Inventor

Gunnar Asplund

Inventor

Ludvika, SE

Overview

1980–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 60 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Mprimary

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems16%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution16%

H02JElectric power networks14%

B60LPropulsion of electrically-propelled vehicles8%

B60MPower supply lines, and devices along rails, for electrically- propelled vehicles7%

H02HEmergency protective circuit arrangements6%

Y02TClimate change mitigation technologies related to transportation4%

H01RElectrically-conductive connections3%

H03KPulse technique3%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h103%

PatentTitleYear

10,052,959Weatherproof track and contact for electrical feeding of road vehicles2018 9,208,979'High voltage DC breaker apparatus'2015 9,199,541'System adapted for one or more electrically propellable vehicles (arm-shaped contact means)'2015 9,162,577'System adapted for one or more electrically propellable vehicles (contact means)'2015 9,035,486'System adapted for one or more electrically propellable vehicles (detector arrangement)'2015 9,024,421'Connection arrangement for semiconductor power modules'2015 8,875,857'System adapted for one or more electrically propellable vehicles (a snow plough arrangement)'2014 8,867,241'Method of upgrading a plant for transmitting electric power and such a plant'2014 8,851,252'System adapted for one or more electrically propellable vehicles (cleansing means)'2014 8,851,253'System adapted for one or more electrically propellable vehicles (battery charging arrangement)'2014 8,830,636'High voltage DC switchyard with semiconductor switches'2014 8,794,410'System adapted for one or more vehicles, which may be driven forward electrically'2014 8,776,970'System adapted for one or more electrically propellable vehicles (letting water pass by electrical conductors)'2014 8,776,969'Overload restriction in system for electrical vehicles'2014 8,763,774'System adapted for one or more electrically propellable vehicles (rail structure)'2014 8,763,773'System adapted for one or more electrically propellable vehicles (arrangement for metal detection)'2014 8,737,096'Tapping power from a HVDC transmission system'2014 8,716,893'Voltage in a voltage source converter, a voltage source converter and a method for control thereof'2014 8,717,786'Plant for transmitting electric power utilizing asymmetric operation of voltage source converters'2014 8,665,617'Plant for transmitting electric power'2014 8,629,351'DC cable for high voltages'2014 8,611,113'Fault protection in voltage source converters with redundant switching cells via mechanical switches being closed pyrotechnically'2013 8,467,163'Protecting apparatus'2013 8,422,257'Voltage source converter'2013 8,422,260'Arrangement for voltage conversion'2013 8,422,254'Voltage source converter'2013 8,410,883'High voltage dry-type reactor for a voltage source converter'2013 8,400,796'Power converter with distributed cell control'2013 8,385,097'Method for controlling a voltage source converter and a voltage converting apparatus'2013 8,345,457'Voltage source converter for high voltage direct current power transmission'2013 8,339,823'Voltage source converter'2012 8,289,736'Conversion of AC lines to HVDC lines'2012 8,044,537'Modular HVDC converter'2011 8,044,297'Ground electrode'2011 7,939,751'Land electrode'2011 7,321,500'Electric power converter'2008 6,898,095'Bidirectional VSC converter with a resonant circuit'2005 6,519,169'Multiphase inverter with series of connected phase legs'2003 6,278,314'Electric circuit'2001 6,205,039'Device for supervising a high voltage converter station'2001 6,185,116'HVDC power transmission system with cooling and switching device temperature detection'2001 6,151,201'Gas-insulated high-voltage semiconductor valve means'2000 6,144,567'Plant for transmitting electric power, including VSC-converter and DC/DC-converter'2000 6,084,787'Device for supervising in a high voltage converter station'2000 5,999,388'Method and apparatus for limiting current in a direct voltage network of a power transmission system'1999 5,980,095'Plant for transmitting electric power'1999 5,969,956'Method and a device for communication in a high voltage converter station'1999 5,872,707'SVC converter with an extra phase leg to replace a failed phase leg'1999 5,644,485'Converter connection with a balancing circuit'1997 5,644,482'HVDC transmission system with multiple converter stations'1997 5,517,378'Direct-current breaker for high power for connection into a direct-current carrying high-voltage line'1996 5,371,651'Power semiconductor valve device for outdoor location'1994 5,323,330'Reduction of disturbances in a power network'1994 5,296,764'Reduction of disturbances in a power network'1994 5,249,114'Arrangement of a valve stack for high voltage direct current in a valve hall'1993 5,117,323'Electrode line protection'1992 4,377,835'Recovery protection device for a thyristor valve'1983 4,360,864'Voltage divider for a thyristor valve control circuit'1982 4,333,137'Thyristor switch with transient protection and RF interference suppression'1982 4,237,509'Thyristor connection with overvoltage protection'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2014Based in Ludvika, SE· patent location history

1992–2000Patents assigned to ASEA BROWN BOVERI (13)· patent assignee history

2000–2005Patents assigned to ABB AB (6)· patent assignee history

2012–2015Patents assigned to ASPLUND GUNNAR (31)· patent assignee history

2012–2015Patents assigned to ABB TECHNOLOGY AG (17)· patent assignee history

2012–2018Based in Solna, SE· patent location history

2014–2018Patents assigned to ELWAYS AB (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ASPLUND GUNNARself	31	2012–2015
ABB TECHNOLOGY AG	17	2012–2015
ASEA BROWN BOVERI	13	1992–2000
ELWAYS AB	12	2014–2018
ABB AB	6	2000–2005

Locations

Location	Patents	Span
Ludvika, SE	33	1980–2014
Solna, SE	27	2012–2018