F27D 2019/0037
Quantity of electric current
Official title: {Quantity of electric current}
F27D2019/0037 (Quantity of electric current) appears on 54 US grants and 51 published applications in this corpus.
Search patents in F27D- Granted patents
- 54
- Published applications
- 51
- Assignees
- 49
- Inventors
- 136
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 4 |
| 2007 | 4 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 2 | 7 |
| 2016 | 1 | 2 |
| 2017 | 2 | 3 |
| 2018 | 4 | 3 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 7 |
| 2025 | 2 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Video analysis-based algorithm for triggering power cutback in vacuum arc remelting17 Jun 2025US 12,332,611 B2Titanium Metals Corporation
- Adaptive baking method14 Jan 2025US 12,196,491 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Systems and method for the production of submicron sized particles19 Jul 2022US 11,389,874 B1
- Adaptive baking method21 Dec 2021US 11,204,200 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Integrated flicker control for arc furnace27 Apr 2021US 10,989,474 B2ABB Schweiz AG
- Electrode heating device17 Sep 2026US 2026/0276305 A1LG Energy Solution, Ltd.
- Dual electrode dc arc furnace13 Nov 2025US 2025/0347465 A1
- Stack melting apparatus5 Jun 2025US 2025/0180292 A1
- Operating method for an electric arc furnace1 May 2025US 2025/0142692 A1Primetals Technologies Germany GmbH
- Twin coil arc sweep system for vacuum arc remelting furnaces10 Apr 2025US 2025/0119992 A1Titanium Metals Corporation
Most cited
By later US patents
- Double wall fast cool-down furnace366US 4,802,441 ABTU Engineering Corporation · 1989
- Tunnel oven121US 4,554,437 APet Incorporated · 1985
- Apparatus using high intensity CW lamps for improved heat treating of semiconductor wafers75US 4,680,451 AA. G. Associates · 1987
- Immersion heater for molten metal74US 9,108,244 B22015
- Immersion heater for molten metal66US 9,481,035 B2Molten Metal Equipment Innovations, LLC · 2016