C03B 2201/40
Doped with transition metals other than rare earth metals
Official title: doped with transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
C03B2201/40 (Doped with transition metals other than rare earth metals) appears on 258 US grants and 244 published applications in this corpus.
Search patents in C03B- Granted patents
- 258
- Published applications
- 244
- Assignees
- 126
- Inventors
- 562
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 10 |
| 2003 | 9 | 13 |
| 2004 | 3 | 8 |
| 2005 | 4 | 10 |
| 2006 | 7 | 4 |
| 2007 | 3 | 13 |
| 2008 | 5 | 5 |
| 2009 | 6 | 10 |
| 2010 | 1 | 17 |
| 2011 | 12 | 17 |
| 2012 | 6 | 14 |
| 2013 | 12 | 10 |
| 2014 | 11 | 7 |
| 2015 | 6 | 12 |
| 2016 | 13 | 19 |
| 2017 | 15 | 11 |
| 2018 | 7 | 9 |
| 2019 | 8 | 7 |
| 2020 | 6 | 11 |
| 2021 | 7 | 5 |
| 2022 | 4 | 6 |
| 2023 | 3 | 4 |
| 2024 | 4 | 8 |
| 2025 | 6 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Titania-silica glass with uniform hydroxyl concentration11 Aug 2026US 12,703,655 B2Corning Incorporated
- 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
- Method for producing crystallized glass member having curved shape3 Mar 2026US 12,565,440 B2Kabushiki Kaisha Ohara
- Methods of forming silica-titania glass articles with reduced striae dimensions11 Nov 2025US 12,466,755 B2Corning Incorporated
- Titania-silica glass with uniform hydroxyl concentration8 Oct 2026US 2026/0308039 A1Corning Incorporated
- Methods of recycling cullet and fibreglass17 Sep 2026US 2026/0274733 A1Sibelco Nederland N.V.
- Homogenous silica-titania glass21 May 2026US 2026/0140435 A1Corning Incorporated
- Homogenous silica-titania glass21 May 2026US 2026/0140436 A1Corning Incorporated
- Apparatus and method for thermally treating a body to be thermally treated7 May 2026US 2026/0125304 A1Carl Zeiss SMT GmbH
Most cited
By later US patents
- Method of making fused silica by decomposing siloxanes106US 5,043,002 ACorning Incorporated · 1991
- Method of making fused silica70US 5,152,819 ACorning Incorporated · 1992
- Optical fiber with irregularities at cladding boundary69US 6,411,762 B1Scientific-Atlanta, Inc. · 2002
- Continuous optical fiber preform fabrication method65US 4,062,665 ANippon Telegraph & Telephone Public Corporation · 1977
- Fiber optic coupler and method57US 4,773,924 ACorning Glass Works · 1988