Inventor
HOFMANN LOTHAR
DE27 patents
⚠️ This page may combine multiple inventors who share the name “HOFMANN LOTHAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
20 patentsUS6539708B1Apr 1, 2003
Metering system
SIEMENS AG193 citations99
US5884475AMar 23, 1999
Method and device for introducing liquid into an exhaust-gas purification system
SIEMENS AG325 citations99
US6273120B1Aug 14, 2001
Device for introducing a liquid reducing agent into an exhaust gas purification system
SIEMENS AG107 citations98
US6401449B1Jun 11, 2002
Expanded grid static mixer
SIEMENS AG80 citations97
US6223526B1May 1, 2001
Dual compartment fuel storage tank
SIEMENS AG93 citations97
US6082102AJul 4, 2000
NOx reduction system with a device for metering reducing agents
SIEMENS AG106 citations97
US6444177B1Sep 3, 2002
Process and device for the catalytic cleaning of the exhaust gas from a combustion plant
SIEMENS AG161 citations96
US6442932B1Sep 3, 2002
Method and device for the catalytic reduction of nitrogen oxides contained in the off-gas from a combustion system
SIEMENS AG73 citations95
US6209313B1Apr 3, 2001
Method of reducing the Nox content in the exhaust gas of a diesel internal combustion engine
SIEMENS AG60 citations95
US5974789ANov 2, 1999
Method and device for decomposing nitrogen oxides in the exhaust gas of an internal combustion engine
SIEMENS AG54 citations95
US6620391B2Sep 16, 2003
Process for the catalytic cleaning of the exhaust gas from a combustion plant
SIEMENS AG52 citations94
US5943858AAug 31, 1999
Premixing chamber for an exhaust gas purification system
SIEMENS AG77 citations94
US5785937AJul 28, 1998
Method for the catalytic conversion of nitrogen oxides present in the exhaust gas of an internal-combustion engine
SIEMENS AG85 citations93
US6553755B2Apr 29, 2003
Expanded grid static mixer
SIEMENS AG29 citations92
US6475453B1Nov 5, 2002
Configuration for decomposing nitrogen oxides in a gas stream and method for using the configuration
SIEMENS AG26 citations92
US6470676B2Oct 29, 2002
Method for the catalytic conversion of nitrogen oxides contained in the exhaust gas of an internal combustion engine
SIEMENS AG32 citations92
US6408619B1Jun 25, 2002
Method and device for reducing the nitrogen oxides in the exhaust gas of a combustion system
SIEMENS AG39 citations92
US6471927B2Oct 29, 2002
Process for converting urea into ammonia
SIEMENS AG14 citations83
US6343468B1Feb 5, 2002
Method and device for controlling a combustion system and for catalytic cleaning of exhaust gas, and combustion system
SIEMENS AG18 citations83
US6737033B1May 18, 2004
Method and device for the catalytic removal of a pollutant contained in an exhaust gas of a combustion system
SIEMENS AG12 citations74