Butler Engineering LLC
2Patents
2Active
2Granted
41Portfolio score
Filing activity: Nov 7, 2012 → Oct 20, 2014
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8873211B1 | Performance and isolation improvements for digitally controlled AC attenuation and protection circuits | Electricity | 7 | Active |
| US9178352B2 | Performance and isolation improvements for digitally controlled AC attenuation and protection circuits | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.