C03B 37/091
Indirect-resistance heating
Official title: {Indirect-resistance heating}
C03B37/091 (Indirect-resistance heating) appears on 41 US grants and 9 published applications in this corpus.
Search patents in C03B- Granted patents
- 41
- Published applications
- 9
- Assignees
- 20
- Inventors
- 59
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High capacity bushing plate for producing igneous rock fibers9 Jun 2026US 12,649,681 B2Rock Fiber, Inc.
- Bushings comprising notched terminal ears28 Mar 2017US 9,604,869 B23B-Fibreglass sprl
- Reinforced terminal ear for bushing31 Jan 2017US 9,556,057 B23B-Fibreglass sprl
- Fiberizing bushings and methods of using28 Feb 2006US 7,003,986 B2Johns Manville International, Inc.
- Bushing including a terminal ear6 Aug 2002US 6,427,492 B1Owens Corning Fiberglas Technology, Inc.
- 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.
- Reinforced terminal ear for bushing11 Jun 2015US 2015/0158754 A13B-Fibreglass sprl
- Bushings comprising notched terminal ears5 Feb 2015US 2015/0033800 A13B-Fibreglass sprl
- Terminal Clamp for Horizontal Ear Bushing5 May 2011US 2011/0100065 A1OCV Intellectual Capital, LLC
Most cited
By later US patents
- 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
- Method and apparatus for melting and processing glass14US 4,023,950 A1977
- Method and apparatus for producing fibers from heat-softenable materials13US 3,972,702 AOwens-Corning Fiberglas Corporation · 1976