Internal closed loop cooling
US-10615666-B2 · Apr 7, 2020 · US
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Patrick Charles patents
Patrick Charles is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Patrick Charles |
| Total patents | 10 |
| First publication | Aug 6, 2015 |
| Latest publication | Apr 7, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Trim for choke
US-10472923-B2 · Nov 12, 2019 · US
Multi-speed electric motor
US-9919903-B2 · Mar 20, 2018 · US
Methods for coupling permanent magnets to a rotor body of an electric motor
US-2018048199-A1 · Feb 15, 2018 · US
Internal closed loop cooling
US-2018006531-A1 · Jan 4, 2018 · US
Methods for coupling permanent magnets to a rotor body of an electric motor
US-9819236-B2 · Nov 14, 2017 · US
Internal closed loop cooling
US-9793781-B2 · Oct 17, 2017 · US
Trim for choke
US-2016123099-A1 · May 5, 2016 · US
Multi-Speed Electric Motor
US-2015263660-A1 · Sep 17, 2015 · US
Internal closed loop cooling
US-2015222159-A1 · Aug 6, 2015 · 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 |
|---|---|
| Canrig Drilling Tech Ltd | 9 |
| Smith International | 1 |
| Nabors Drilling Tech Usa Inc | 1 |
| Mi Llc | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H02K9/18 | 4 |
| H02K9/227 | 4 |
| H02K5/207 | 4 |
| H02K5/20 | 3 |
| F16K31/1223 | 2 |