| E-T-A Series | Patent Number |
|---|---|
| X3120-U | US 5,834,996 |
| 4130 | US 6,040,747 |
| X8340-S | US 6,191,948 B1 |
| 1610-H2 | US 6,590,489 B1 |
| X3140-U | US 6,714,396 B2 |
| ESS/ESX | US 6,490,141 B2 |
| 4120-G4 and 9510 (Threadneck) | US 6,509,823 B2 |
| 9510 | US 7,038,562 B1 |
| X8345-R | US 7,532,095 B2 |
| Circuit breaker in parallel to POWER-MOSFET (included in P-PLEX-M) | US 7,633,022 B2 |
| 4220 Modularity | US 8,098,119 B2 |
| 4220 Release Mechanism | US 7,978,033 B2 |
| 4220 Quenching Chamber | US 7,834,290 B2 |
| AFD01 (*) | US 7,834,614 B2 |
| ESX-T/ESX-T-P/ESS31-T | US 8,237,311 B2 |
| 1620/1626 | US 8,576,042,B2 |
| PVDIS/PVREM/PVSEC | US 8,742,828 B2 |
| Fail-Safe-Element of PVDIS/PVREM/PVSEC | US 8,766,760 B2 |
Status: 2014-10-20|'(*) The AFD01 can be deleted, if not listed in the catalogue.