Inventor

Berthold Keppeler

Inventor
Owen, DE

Overview

23→
Patents
2002–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 23 as inventor

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

Y02Tprimary
Y02TClimate change mitigation technologies related to transportation19%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general17%
Y02ATechnologies for adaptation to climate change12%
F02DControlling combustion engines10%
B01DSeparation8%
F02BInternal-combustion piston engines6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof5%
C01BNon-metallic elements4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
11,053,832Method for operating an exhaust system, in particular of a motor vehicle202111,015,504Method for operating an internal combustion engine of a motor vehicle, in particular a motor car202110,113,460Method for adjusting the temperature of an exhaust gas aftertreatment device201810,094,265Method for monitoring the formation of nitrogen dioxide at an oxidation catalytic converter, and exhaust system20189,657,620'Exhaust gas system'20179,482,126'Method for operating an exhaust gas system of a motor vehicle, and exhaust gas system for an internal combustion engine of a motor vehicle'20169,458,799'Method for operating motor vehicle internal combustion engine'20169,429,053'Method and device for operating an internal combustion engine comprising an exhaust gas cleaning unit'20169,157,356'Method for operating a motor vehicle diesel engine'20158,833,059'Motor-vehicle internal combustion engine with exhaust-gas recirculation'20148,806,851'Method for reducing emission of nitrogen oxide in a motor vehicle having a lean burning internal combustion engine'20148,763,366'Method for operating an internal combustion engine'20148,429,897'Method for operating an internal combustion engine'20138,181,445'Device and method for exhaust gas aftertreatment'20128,091,339'Method for operating an internal combustion engine'20128,061,122'Device for removing nitrogen oxides from internal combustion engine waste gas and method for dosing an aggregate of internal combustion engine waste gas'20117,765,797'Exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and associated operating method'20107,160,523'Device for producing hydrogen-containing gas for a fuel cell system'20077,152,394'System and method for reducing nitrogen oxides in the exhaust of an internal combustion engine'20066,713,202'Multifuel fuel cell system and a method for its operation'20046,669,923'Gas generator'20036,588,211'Motor vehicle with a drive combustion engine'20036,432,871'Process for manufacturing a catalyst body for generating hydrogen and a catalyst body for generating hydrogen'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2004Based in Kirchheim, DE· patent location history
2003–2004Patents assigned to BALLARD POWER SYSTEMS (2)· patent assignee history
2003–2021Based in Owen, DE· patent location history
2010–2021Patents assigned to DAIMLER AG (17)· patent assignee history
2011–2016Patents assigned to KEPPELER BERTHOLD (8)· patent assignee history
2011–2014Patents assigned to PAULE MARKUS (5)· patent assignee history
2011–2013Patents assigned to CHRISTNER BERND (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIMLER AG172010–2021
KEPPELER BERTHOLDself82011–2016
PAULE MARKUS52011–2014
CHRISTNER BERND32011–2013
BALLARD POWER SYSTEMS22003–2004
Locations
LocationPatentsSpan
Owen, DE212003–2021
Kirchheim, DE22002–2004