Rig or wellsite safety intervention
US-2018364693-A1 · Dec 20, 2018 · US
using light grids
using light grids · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16P3/144 |
| Official title | {using light grids} |
| Display label | using light grids |
| Total patents | 245 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 18 |
| 2017 | 19 |
| 2018 | 21 |
| 2019 | 23 |
| 2020 | 18 |
| 2021 | 22 |
| 2022 | 25 |
| 2023 | 23 |
| 2024 | 29 |
| 2025 | 25 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Access Control System
US-2018347753-A1 · Dec 6, 2018 · US
Safety device and method for monitoring a machine
US-2018328537-A1 · Nov 15, 2018 · US
Light grid
US-10126416-B2 · Nov 13, 2018 · US
Access control system to interference area
US-10109128-B2 · Oct 23, 2018 · US
Risk measurement system
US-10095991-B2 · Oct 9, 2018 · US
Transport System
US-2018275664-A1 · Sep 27, 2018 · US
Area Monitoring Sensor
US-2018231181-A1 · Aug 16, 2018 · US
Moving body
US-2018111269-A1 · Apr 26, 2018 · US
Multi-optical axis photoelectric sensor
US-2018088251-A1 · Mar 29, 2018 · US
Light curtain protection system featuring a passive optical module
US-2018025614-A1 · Jan 25, 2018 · US
Safety systems for power equipment
US-2017334087-A1 · Nov 23, 2017 · US
Method for Operating a Bale Opener and Such a Bale Opener
US-2017298540-A1 · Oct 19, 2017 · US
Configurable user detection system
US-2017292650-A1 · Oct 12, 2017 · US
Robot system in which brightness of installation table for robot is changed
US-9764474-B2 · Sep 19, 2017 · US
Camera based apparatus for safeguarding a machine
US-9769432-B2 · Sep 19, 2017 · US
Light curtain protection system featuring a passive optical module
US-9761113-B1 · Sep 12, 2017 · US
Field installable light curtain status module
US-2017228991-A1 · Aug 10, 2017 · US
Optoelectronic apparatus for securing a source of danger
US-2017219708-A1 · Aug 3, 2017 · US
Sensor apparatus and hazard sensing system
US-9709695-B2 · Jul 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F16P3/144?
- CPC F16P3/144 is the Cooperative Patent Classification code for “using light grids.”
- How many patents are filed under CPC F16P3/144 (using light grids)?
- Our database includes 245 publications tagged with this CPC code.
- Is patent activity under CPC F16P3/144 growing?
- Publication counts under this code: 29 in 2024 vs 25 in 2025 (latest complete years).