C03B 2205/63
Ohmic resistance heaters
Official title: Ohmic resistance heaters, e.g. carbon or graphite resistance heaters
C03B2205/63 (Ohmic resistance heaters) appears on 45 US grants and 29 published applications in this corpus.
Search patents in C03B- Granted patents
- 45
- Published applications
- 29
- Assignees
- 22
- Inventors
- 122
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 5 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 3 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing method of glass base material for optical fiber3 Mar 2026US 12,565,442 B2Shin-Etsu Chemical Co., Ltd.
- Method for manufacturing optical fiber glass preform23 Sep 2025US 12,421,156 B2Shin-Etsu Chemical Co., Ltd.
- Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus10 Jun 2025US 12,325,657 B2Shin-Etsu Chemical Co., Ltd.
- System and method for nitrogen doping of a glass article6 Feb 2024US 11,891,331 B2Corning Incorporated
- Optical fiber forming apparatus28 Nov 2023US 11,827,555 B2Corning Incorporated
- Manufacturing method of glass base material for optical fiber2 May 2024US 2024/0140853 A1Shin-Etsu Chemical Co., Ltd.
- Optical fiber draw furnace system and method16 Feb 2023US 2023/0047162 A1Corning Incorporated
- Method for manufacturing optical fiber glass preform26 Jan 2023US 2023/0023064 A1Shin-Etsu Chemical Co., Ltd.
- Wire-drawing optical fiber base material manufacturing method and manufacturing apparatus20 Oct 2022US 2022/0332627 A1Shin-Etsu Chemical Co., Ltd.
- Optical fiber forming apparatus18 Nov 2021US 2021/0355018 A1Corning Incorporated
Most cited
By later US patents
- Method for drawing fibers44US 4,030,901 ABell Telephone Laboratories, Incorporated · 1977
- Non-contacting seal for treating chamber through which elongated material is moved25US 4,174,842 AWestern Electric Company, Inc. · 1979
- Zirconia induction furnace24US 4,450,333 AAT&T Technologies, Inc. · 1984
- Process of drawing optical fiber22US 5,320,658 ASumitomo Electric Industries, Ltd. · 1994
- Method and apparatus for contaminant removal in manufacturing optical fibre21US 4,988,374 AStc PLC · 1991