Circuit interrupters with air trap regions in fluid reservoirs
US-9576757-B2 · Feb 21, 2017 · US
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Opfer John C patents
Opfer John C is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Opfer John C |
| Total patents | 3 |
| First publication | Feb 3, 2015 |
| Latest publication | Feb 21, 2017 |
Notable patents
Publications ranked by popularity score, then publication date.
Circuit interrupters with air trap regions in fluid reservoirs
US-2015294819-A1 · Oct 15, 2015 · US
Pole unit housing for electrical switchgear
US-D722030-S · Feb 3, 2015 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| S & C Electric Co | 3 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H01H33/55 | 2 |
| H01H2009/0292 | 2 |
| H01H33/6661 | 2 |
| H01H2033/6623 | 2 |
| H01H33/56 | 2 |