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COFFING HOIST COMPANY

Overview
  • Total Patents
    31
About

COFFING HOIST COMPANY has a total of 31 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets packaging and shipping, machines and mechanical elements are KNUTE BERGER, COFFING FREDRICK W and MAXWELL MARINE LTD.

Patent filings in countries

World map showing COFFING HOIST COMPANYs patent filings in countries
# Country Total Patents
#1 United States 26
#2 Canada 3
#3 France 1
#4 United Kingdom 1

Patent filings per year

Chart showing COFFING HOIST COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Coffing Fredrick W 19
#2 Coffing Frederick W 7
#3 Johnston Raymond H 2
#4 Perry John R 1
#5 Coffing Fredrick Winfield 1

Latest patents

Publication Filing date Title
GB764940A Safety hook
US2658721A Automatic hoist and binder
US2658722A Automatic hoist and binder
US2678840A Shaft coupling
US2670176A Hoist
US2658723A Full automatic hoist
US2596326A Fabric belt hoist
US2581577A Hoist jack
US2658720A Tensioning and pulling device
US2595450A Releasing type hook
US2613967A Outboard mounting structure
US2519023A Threaded keylock structure
US2608432A Drop hook device
US2470019A Combination hoist, jack, and wire stretcher
US2556995A Multiple positionable handle tensioning device
US2487696A Combination tool and handle
US2464071A Tire transfer device for trucks and the like
US2490947A Collapsible multiple position handle
US2602625A Adjustable standard for vehicle jacks and the like
US2506705A Cable or chain jack