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NORTHROP AIRCRAFT INC

Overview
  • Total Patents
    524
About

NORTHROP AIRCRAFT INC has a total of 524 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets transport, machines and environmental technology are GLENN L MARTIN CO, CHANCE VOUGHT AIRCRAFT INC and CONS VULTEE AIRCRAFT CORP.

Patent filings in countries

World map showing NORTHROP AIRCRAFT INCs patent filings in countries
# Country Total Patents
#1 United States 434
#2 United Kingdom 85
#3 Canada 4
#4 Germany 1

Patent filings per year

Chart showing NORTHROP AIRCRAFT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feeney Thomas A 20
#2 Northrop John K 19
#3 Hagen Glenn E 17
#4 Williams Charles R 14
#5 Hancock Robert D 12
#6 Motis Gilbert M 10
#7 Taylor Philip H 9
#8 Pavlecka Vladimir H 9
#9 Ashkenas Irving L 9
#10 Crandall Ronald E 8

Latest patents

Publication Filing date Title
US2981548A Elevating trailer with laterally shiftable frame
GB852305A Electro-hydraulic vibration machine
US2897694A Umbrella clamp
US2871709A Self-integrating flicker control actuator
US2886010A Closed loop servo system with magnetic feedback means
US2886339A Collapsible cargo carrying dolly
US2881873A Constant loading device
GB808253A Machine for shaping blanks of solid materials
US2871698A Pressure integrating system
US2881660A Projector system
US2846092A Dolly including a winch mechanism
GB808593A Improvements in or relating to roller bearing and brake assemblies
US2876677A Airborne missile to carrier aircraft attachment arrangement
US2826871A Wire stripper
GB801159A Improvements in or relating to trailer
US2876681A First round recoil reducer for automatic guns
US2816680A Non-seize receptacle door
US2887680A Backlash detector apparatus
US2871830A Variable authority servo
US2823035A Target towing and exchange apparatus