C03B 2205/08
Sub-atmospheric pressure applied
Official title: Sub-atmospheric pressure applied, e.g. vacuum
C03B2205/08 (Sub-atmospheric pressure applied) appears on 70 US grants and 70 published applications in this corpus.
Search patents in C03B- Granted patents
- 70
- Published applications
- 70
- Assignees
- 46
- Inventors
- 210
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 3 |
| 2003 | 4 | 5 |
| 2004 | 5 | 7 |
| 2005 | 4 | 4 |
| 2006 | 3 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 3 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 2 | 1 |
| 2018 | 0 | 5 |
| 2019 | 2 | 6 |
| 2020 | 2 | 3 |
| 2021 | 6 | 3 |
| 2022 | 2 | 4 |
| 2023 | 2 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for producing hollow-core optical fibers2 Jun 2026US 12,645,027 B2Corning Incorporated
- Method and device for manufacturing a hollow-core optical fibre24 Jun 2025US 12,338,162 B2Centre National De La Recherche Scientifique
- Hollow-core fiber cable and method of manufacturing the same29 Oct 2024US 12,130,469 B2Scientel Wireless LLC
- Element for a preform, a fiber production method and an optical fiber drawn from the preform24 Sep 2024US 12,098,088 B2Nkt Photonics A/S
- Hollow-core fiber cable and method of manufacturing the same5 Sep 2023US 11,747,552 B1Scientel Wireless LLC
- Methods of making hollow core optical fibers29 Jan 2026US 2026/0028265 A1Corning Incorporated
- Method for manufacturing optical fiber24 Jul 2025US 2025/0236551 A1Sumitomo Electric Industries, Ltd.
- Optical Fiber Drawing Apparatus and Method Thereof2 Jan 2025US 2025/0002391 A1
- Optical Fiber Manufacturing Using Centrifugal Injection Molding in Microgravity19 Dec 2024US 2024/0417305 A1
- Methods for producing hollow-core optical fibers1 Feb 2024US 2024/0036249 A1Corning Incorporated
Most cited
By later US patents
- High index-contrast fiber waveguides and applications61US 6,788,864 B2OmniGuide Communications · 2004
- Photonic crystal fibers57US 6,631,234 B1Blazephotonics Limited · 2003
- Waveguides having axially varying structure57US 6,795,635 B1Corning Incorporated · 2004
- Method of and apparatus for overcladding a glass rod50US 4,820,322 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989
- High index-contrast fiber waveguides and applications45US 6,898,359 B2OmniGuide Communications · 2005