Electrical medium or high voltage switching device
US-9627153-B2 · Apr 18, 2017 · US
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Heiermeier Helmut patents
Heiermeier Helmut is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Heiermeier Helmut |
| Total patents | 3 |
| First publication | Oct 1, 2015 |
| Latest publication | Apr 18, 2017 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Abb Schweiz Ag | 2 |
| Abb Technology Ag | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H01H33/91 | 2 |
| H01H33/64 | 2 |
| H01H33/904 | 2 |
| H01H3/46 | 2 |
| H01H3/00 | 2 |