G02B 6/3845
Ferrules comprising functional elements
Official title: {ferrules comprising functional elements, e.g. filters}
G02B6/3845 (Ferrules comprising functional elements) appears on 198 US grants and 190 published applications in this corpus.
Search patents in G02B- Granted patents
- 198
- Published applications
- 190
- Assignees
- 128
- Inventors
- 507
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 16 |
| 2003 | 7 | 17 |
| 2004 | 12 | 9 |
| 2005 | 11 | 8 |
| 2006 | 6 | 5 |
| 2007 | 4 | 1 |
| 2008 | 2 | 8 |
| 2009 | 4 | 1 |
| 2010 | 1 | 5 |
| 2011 | 6 | 8 |
| 2012 | 2 | 4 |
| 2013 | 7 | 3 |
| 2014 | 1 | 4 |
| 2015 | 5 | 7 |
| 2016 | 7 | 10 |
| 2017 | 9 | 13 |
| 2018 | 10 | 13 |
| 2019 | 13 | 7 |
| 2020 | 5 | 7 |
| 2021 | 10 | 10 |
| 2022 | 4 | 10 |
| 2023 | 4 | 10 |
| 2024 | 11 | 3 |
| 2025 | 7 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ferrule, fiber connector, and ferrule production method25 Aug 2026US 12,717,091 B2Huawei Technologies Co., Ltd.
- Integrated connector-wavelength division multiplexing device and fiber optic module including such devices14 Oct 2025US 12,442,984 B2Corning Research & Development Corporation
- Optical waveguide for a magneto-optical current sensor12 Aug 2025US 12,386,122 B2HSP Hochspannungsgeräte GmbH
- Optical fiber connector with attenuation function29 Jul 2025US 12,372,728 B2Gloriole Electroptic Technology Corp.
- Fiber optic ferrule and interface for coupling hollow-core and solid-core optical fibers22 Jul 2025US 12,366,710 B2Corning Research & Development Corporation
- Interconnecting a hollow-core fibre with a standard silica single-mode fibre24 Sep 2026US 2026/0287827 A1
- Terminator, terminal, and optical connection structure6 Aug 2026US 2026/0227581 A1Sumitomo Electric Industries, Ltd.
- Shuttered fiber optic adaptors18 Jun 2026US 2026/0169229 A1AFL Telecommunications LLC
- Optical fiber connector and optical splitter30 Apr 2026US 2026/0118588 A1Huawei Technologies Co., Ltd.
- Optical component structure and optical transceiver module12 Feb 2026US 2026/0043970 A1Accelight Technologies (Wuhan) Inc.
Most cited
By later US patents
- Temperature compensated fiber fabry-perot filters156US 5,509,093 AMicron Optics, Inc. · 1996
- Optical fiber connecting ferrule including flexible intermediate section154US 5,218,657 AHonda Tsushin Kogyo Co., Ltd. · 1993
- Optical fiber enclosure system using integrated optical connector and coupler assembly149US 6,909,833 B2Fiber Optic Network Solutions Corporation · 2005
- Fiber optic coupling system116US 4,783,137 A1988
- Fiberoptic pressure sensor having drift correction means for insitu calibration115US 5,422,478 AFiberoptic Sensor Technologies, Inc. · 1995