C03B 37/09
Electrically heated
Official title: electrically heated
C03B37/09 (Electrically heated) appears on 59 US grants and 16 published applications in this corpus.
Search patents in C03B- Granted patents
- 59
- Published applications
- 16
- Assignees
- 31
- Inventors
- 88
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 4 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High capacity bushing plate for producing igneous rock fibers9 Jun 2026US 12,649,681 B2Rock Fiber, Inc.
- Apparatus and process for producing fiber from igneous rock19 Sep 2023US 11,760,677 B2Usb I, LLC
- Apparatus and process for producing fiber from igneous rock8 Dec 2020US 10,858,275 B2Usb I, LLC
- Glass manufacturing method using electric melting19 Jun 2018US 10,000,404 B2Saint-Gobain Isover
- Bushings comprising notched terminal ears28 Mar 2017US 9,604,869 B23B-Fibreglass sprl
- High capacity bushing plate for producing igneous rock fibers1 Oct 2026US 2026/0296949 A1Rock Fiber, Inc.
- High capacity bushing plate for producing igneous rock fibers25 Jul 2024US 2024/0246852 A1Rock Fiber, Inc.
- Tip plate and corresponding bushing19 Jan 2023US 2023/0015763 A1Cookson Precious Metals Ltd.
- Apparatus and Process for Producing Fiber from Igneous Rock25 Feb 2021US 2021/0053856 A1Usb I, LLC
- Apparatus and Process for Producing Fiber from Igneous Rock21 Dec 2017US 2017/0362111 A1Usb I, LLC
Most cited
By later US patents
- Electric glass melting furnace23US 4,491,951 AOwens-Corning Fiberglas Corporation · 1985
- Method and apparatus for making glass filament or fibers20US 4,416,678 AEglasstrek Patent Promotion & Awarding GmbH · 1983
- High current multiterminal bushing controller17US 4,931,075 APPG Industries, Inc. · 1990
- Method for forming glass fibers15US 4,488,891 AOwens-Corning Fiberglas Corporation · 1984
- Glass melter15US 4,592,770 AGAF Corporation · 1986