In 1908, Maschinenfabrik Julius Wolff & Co. introduced the first series of tower cranes specifically designed for the construction industry.
Potain and Liebherr followed during the second world war.
In 1975, the Danish company Kroll became manufacturer of the world’s tallest and biggest tower crane, the K-10 000.
One of the first hydraulic excavators, was produced by Poclain France, in 1951.
The Ferwerda brothers, who moved from the Netherlands to the U.S. produced the excavation motion and was launched in 1941.
The idea for the concrete pump was patented in the US in 1913. It wasn’t until 1927 in Germany when chief engineer Fritz Hell began the first successful design of a concrete pump. A Dutchman named J.C. Kooyman further developed the pump.
By 1959, another German firm, Schwing, had manufactured a fully hydraulic pump.
On March 23, 1857 the first Otis passenger elevator was installed at 488 Broadway in New York City. The first construction hoist was introduced in 1951 by Alimak of Sweden.
The U.S. crane manufacturer Northwest Engineering mounted it first crane on crawler tracks in the 1920s.
In 1935, Ruston-Bucyrus introduced the 22-RB crawler crane, which remained popular for decades.
In 1941 Manitowoc designed the M3900 heavy crawler crane, capable of lifting 103.5 tons.
Reinforced concrete was invented by Joseph Monier in 1849 and received a patent in 1867.
Early 1900s saw buildings that used reinforced concrete in their construction began popping up all over the world, especially in the United States and Europe.
John MacAdam, a Scottish developed the bituminous material for road-paving applications in 1815.
The first mechanical asphalt paver was introduced in the United States in 1931 by Barber-Greene Co.
The Diesel engine was invented by German engineer Rudolf Diesel, 1858 to 1913.
After R. Diesel death the petroleum industry was rapidly developing and produced a cheap by-product "diesel fuel".
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