Telemetry operated tools for cementing a liner string
US-10808508-B2 · Oct 20, 2020 · US
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Purkis Daniel patents
Purkis Daniel is listed as an inventor on 7 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Purkis Daniel |
| Total patents | 7 |
| First publication | Oct 2, 2018 |
| Latest publication | Oct 20, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Choke
US-10724333-B2 · Jul 28, 2020 · US
Choke
US-2019353004-A1 · Nov 21, 2019 · US
Choke
US-10428621-B2 · Oct 1, 2019 · US
Antenna for use in a downhole tubular
US-10262168-B2 · Apr 16, 2019 · US
Telemetry operated tools for cementing a liner string
US-2019032456-A1 · Jan 31, 2019 · US
Telemetry operated tools for cementing a liner string
US-10087725-B2 · Oct 2, 2018 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Weatherford Tech Holdings Llc | 7 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B47/138 | 4 |
| E21B2200/02 | 3 |
| E21B34/08 | 3 |
| E21B34/14 | 3 |
| E21B34/066 | 3 |