G02B 23/00
Telescopes
Official title: Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
G02B23/00 (Telescopes) appears on 8,821 US grants and 8,584 published applications in this corpus.
Search patents in G02B- Granted patents
- 8,821
- Published applications
- 8,584
- Assignees
- 2,262
- Inventors
- 11,736
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 34 | 0 |
| 1978 | 35 | 0 |
| 1979 | 35 | 0 |
| 1980 | 36 | 0 |
| 1981 | 54 | 0 |
| 1982 | 30 | 0 |
| 1983 | 43 | 0 |
| 1984 | 45 | 0 |
| 1985 | 32 | 0 |
| 1986 | 61 | 0 |
| 1987 | 105 | 0 |
| 1988 | 108 | 0 |
| 1989 | 103 | 0 |
| 1990 | 99 | 0 |
| 1991 | 104 | 0 |
| 1992 | 109 | 0 |
| 1993 | 121 | 0 |
| 1994 | 106 | 0 |
| 1995 | 90 | 0 |
| 1996 | 118 | 0 |
| 1997 | 100 | 0 |
| 1998 | 127 | 0 |
| 1999 | 154 | 0 |
| 2000 | 149 | 0 |
| 2001 | 125 | 51 |
| 2002 | 141 | 113 |
| 2003 | 126 | 137 |
| 2004 | 116 | 167 |
| 2005 | 96 | 178 |
| 2006 | 118 | 177 |
| 2007 | 109 | 225 |
| 2008 | 103 | 211 |
| 2009 | 125 | 291 |
| 2010 | 158 | 248 |
| 2011 | 171 | 201 |
| 2012 | 207 | 268 |
| 2013 | 210 | 321 |
| 2014 | 273 | 394 |
| 2015 | 275 | 370 |
| 2016 | 288 | 529 |
| 2017 | 375 | 664 |
| 2018 | 413 | 601 |
| 2019 | 511 | 602 |
| 2020 | 514 | 642 |
| 2021 | 475 | 558 |
| 2022 | 466 | 435 |
| 2023 | 395 | 377 |
| 2024 | 440 | 347 |
| 2025 | 352 | 306 |
| 2026 | 211 | 171 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sight and compensating mechanism thereof6 Oct 2026US 12,754,410 B2Asia Optical Co., Inc.
- Sight with detachable eyepiece6 Oct 2026US 12,754,411 B1
- Illumination sources for multicore fiber endoscopes29 Sep 2026US 12,745,900 B2Zsquare Ltd.
- Imaging optical system comprising three mirrors29 Sep 2026US 12,748,290 B2Office National D’Etudes Et De Recherches AéRospatiales
- Magnetic eyecup for binoculars, spotting scope, or other output optical device29 Sep 2026US 12,748,297 B2Leupold & Stevens, Inc.
- System and computer implemented method for controlling a flexible device whilst inspecting or repairing a component8 Oct 2026US 2026/0307242 A1ROLLS-ROYCE plc
- Illuminated Sighting System8 Oct 2026US 2026/0309460 A1HiViz, LLC
- Mounting systems suitable for mounting vision systems8 Oct 2026US 2026/0309973 A1Swift Universal Optical Systems LLC
- Optical system1 Oct 2026US 2026/0299279 A1Asia Optical Co., Inc.
- Control module for inspection tool1 Oct 2026US 2026/0299280 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Endoscope shaft with slotted tube2,127US 6,749,560 B1Circon Corporation · 2004
- Flexible ureteropyeloscope1,853US 6,780,151 B2ACMI Corporation · 2004
- Industrial endoscope system having a rotary treatment member1,407US 5,155,941 AOlympus Optical Co., Ltd. · 1992
- Articulating arm for positioning a tool at a location1,165US 7,171,279 B2Oliver Crispin Robotics Limited · 2007
- Processor for electronic endoscope and electronic endoscope apparatus1,107US 9,332,890 B2Hoya Corporation · 2016