Inventor

Olaf Hunger

Inventor

Schaffhausen, CH

Overview

2001–2014

Patent span

Electricity

Primary field (CPC H)

Patents· 15 as inventor

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

H01Hprimary

H01HElectric switches88%

F16KValves6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

8,822,868'Gas-insulated high-voltage power circuit breaker'2014 8,546,716'Gas-blast circuit breaker with a radial flow opening'2013 8,415,578'Circuit breaker with a gear having a dead point'2013 8,410,388'Self-blowout circuit breaker having a filling and overpressure valve'2013 8,263,892'Gas-insulated high-voltage switch'2012 7,994,442'Rack gear for electrical circuit breaker'2011 7,932,476'Transmission for an electrical circuit breaker'2011 7,902,478'Switching chamber for a gas-insulated high-voltage switch'2011 7,619,177'Nozzle fastening for electrical switching apparatus'2009 7,566,842'Switching chamber and heavy-duty circuit breaker'2009 7,514,635'Shaft, method for producing it and device for carrying out the method'2009 7,507,932'Heavy-duty circuit breaker with movement reversal'2009 6,943,307'Switching device'2005 6,429,394'Power breaker'2002 6,227,239'Spring-loaded safety valve'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2014Based in Schaffhausen, CH· patent location history

2002–2005Patents assigned to ABB SCHWEIZ AG (2)· patent assignee history

2009–2014Patents assigned to ABB TECHNOLOGY AG (11)· patent assignee history

2012–2014Patents assigned to HUNGER OLAF (5)· patent assignee history

2012–2013Patents assigned to NUFER JUERG (4)· patent assignee history

2012–2013Patents assigned to KRIEGEL MARTIN (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ABB TECHNOLOGY AG	11	2009–2014
HUNGER OLAFself	5	2012–2014
NUFER JUERG	4	2012–2013
KRIEGEL MARTIN	3	2012–2013
ABB SCHWEIZ AG	2	2002–2005

Locations

Location	Patents	Span
Schaffhausen, CH	15	2001–2014