Inventor · disambiguated record
Claus Hoffjann
Also filed as: HOFFJANN CLAUS
54 granted patents·11 pending applications·570 citations·filing 2001–2020
98Inventor score
Top patents by PatentIndex Score
65 records- 0198US9897041B2Engine for propelling an aircraft and aircraft having at least one engine and at least one hydrogen tankAIRBUS OPERATIONS GMBH·Filed 2014·Granted Feb 20, 2018·39 cites·16 claims
- 0297US9541001B2Drive unit, method for providing power, and use of a drive unitAIRBUS OPERATIONS GMBH·Filed 2013·Granted Jan 10, 2017·34 cites·14 claims
- 0397US7592084B2Aeroplane drink dispenserAIRBUS GMBH·Filed 2006·Granted Sep 22, 2009·51 cites·12 claims
- 0496US8640439B2Hybrid drive for an aircraftHOFFJANN CLAUS·Filed 2007·Granted Feb 4, 2014·49 cites·6 claims
- 0591US10293945B2Aircraft having a redundant and efficient bleed systemAIRBUS OPERATIONS GMBH·Filed 2017·Granted May 21, 2019·13 cites·8 claims
- 0688US6640701B2Apparatus for compacting and draining mixed waste in passenger transport vehiclesAIRBUS GMBH·Filed 2001·Granted Nov 4, 2003·22 cites·15 claims
- 0787US10583935B2Supply system for providing at least oxygen depleted air and water in a vehicle and aircraft having such a supply systemAIRBUS OPERATIONS GMBH·Filed 2015·Granted Mar 10, 2020·6 cites·16 claims
- 0887US9882227B2Fuel cell system, a fire fighting system, and an aircraftAIRBUS OPERATIONS GMBH·Filed 2015·Granted Jan 30, 2018·3 cites·14 claims
- 0987US7036314B2Method for treating and distributing water generated in a self-contained water using unitAIRBUS GMBH·Filed 2003·Granted May 2, 2006·35 cites·33 claims
- 1086US9130204B2System for drying the exhaust gases from a fuel cell system using the existing liquid hydrogen as a heat sinkHOFFJANN CLAUS·Filed 2012·Granted Sep 8, 2015·6 cites·14 claims
- 1186US7659015B2Combined fuel cell systemAIRBUS GMBH·Filed 2007·Granted Feb 9, 2010·9 cites·30 claims
- 1286US7431238B2Arrangement and method for the generation of water on board an aircraftAIRBUS GMBH·Filed 2006·Granted Oct 7, 2008·8 cites·7 claims
- 1386US7118677B2Method and apparatus for processing and re-using of gray water for flushing toiletsAIRBUS GMBH·Filed 2003·Granted Oct 10, 2006·31 cites·23 claims
- 1485US7947164B2Aircraft with grey-water utilisation systemAIRBUS GMBH·Filed 2006·Granted May 24, 2011·16 cites·21 claims
- 1584US9350037B2Method for manufacturing a solid oxide fuel cell element by layer-wise buildup and solid oxide fuel cell elementAIRBUS OPERATIONS GMBH·Filed 2013·Granted May 24, 2016·4 cites·20 claims
- 1684US8256524B2Fire protection with fuel cell exhaust airBLEIL JULIKA·Filed 2006·Granted Sep 4, 2012·6 cites·19 claims
- 1782US8813860B2Fuel cell system for extinguishing firesBLEIL JULIKA·Filed 2006·Granted Aug 26, 2014·17 cites·19 claims
- 1882US7208239B2Fuel cell system and method with increased efficiency and reduced exhaust emissionsAIRBUS GMBH·Filed 2003·Granted Apr 24, 2007·23 cites·37 claims
- 1981US8141185B2Self-sustaining washroom for mobile useHOFFJANN CLAUS·Filed 2007·Granted Mar 27, 2012·18 cites·20 claims
- 2080US10516175B2Fuel cell system, a fire fighting system, and an aircraftAIRBUS OPERATIONS GMBH·Filed 2017·Granted Dec 24, 2019·1 cites·11 claims
- 2180US7739947B2Apparatus for preparing mealsAIRBUS GMBH·Filed 2006·Granted Jun 22, 2010·5 cites·9 claims
- 2276US8567516B2Fire protection with fuel cell exhaust airBLEIL JULIKA·Filed 2012·Granted Oct 29, 2013·4 cites·17 claims
- 2375US7629068B2Aircraft having integrated electrochemical supply systemAIRBUS GMBH·Filed 2005·Granted Dec 8, 2009·5 cites·14 claims
- 2475US7546981B2Drain system for an aircraftAIRBUS GMBH·Filed 2005·Granted Jun 16, 2009·13 cites·11 claims
- 2574US7954753B2Supply system for the energy supply in an aircraft, aircraft and method for supplying an aircraft with energyAIRBUS GMBH·Filed 2005·Granted Jun 7, 2011·14 cites·26 claims
