Patents
US 9995132 B2: External hollow antenna
- Granted
- 2018-06-12
- Filed
- 2015-06-08 application 14733340
- Type
- Utility · 10 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A beacon assembly located at a downhole end of a drill string proximate a boring tool. The beacon assembly transmits data to an above-ground receiver. The beacon has a housing with a housing wall located between its sensors, such as gradiometers, accelerometers, and other orientation sensors, and an antenna assembly. The antenna assembly has a protective covering made of electromagnetically transparent material.
Source: PVGPATDIS, file of 2026-04-10 (ipg180612.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| The Charles Machines Works, Inc. 255 patents | US company or organization | Perry, OK | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael F. Gard | Perry, OK | 18 | PVGPATDIS, file of 2026-04-10 | |
| Brian K. Bailey | Stillwater, OK | 17 | PVGPATDIS, file of 2026-04-10 | |
| Richard F. Sharp | Perry, OK | 9 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E21B | Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells | E21B47/024 | PVGPATDIS, file of 2026-04-10 |
| H01Q | Antennas, i.e. radio aerials | H01Q1/04 | 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 |
|---|---|---|---|---|---|
| 2015-06-08 | Assignment Assignment of assignor's interest | BAILEY, BRIAN K. signed 2015-03-06 GARD, MICHAEL F. signed 2015-03-09 SHARP, RICHARD F. signed 2015-04-07 | THE CHARLES MACHINE WORKS, INC. PERRY, OK | 35804/103 | 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.