F27M 2003/02
Preheating
Official title: Preheating, e.g. in a laminating line
F27M2003/02 (Preheating) appears on 30 US grants and 15 published applications in this corpus.
Search patents in F27M- Granted patents
- 30
- Published applications
- 15
- Assignees
- 29
- Inventors
- 57
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Powder-gas heat exchanger and applications thereof19 Aug 2025US 12,391,611 B2Calix, Inc.
- Steel sheet heating method and steel sheet heating apparatus25 Jun 2019US 10,330,386 B2Nippon Steel & Sumitomo Metal Corporation
- Direct smelting process and apparatus11 Dec 2018US 10,151,014 B2Tata Steel Limited
- Apparatus for pre-heating a metal charge for a melting plant and connected method27 Feb 2018US 9,903,654 B2Danieli & C. Officine Meccaniche SpA
- Blast furnace31 Jan 2017US 9,556,497 B2Mitsubishi Heavy Industries, Ltd.
- Co2-free production of artificial pozzolans, in particular from clay10 Sep 2026US 2026/0265126 A1thyssenkrupp AG
- Powder-Gas Heat Exchanger and Applications Thereof13 Nov 2025US 2025/0346525 A1Calix, Inc.
- Transfer apparatus and electrode material heat treatment apparatus including the same16 Jan 2025US 2025/0020407 A1Hanwha Momentum Corporation
- Waste-to-energy production conjoined with portland cement production12 Dec 2024US 2024/0409459 A1
- A Powder-Gas Heat Exchanger and Applications Thereof25 May 2023US 2023/0159388 A1Calix, Inc.
Most cited
By later US patents
- Refractory shapes of ceramic fiber-containing material45US 4,737,326 ADidier-Werke AG · 1988
- Method and apparatus for continuous casting and hot-rolling32US 5,461,770 AHitachi, Ltd. · 1995
- Control of workpiece heating17US 4,223,385 AWestinghouse Electric Corp. · 1980
- Device for holding a long shaped product made of ceramics during drying5US 5,106,295 ANGK Insulators, Ltd. · 1992
- Method for charging a reverbratory furnace with metal chips5US 6,136,064 AHayes Lemmerz International, Inc. · 2000