Threaded truss foundations and related systems, methods and machines
US-2020263723-A1 · Aug 20, 2020 · US
Plug connection and pipe section for a drill pipe
US9290992B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9290992-B2 |
| Application number | US-201213369791-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 9, 2012 |
| Priority date | Feb 10, 2011 |
| Publication date | Mar 22, 2016 |
| Grant date | Mar 22, 2016 |
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- Title
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Abstract
Official abstract text for this publication.
A plug connection for connecting two pipe sections of a drill pipe has a connecting plug on one end of a first of the pipe sections and a connecting bushing on one end of the second pipe section. The connecting plug and the connecting bushing have helical meshing guide projections and/or guide grooves. A pipe section for a drill pipe has on one of its ends a corresponding connecting plug and on the other end a corresponding connecting bushing.
First claim
Opening claim text (preview).
What is claimed as new and desired to be protected by Letters Patent is set forth in the appended claims and includes equivalents of the elements recited therein: 1. A plug connection for connecting two pipe sections of a drill pipe, comprising: a connecting plug disposed on one end of a first of the two pipe sections and comprising: one of a helical guide protrusion or a guide groove, a bearing surface defined radially about an exterior of the connecting plug for supporting a…
Assignees
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Classifications
Fixed Constructions · mapped topic
Fixed Constructions · mapped topic
Fixed Constructions · mapped topic
Fixed Constructions · mapped topic
- E21B7/002Primary
Fixed Constructions · mapped topic
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- What does patent US9290992B2 cover?
- A plug connection for connecting two pipe sections of a drill pipe has a connecting plug on one end of a first of the pipe sections and a connecting bushing on one end of the second pipe section. The connecting plug and the connecting bushing have helical meshing guide projections and/or guide grooves. A pipe section for a drill pipe has on one of its ends a corresponding connecting plug and on…
- Who is the assignee on this patent?
- Fischer Sebastian, Grobbel Raimund, Tracto Technik
- What technology area does this patent fall under?
- Primary CPC classification E21B7/002. Mapped technology areas include Fixed Constructions.
- When was this patent published?
- Publication date Tue Mar 22 2016 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).