Learn more

SEM AB

Overview
  • Total Patents
    157
  • GoodIP Patent Rank
    60,685
  • Filing trend
    ⇧ 233.0%
About

SEM AB has a total of 157 patent applications. It increased the IP activity by 233.0%. Its first patent ever was published in 1989. It filed its patents most often in Sweden, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, measurement and electrical machinery and energy are PRUEFREX ENG E MOTION GMBH & CO KG, IIDA DENKI KOGYO KK and OPTIMIZER CONTROL CORP.

Patent filings per year

Chart showing SEM ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bengtsson Joergen 27
#2 Olsson Johan 26
#3 Ottosson Lars-Olof 20
#4 Gustafsson Bert 20
#5 Bengtsson Jörgen 19
#6 Bengtsson Jorgen 17
#7 Aahs Wilgot 14
#8 Kihlberg Johan 8
#9 Almkvist Goeran 6
#10 Ahs Wilgot 6

Latest patents

Publication Filing date Title
SE1851503A1 Crankshaft driven flywheel magneto generator with circular winding for power supply in handheld batteryless combustion engines
SE1851043A1 An ignition system and method controlling spark ignited combustion engines
SE1750783A1 Spark plug extension
SE1750210A1 Inductive position sensor with improved plunger core design
WO2015075235A1 Engine management using knock data
WO2014180927A1 System and method for controlling the performance of an engine
WO2013172771A1 Spark plug extension
EP2836699A1 Ignition system including a measurement device for providing measurement signals to a combustion engine's control system
US2015032361A1 Engine for vehicle using alternative fuels
EP2810038A1 Method for monitoring a combustion engine
CN102713551A Device and method for analysing a performance of an engine
BR112012010611A2 method and control system of an ignition system
CA2713170A1 A system for energy support in a cdi system
EP1972898A1 Temperature compensated inductance measurement
SE0600752L Method and apparatus for increasing the spark energy in capacitive ignition systems
RU2395705C2 Device and method of communication between small ice and external computer
AU2002330347A1 Method for measuring the airflow in an internal combustion engine
EP1186894A1 Angular speed sensor with reference mark
AU4897701A A method for measuring cylinder specific parameters in a combustion engine
US6766787B2 Magnetic ignition system