Non-liquid immersed transformer
US-12400780-B2 · Aug 26, 2025 · US
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Murillo Rafael patents
Murillo Rafael is listed as an inventor on 23 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Murillo Rafael |
| Total patents | 23 |
| First publication | Dec 15, 2015 |
| Latest publication | Aug 26, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Transformer installation
US-2024186051-A1 · Jun 6, 2024 · US
Coil for a transformer assembly
US-2024186058-A1 · Jun 6, 2024 · US
Coil for a transformer core
US-2024013968-A1 · Jan 11, 2024 · US
Method for making a dry-type transformer, dry-type transformer obtained from said method, and dielectric barrier arrangement for electrically isolating a coil of a transformer assembly
US-2023048934-A1 · Feb 16, 2023 · US
A non-liquid immersed transformer
US-2022336137-A1 · Oct 20, 2022 · US
A non-liquid immersed transformer
US-2022328234-A1 · Oct 13, 2022 · US
Non-liquid immersed transformers with improved coil cooling
US-11355273-B2 · Jun 7, 2022 · US
Insulating transformers
US-11355278-B2 · Jun 7, 2022 · US
Insulation of non-liquid immersed transformers
US-11335498-B2 · May 17, 2022 · US
Recent patents
Latest publications not already listed above.
Insulation of non-liquid immersed transformers
US-2021050145-A1 · Feb 18, 2021 · US
Insulating transformers
US-2020402708-A1 · Dec 24, 2020 · US
High voltage winding and a high voltage electromagnetic induction device
US-10872721-B2 · Dec 22, 2020 · US
Non-liquid immersed transformers with improved coil cooling
US-2020388430-A1 · Dec 10, 2020 · US
Dry type cast transformer with flexible connection terminal
US-10755851-B2 · Aug 25, 2020 · US
Cooling arrangement
US-10643777-B2 · May 5, 2020 · US
High Voltage Winding And A High Voltage Electromagnetic Induction Device
US-2020013543-A1 · Jan 9, 2020 · US
Transformers with alternately radially disposed first and second conductors
US-10319510-B2 · Jun 11, 2019 · US
Dry type cast transformer with flexible connection terminal
US-2018247757-A1 · Aug 30, 2018 · US
Cooling arrangement
US-2017358390-A1 · Dec 14, 2017 · US
Dry-type transformer and method of manufacturing a dry-type transformer
US-9424974-B2 · Aug 23, 2016 · US
Transformers
US-2016118181-A1 · Apr 28, 2016 · US
Single- or multi-phase dry-type transformer having at least two coils
US-9214265-B2 · Dec 15, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hitachi Energy Switzerland Ag | 7 |
| Abb Schweiz Ag | 7 |
| Abb Technology Ag | 3 |
| Hitachi Energy Ltd | 3 |
| Abb Power Grids Switzerland Ag | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H01F27/24 | 12 |
| H01F27/32 | 10 |
| H01F2027/328 | 8 |
| H01F27/324 | 8 |
| H01F27/2876 | 7 |