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EASTERN ROTORCRAFT CORP

Overview
  • Total Patents
    87
About

EASTERN ROTORCRAFT CORP has a total of 87 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets transport, machines and packaging and shipping are ANCRA CORP, RATCLIFF RALPH A and FILDES FREDERICK K.

Patent filings in countries

World map showing EASTERN ROTORCRAFT CORPs patent filings in countries
# Country Total Patents
#1 United States 40
#2 Canada 25
#3 United Kingdom 22

Patent filings per year

Chart showing EASTERN ROTORCRAFT CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richard Huber John 22
#2 Campbell Harris S 18
#3 Huber John R 14
#4 Arnold Garland 2
#5 Huber J 2
#6 Garland Arnold 2
#7 Marsh John C 2
#8 Huber John Richard 2
#9 Jennings A 1
#10 Smith Arthur W 1

Latest patents

Publication Filing date Title
US3845978A Swivelled cargo release device
US3744759A Control for cable reel
US3718315A Strap adjuster devices
US3683355A Cable load indicator
US3493260A Safety hook
US3224804A Automatic loading cargo release
US3180623A Strap tie down devices
US3158357A Cargo pick-up for helicopter type aircraft
US3178216A Cargo pallet construction
US3063569A Friction type holder device
US3099055A Strap tensioning device
US3081121A Control mechanism for cargo release devices
GB890178A Improvements in or relating to cargo handling devices, especially for helicopters
US3071348A Adjusting and tensioning device
US3032365A Device for engaging and releasing loads
US3046045A Universal sling systems
GB871392A Improvements in rope-engaging devices with relative speed-control braking means
US3028188A Limit stop for cargo release mechanism
US2998625A Strap type securing apparatus
US2976955A Velocity control mechanism for rope device