 B2Metso USA Inc.
- Sealing system for a machine for thermal treatment of bulk material25 Jul 2023US 11,709,019 B2Metso Minerals Industries, Inc.
- Heat treatment vessel coupler, heat treatment vessel coupling method, and heat treatment method21 Dec 2023US 2023/0408198 A1Noritake Co., Limited
- Sealing system for a machine for thermal treatment of bulk material19 Oct 2023US 2023/0332834 A1Metso Outotec USA Inc.
- Grate bar for a pelletizing or sintering machine20 Jul 2023US 2023/0228490 A1Paul Wurth Deutschland GmbH
- System and method to automatically lubricate a kiln cartwheel27 Apr 2023US 2023/0126731 A1
- Travelling grate condition monitoring1 Sep 2022US 2022/0277433 A1Paul Wurth S. A.
Most cited
By later US patents
- Container67US 7,204,954 B2Hoei Shokai Co., Ltd. · 2007
- Process for producing ceramic honeycomb structural bodies29US 5,316,710 ANGK Insulators, Ltd. · 1994
- Process for the preparation of thick-walled ceramic products24US 5,911,941 ANucon Systems · 1999
- End block23US 4,320,612 AResco Products, Inc. · 1982
- Kiln furniture post design20US 5,836,760 ASaint-Gobain/Norton Industrial Ceramics Corporation · 1998