F27D 3/022
Skids
Official title: {Skids}
F27D3/022 (Skids) appears on 83 US grants and 15 published applications in this corpus.
Search patents in F27D- Granted patents
- 83
- Published applications
- 15
- Assignees
- 55
- Inventors
- 136
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 4 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device, system and method for detecting transport boats2 Jun 2026US 12,646,631 B2ALD Vacuum Technologies GmbH
- Insulating concrete shell24 Feb 2026US 12,560,273 B2ANDRITZ Metals Germany GmbH
- Grate bar for stepped grate14 Nov 2023US 11,815,265 B2IKN GmbH
- Heat treat furnace jig21 Jul 2020US 10,718,569 B2Toyo Tanso Co., Ltd.
- Mobile removable hearth for furnace and transporter10 Jul 2018US 10,018,418 B2Can-Eng Partners Limited
- Method of heat-treating tubing24 Apr 2025US 2025/0129988 A1Plymouth Tube Co.
- Insulating Concrete Shell12 Sep 2024US 2024/0301986 A1ANDRITZ Metals Germany GmbH
- Heat Insulating Protective Member, Method for Manufacturing Same, Method for Installing Same, In-Furnace Member, and Reheating Furnace27 Oct 2022US 2022/0341667 A1Maftec Co., Ltd.
- Grate Bar for Stepped Grate11 Aug 2022US 2022/0252261 A1IKN GmbH
- Furnace with movable beam load handling system24 Mar 2022US 2022/0090862 A1SMS group GmbH
Most cited
By later US patents
- Refractory insulation for skid pipes and the like in reheating furnaces43US 4,225,307 A1980
- Fiber pipe protection for water cooled pipes in reheat furnaces19US 4,450,872 AThe Babcock & Wilcox Company · 1984
- Walking beam furnace for round bar and the like15US 4,025,298 AMidland-Ross Corporation · 1977
- Skid pipe covering13US 4,170,451 ACombustion Engineering, Inc. · 1979
- Protective refractory member13US 4,182,609 ABloom Engineering Company, Inc. · 1980