Aerosol transmissometer with an in-process transfer standard
US-11204320-B2 · Dec 21, 2021 · US
Periscopes {(arrangements on floating structures of underwater viewing devices B63C11/49; arrangement of visual watch equipment on submarines B63G8/38)}
Periscopes {(arrangements on floating structures of underwater viewing devices B63C11/49; arrangement of visual watch equipment on submarines B63G8/38)} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B23/08 |
| Official title | Periscopes {(arrangements on floating structures of underwater viewing devices B63C11/49; arrangement of visual watch equipment on submarines B63G8/38)} |
| Display label | Periscopes {(arrangements on floating structures of underwater viewing devices B63C11/49; arrangement of visual watch equipment on submarines B63G8/38)} |
| Total patents | 142 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 18 |
| 2021 | 19 |
| 2022 | 25 |
| 2023 | 21 |
| 2024 | 17 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coherent skew mirrors
US-2021382218-A1 · Dec 9, 2021 · US
Protection of a monostatic or quasi-monostatic laser rangefinder
US-2021364602-A1 · Nov 25, 2021 · US
Aerosol transmissometer with an in-process transfer standard
US-2021333206-A1 · Oct 28, 2021 · US
Periscope optical assembly with inserted components
US-2021302715-A1 · Sep 30, 2021 · US
Device for a weapon station
US-2021294087-A1 · Sep 23, 2021 · US
A Detachable Optical Structure for Displacing the Optical Axis of a Camera Device
US-2021286157-A1 · Sep 16, 2021 · US
Coherent skew mirrors
US-11119261-B1 · Sep 14, 2021 · US
Rotatable projection lens and projector
US-2021247598-A1 · Aug 12, 2021 · US
Optical assembly
US-2021199956-A1 · Jul 1, 2021 · US
Periscope-type zooming camera module
US-2021141206-A1 · May 13, 2021 · US
Optical element driving mechanism
US-2021132319-A1 · May 6, 2021 · US
Optical system
US-2021132360-A1 · May 6, 2021 · US
Projection apparatus
US-2021124251-A1 · Apr 29, 2021 · US
Optical viewfinder for costume heads
US-2021096350-A1 · Apr 1, 2021 · US
Camera module and electronic device
US-2021080706-A1 · Mar 18, 2021 · US
Long-Range Optical Device And Focusing Unit
US-2021058602-A1 · Feb 25, 2021 · US
Optical path turning module
US-10890752-B2 · Jan 12, 2021 · US
Periscope optical assembly
US-10877219-B1 · Dec 29, 2020 · US
Optical device and method for high-resolution image transfer
US-2020386981-A1 · Dec 10, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B23/08?
- CPC G02B23/08 is the Cooperative Patent Classification code for “Periscopes {(arrangements on floating structures of underwater viewing devices B63C11/49; arrangement of visual watch equipment on submarines B63G8/38)}.”
- How many patents are filed under CPC G02B23/08 (Periscopes {(arrangements on floating structures of underwater viewing devices B63C11/49; arrangement of visual watch equipment on submarines B63G8/38)})?
- Our database includes 142 publications tagged with this CPC code.
- Is patent activity under CPC G02B23/08 growing?
- Publication counts under this code: 17 in 2024 vs 15 in 2025 (latest complete years).