Systems, devices, and methods for documenting ground assets and associated utility lines
US-2025290749-A1 · Sep 18, 2025 · US
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Plumb lines
Plumb lines · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01C15/10 |
| Official title | Plumb lines |
| Display label | Plumb lines |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vertical-height gauge and measuring method
US-2024302154-A1 · Sep 12, 2024 · US
Laser level alignment tool
US-11971255-B2 · Apr 30, 2024 · US
Fence post measurement
US-11709051-B2 · Jul 25, 2023 · US
Laser Level Alignment Tool
US-2022136829-A1 · May 5, 2022 · US
Fence post measurement
US-2021278207-A1 · Sep 9, 2021 · US
Foundation and deflection monitoring device
US-10808374-B2 · Oct 20, 2020 · US
Analysis system, analysis method, and storage medium in which analysis program is stored
US-10690499-B2 · Jun 23, 2020 · US
Sensor positioning device
US-10539416-B2 · Jan 21, 2020 · US
Foundation and deflection monitoring device
US-2019338487-A1 · Nov 7, 2019 · US
Analysis system, analysis method, and storage medium in which analysis program is stored
US-2019101390-A1 · Apr 4, 2019 · US
Method and device for installing an elevator system
US-10065836-B2 · Sep 4, 2018 · US
Guide rail straightness measuring system for elevator installations
US-9957136-B2 · May 1, 2018 · US
Sensor positioning device
US-2018003490-A1 · Jan 4, 2018 · US
Plumb bob assembly for hyraulic hammer
US-2017082437-A1 · Mar 23, 2017 · US
Method and device for installing an elevator system
US-2017001842-A1 · Jan 5, 2017 · US
Guide rail straightness measuring system for elevator installations
US-2015217972-A1 · Aug 6, 2015 · US