F27D 2019/0093
Maintaining a temperature gradient
Official title: {Maintaining a temperature gradient}
F27D2019/0093 (Maintaining a temperature gradient) appears on 12 US grants and 9 published applications in this corpus.
Search patents in F27D- Granted patents
- 12
- Published applications
- 9
- Assignees
- 9
- Inventors
- 29
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the commercial production of high-quality catalyst materials21 Apr 2026US 12,607,408 B2Greyrock Technology, LLC
- Process for the commercial production of high-quality catalyst material28 May 2024US 11,994,345 B2Greyrock Technology, LLC
- Klin firing with differential temperature gradients31 Jan 2023US 11,566,843 B2Corning Incorporated
- Process for the commercial production of high-quality catalyst materials8 Nov 2022US 11,493,274 B2Greyrock Technology, LLC
- Microprocessor-based controller for pellet burners1 Nov 2022US 11,486,644 B1
- Process for the commercial production of high-quality catalyst materials17 Oct 2024US 2024/0344770 A1Greyrock Technology, LLC
- Process for the Commercial Production of High-Quality Catalyst Material6 Jul 2023US 2023/0213284 A1Greyrock Technology, LLC
- Kiln firing with differential temperature gradients27 Jan 2022US 2022/0026148 A1Corning Incorporated
- Process for the commercial production of high-quality catalyst materials10 Jun 2021US 2021/0172682 A1Greyrock Technology, LLC
- Automated measurement process of the temperature of a fusion furnace by means of a temperature probe28 Mar 2019US 2019/0093951 A1Europea Microfusioni Aerospaziali S.P.A.
Most cited
By later US patents
- Apparatus using high intensity CW lamps for improved heat treating of semiconductor wafers75US 4,680,451 AA. G. Associates · 1987
- Apparatus and method for controlling gradients in radio frequency heating18US 5,134,261 AThe United States of America as represented by the Secretary of the Air Force · 1992
- Dynamic gradient furnace with controlled heat dissipation12US 4,423,516 A1983
- Temperature gradient furnace for materials processing5US 4,609,035 AGrumman Aerospace Corporation · 1986
- Method of providing a dynamic temperature gradient4US 4,518,351 A1985