NORTHWEST AIRLINES INC has a total of 13 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets it methods for management, measurement and chemical engineering are SANWA BANK LTD, DISCOVER FINANCIAL SERVICES LL and TAN JIE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Australia | 2 | |
#3 | WIPO (World Intellectual Property Organization) | 2 | |
#4 | Canada | 1 | |
#5 | China | 1 | |
#6 | EPO (European Patent Office) | 1 | |
#7 | Hong Kong | 1 |
# | Industry | |
---|---|---|
#1 | IT methods for management | |
#2 | Measurement | |
#3 | Chemical engineering | |
#4 | Machines | |
#5 | Consumer goods | |
#6 | Engines, pumps and turbines | |
#7 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Data processing systems | |
#2 | Cleaning | |
#3 | Hand carried bags | |
#4 | Jet-propulsion plants | |
#5 | Unspecified technologies | |
#6 | Fire-fighting | |
#7 | Spraying devices | |
#8 | Analysing materials | |
#9 | Measuring length, angles and areas |
# | Name | Total Patents |
---|---|---|
#1 | Astelford Jacqueline K | 4 |
#2 | Mcmahon Dirk C | 4 |
#3 | Lenza Adolfo M | 4 |
#4 | Murr Todd E | 4 |
#5 | Doehring Thomas A | 3 |
#6 | Diamond Edward M | 3 |
#7 | Free David M | 2 |
#8 | Reitz Frank J | 2 |
#9 | Jacqueline K Astelford | 1 |
#10 | Medin Wesley V | 1 |
Publication | Filing date | Title |
---|---|---|
EP1423808A2 | Remote airline check-in using a global computer network | |
WO9832351A1 | Durable luggage container | |
US5167720A | High pressure water treatment method | |
US5162659A | Method and apparatus for noncontact inspection of engine blades | |
US5197500A | Combustion chamber cleaning machine | |
US3280562A | Thrust reversing device for fan type jet engines | |
US2536694A | Smoke detection and extinguishing system |