- 2674US7648628B2Water treatment for an aircraftAIRBUS GMBH·Filed 2005·Granted Jan 19, 2010·5 cites·16 claims
- 2773US8034495B2Semi-autonomous central supply system for passenger seatsAIRBUS GMBH·Filed 2007·Granted Oct 11, 2011·2 cites·12 claims
- 2873US7108229B2Arrangement and method for the generation of water on board an aircraftAIRBUS GMBH·Filed 2004·Granted Sep 19, 2006·15 cites·14 claims
- 2972US8820362B2Protection of water conduits against frostROEDERER KARSTEN·Filed 2012·Granted Sep 2, 2014·4 cites·10 claims
- 3072US7759011B2Safety system for reducing the explosion risk of a fuel tankAIRBUS GMBH·Filed 2006·Granted Jul 20, 2010·10 cites·12 claims
- 3169US7731127B2Drain mast connectorAIRBUS GMBH·Filed 2006·Granted Jun 8, 2010·12 cites·11 claims
- 3267US7807315B2Rotable fuel cell systemAIRBUS GMBH·Filed 2005·Granted Oct 5, 2010·1 cites·16 claims
- 3367US7550218B2Apparatus for producing water onboard of a craft driven by a power plantAIRBUS GMBH·Filed 2003·Granted Jun 23, 2009·21 cites·34 claims
- 3466US11695127B2Bipolar plate for use in a fuel cell stackAIRBUS OPERATIONS GMBH·Filed 2020·Granted Jul 4, 2023·0 cites·15 claims
- 3566US10632333B2Supply system and method for providing electric energy, oxygen depleted air and water as well and aircraft having such a supply systemAIRBUS OPERATIONS GMBH·Filed 2018·Granted Apr 28, 2020·0 cites·9 claims
- 3666US8372554B2Hydride fuel-cell cooler and condensate cooler for aircraftAIRBUS DEUTSCHLAND·Filed 2007·Granted Feb 12, 2013·7 cites·11 claims
- 3764US7172702B2Method for using water in the processing of fuels for high temperature fuel cellsAIRBUS GMBH·Filed 2003·Granted Feb 6, 2007·6 cites·23 claims
- 3860US11158874B2Auxiliary power system for an airplane and an airplane with such an auxiliary power systemAIRBUS OPERATIONS GMBH·Filed 2019·Granted Oct 26, 2021·0 cites·14 claims
- 3960US10446863B2Auxiliary power system for an airplane and an airplane with such an auxiliary power systemAIRBUS OPERATIONS GMBH·Filed 2015·Granted Oct 15, 2019·1 cites·13 claims
- 4059US8910484B2System and process for the reduction of harmful substances in engine exhaust gasesHOFFJANN CLAUS·Filed 2009·Granted Dec 16, 2014·4 cites·12 claims
- 4158US10173086B2Supply system and method for providing electric energy, oxygen depleted air and water as well and aircraft having such a supply systemAIRBUS OPERATIONS GMBH·Filed 2015·Granted Jan 8, 2019·0 cites·13 claims
- 4258US8858878B2Water system for a vehicle and method for reducing germs in a water systemAIRBUS OPERATIONS GMBH·Filed 2012·Granted Oct 14, 2014·3 cites·15 claims
- 4357US8623559B2Fuel cell system with suction operation for an aircraftFRAHM LARS·Filed 2008·Granted Jan 7, 2014·5 cites·16 claims
- 4457US8019464B2Sorting device and method for sorting goods in transit for an aircraftAIRBUS GMBH·Filed 2007·Granted Sep 13, 2011·4 cites·21 claims
- 4557US7980513B2Water-wastewater module for aircraftAIRBUS GMBH·Filed 2006·Granted Jul 19, 2011·5 cites·17 claims
- 4657US7767359B2Device for producing water on board of an airplaneAIRBUS GMBH·Filed 2003·Granted Aug 3, 2010·13 cites·22 claims
- 4757US7731126B2Autonomous passenger seatAIRBUS GMBH·Filed 2007·Granted Jun 8, 2010·4 cites·13 claims
- 4856US8341773B2System for flushing a vacuum toilet and toilet cover for a system of this typeAIRBUS OPERATIONS GMBH·Filed 2006·Granted Jan 1, 2013·3 cites·4 claims
- 4952US2008178609A1Combined cooling and heating systemAIRBUS GMBH·Filed 2007·Application pending·0 cites
- 5052US2013312871A1Refueling platform for filling a vehicle tank with liquid hydrogenAIRBUS OPERATIONS GMBH·Filed 2013·Application pending·0 cites
Showing the top 50 of 65 patent records by PatentIndex Score.
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