G02B 5/13
Plural curved refracting elements forming part of a unitary body
Official title: plural curved refracting elements forming part of a unitary body
G02B5/13 (Plural curved refracting elements forming part of a unitary body) appears on 49 US grants and 56 published applications in this corpus.
Search patents in G02B- Granted patents
- 49
- Published applications
- 56
- Assignees
- 46
- Inventors
- 105
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 4 | 5 |
| 2016 | 4 | 7 |
| 2017 | 4 | 5 |
| 2018 | 3 | 6 |
| 2019 | 5 | 5 |
| 2020 | 5 | 5 |
| 2021 | 3 | 2 |
| 2022 | 3 | 4 |
| 2023 | 3 | 2 |
| 2024 | 4 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Textured retro-reflective marker27 May 2025US 12,313,867 B1Northern Digital Inc.
- Retroreflectors10 Dec 2024US 12,164,124 B2Apple Inc.
- Textured retro-reflective marker3 Sep 2024US 12,078,825 B1Northern Digital Inc.
- Polymer compatible heat fused retroreflective bead2 Jan 2024US 11,860,388 B2Tundra Composites, LLC
- Complex retroreflective bead2 Jan 2024US 11,860,389 B2Tundra Composites, LLC
- Low-dispersion reflector4 Jun 2026US 2026/0153656 A1Hexagon Innovation Hub GmbH
- Micro domes array capable of producing multicolor retroreflective graphics, method for fabricating the same, and system for generating pixelated graphic19 Feb 2026US 2026/0050109 A1Korea Advanced Institute of Science and Technology
- Textured retro-reflective marker27 Nov 2025US 2025/0362436 A1Northern Digital Inc.
- Retro-reflector arrangement26 Jun 2025US 2025/0207917 A1Hexagon Technology Center GmbH
- Textured retro-reflective marker12 Dec 2024US 2024/0411065 A1Northern Digital Inc.
Most cited
By later US patents
- Directed reflectors and systems utilizing same48US 6,507,441 B1Optid, Optical Identification Technologies Ltd. · 2003
- Two-dimensional illumination optical system and liquid crystal projector using same37US 5,993,010 AMinolta Co., Ltd. · 1999
- Retroreflecting chaff for laser defense24US 10,014,587 B1The United States of America as represented by the Secretary of the Navy · 2018
- Cat's eye retro-reflector array coding device and method of fabrication22US 7,152,984 B1MicroFab Technologies, Inc. · 2006
- Exposed lens retroreflective article14US 8,851,688 B23M Innovative Properties Company · 2014