C03B 37/018
By glass deposition on a glass substrate
Official title: by glass deposition on a glass substrate, e.g. by {inside-, modified-, plasma- or plasma modified-} chemical vapour deposition {[ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod} (C03B37/016 takes precedence; surface treatment of glass by coating with glass C03C17/02)
C03B37/018 (By glass deposition on a glass substrate) appears on 719 US grants and 511 published applications in this corpus.
Search patents in C03B- Granted patents
- 719
- Published applications
- 511
- Assignees
- 212
- Inventors
- 1,162
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 12 | 0 |
| 1979 | 11 | 0 |
| 1980 | 23 | 0 |
| 1981 | 20 | 0 |
| 1982 | 23 | 0 |
| 1983 | 22 | 0 |
| 1984 | 13 | 0 |
| 1985 | 20 | 0 |
| 1986 | 14 | 0 |
| 1987 | 15 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 16 | 0 |
| 1991 | 9 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 13 | 4 |
| 2002 | 16 | 32 |
| 2003 | 24 | 41 |
| 2004 | 27 | 27 |
| 2005 | 17 | 30 |
| 2006 | 15 | 20 |
| 2007 | 8 | 21 |
| 2008 | 10 | 22 |
| 2009 | 12 | 23 |
| 2010 | 14 | 17 |
| 2011 | 20 | 20 |
| 2012 | 19 | 31 |
| 2013 | 12 | 23 |
| 2014 | 28 | 16 |
| 2015 | 20 | 25 |
| 2016 | 22 | 17 |
| 2017 | 22 | 20 |
| 2018 | 8 | 14 |
| 2019 | 9 | 24 |
| 2020 | 14 | 14 |
| 2021 | 14 | 17 |
| 2022 | 13 | 12 |
| 2023 | 16 | 9 |
| 2024 | 6 | 12 |
| 2025 | 11 | 9 |
| 2026 | 5 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C03B 37/01807Reactant delivery systems406
- C03B 37/01861Means for changing or stabilising the diameter or form of tubes or167
- C03B 37/01884Means for supporting, rotating and translating tubes or rods being formed97
- C03B 37/01853Thermal after-treatment of preforms82
- C03B 37/01876Means for heating tubes or rods during or immediately prior to deposition39
- C03B 37/01846Means for after-treatment or catching of worked reactant gases34
Recent patents
- Manufacturing method of porous glass base material for optical fiber and manufacturing apparatus21 Jul 2026US 12,686,629 B2Shin-Etsu Chemical Co., Ltd.
- Method for making halogen doped optical element26 May 2026US 12,637,384 B2Corning Incorporated
- Cleaning step to remove metals or metal oxides from porous glass body19 May 2026US 12,630,459 B2Corning Incorporated
- Light-based optical fiber heaters using hollow light pipes12 May 2026US 12,623,950 B2Corning Incorporated
- Optical fiber preform24 Mar 2026US 12,583,782 B2Shin-Etsu Chemical Co., Ltd.
- Hollow-core preforms and hollow-core optical fibers and methods of making the same1 Oct 2026US 2026/0296948 A1Corning Incorporated
- Production method for glass preform and production apparatus for glass preform20 Aug 2026US 2026/0242272 A1Sumitomo Electric Industries, Ltd.
- Method for producing an optical fiber preform25 Jun 2026US 2026/0176184 A1Heraeus Quarzglas GmbH & Co.KG
- Reservoir, method for producing optical fiber, and device for producing optical fiber18 Jun 2026US 2026/0167553 A1Sumitomo Electric Industries, Ltd.
- Multicore optical fiber4 Jun 2026US 2026/0153668 A1Sumitomo Electric Industries, Ltd.
Most cited
By later US patents
- Method of manufacturing fluorine-doped optical fibers270US 4,468,413 AU. S. Philips Corporation · 1984
- Ultra high numerical aperture optical fibers242US 7,715,672 B2Imra America, Inc. · 2010
- Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers222US 8,213,758 B2Imra America, Inc. · 2012
- Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers219US 8,542,968 B2Imra America, Inc. · 2013
- Single mode optical fiber161US 7,623,747 B2Draka Comteq B.V. · 2009