Patents
US 12259418 B2: Low-frequency transmission monitoring system with fixed and mobile metering devices
- Granted
- 2025-03-25
- Filed
- 2022-08-26 application 17897052
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A transmission measurement system for a guided surface wave transmitted by a guided surface waveguide probe, wherein the transmission measurement system includes at least one mobile metering device configured with a mobile 3-axis antenna and a plurality of sensing subsystems to continuously sense and measure a plurality of meter measurement data while being conveyed by a ground-based or airborne vehicle, the plurality of meter measurement data include but is not limited to the electromagnetic field strength of the guided surface wave, the weather and atmospheric conditions local to the mobile metering device, and soil sigma measurements selected from at least estimated soil sigma measurements and direct soil sigma measurements along the path of the mobile metering device.
Source: PVGPATDIS, file of 2026-04-10 (ipg250325.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| CPG Technologies, LLC 104 patents | US company or organization | Waco, TX | CPG TECHNOLOGIES, LLC State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Charles Roy | Waco, TX | 13 | PVGPATDIS, file of 2026-04-10 | |
| Kendol C. Everroad | Midlothian, TX | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01R | Measuring electric variables; measuring magnetic variables | G01R29/08 | PVGPATDIS, file of 2026-04-10 |
| H02J | Electric power networks; circuit arrangements or systems for supplying or distributing electric power; systems for storing electric energy | H02J50/20 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-10-29 | Assignment Assignment of assignor's interest | ROY, CHARLES M. signed 2022-11-03 EVERROAD, KENDOL C. signed 2022-12-04 | CPG TECHNOLOGIES, LLC ITALY, TX | 69056/365 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.