명칭: 제품 원산지
1884년 미국 미네소타 주 세인트 폴에서 Frank Johnson 과 Oliver Crosby에 의해 Franklin Manufacturing Company가 창설됨.
회사 명칭이 American Manufacturing Co.로 변경.
회사 명칭이 American Hoist & Derrick으로 변경.
회사 명칭이 “Amdura”로 변경.
“Amdura”의 리프팅 제품 라인이 개인 투자자 그룹에게 매수 되면서 이름이American Crane로 변경.
American Crane이 Terex 로 합병.
|Lattice Crawler Crane||false||true|
American Manufacturing Company awarded its first patent for friction drums used in hoisting equipment.
American Manufacturing Company introduces the Crosby Clip, an ingenuous devise used for fastening wire rope which still sells by the million in 1980s.
Introduction of steam powered hoists.
Introduction of largest electric hoists available up to 15 HP.
Invention of a first mobile crane, called “Traveling Derrick”, a combination of revolving derrick and a steam hoist mounted on rail-car type wheels.
Builds largest locomotive crane for the US navy with 45 tons lifting capacity.
Designed the Railroad Ditcher, a shovel which revolutionized the Railroad industry.
American Hoist creates the first Crawler Crane.
Designed first 250 ton derrick.
Sky Horse invented.
Design of M-3000, the first ship-mounted revolver crane with lifting capacity of 3,000 tons.
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