Horizontal directional drill with freewheel mode
US-2024175319-A1 · May 30, 2024 · US
Underground drilling apparatus
US8939237B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8939237-B2 |
| Application number | US-201113247327-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 28, 2011 |
| Priority date | Nov 12, 2010 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
Official abstract text for this publication.
A drilling apparatus is adapted for connection to a drill string such that the drill string rotates the drilling apparatus in a rotational cutting motion. The drilling apparatus includes a sonde housing having a distal end and a proximal end. The sonde housing includes a top platform positioned adjacent the distal end of the sonde housing and further includes a tongue positioned on the top platform. The drilling apparatus further includes a rotary cutting tool mounted to the distal end of the sonde housing.
First claim
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The invention claimed is: 1. A drilling apparatus comprising: a sonde housing that is elongated along a central longitudinal axis, the sonde housing having a length that extends along the central longitudinal axis from a proximal end of the sonde housing to a distal end of the sonde housing, the proximal end of the sonde housing being adapted for connection to a drill string and the distal end of the sonde housing including a distal end face, the sonde housing defining first and s…
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Frequently asked questions
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- What does patent US8939237B2 cover?
- A drilling apparatus is adapted for connection to a drill string such that the drill string rotates the drilling apparatus in a rotational cutting motion. The drilling apparatus includes a sonde housing having a distal end and a proximal end. The sonde housing includes a top platform positioned adjacent the distal end of the sonde housing and further includes a tongue positioned on the top plat…
- Who is the assignee on this patent?
- Runquist Randy R, Hoelting Keith A, Vermeer Mfg Co
- What technology area does this patent fall under?
- Primary CPC classification E21B7/046. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).