Inventor

ERIKSSON LEIF

SE24 patents

⚠️ This page may combine multiple inventors who share the name “ERIKSSON LEIF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ERIKSSON LEIF

ASEA BROWN BOVERI

Method and a device for determining a fault on a transmission line

Phase selection for ground fault

Method and device for identifying single ground faults

Method and device for measuring and recreating the load current in a power network in connection with the occurrence of faults

Fault current filter

Method and device for preventing overstabilization of longitudinal differential protection in case of internal fault

Method and apparatus for detecting flashover between conductors in power transmission lines of different voltage levels suspended in parallel from the same towers

ASEA AB

Multiphase blocking circuitry for electrical power supply networks

Multiphase fault protection circuitry with variable functional level detection

Multiphase undervoltage tripping circuitry for electrical power supply networks

Phase selective device

Filtering arrangement for relay protection devices

AMC CENTURION AB

Antenna device and method for transmitting and receiving radio waves

Antenna device for transmitting and/or receiving radio frequency waves and method related thereto

Antenna device and method for transmitting and receiving radio waves

ALLGON AB

Antenna device for transmitting and/or receiving RF waves

Antenna device and a radio communication device including an antenna device

CYPAK AB

Tamper evident packaging

SVENSKA ROTOR MASKINER AB

Rotary displacement compressor with liquid circulation system

SVENSKA TRAEFORSKNINGSINST

Method and means for measuring web tension in paper or foils

ERIKSSON LEIF

Device for cooling chimney gases

ERICSSON TELEFON AB L M

Methods and devices relating to circuit board constructions

KREKULA HAKAN

Expandable mine bolt

C26 BIOSCIENCE AB

Tetrazole derivatives as cytochrome P450 inhibitors