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Johan Petter Johansson (December 12, 1853 – August 25, 1943), sometimes known as JP, was a Swedish inventor and industrialist. He invented a modern adjustable spanner [1] (patents in 1891 and 11 May 1892). He obtained over 100 patents in total.
While at the J. J. Walworth Company, he developed his pipe wrench. [2] On September 13, 1870, he was issued his patent. Stillson was paid about $80,000 in royalties during his lifetime. [3] He died on August 23, 1899, and is buried at Mount Auburn Cemetery in Cambridge and Watertown, Massachusetts.
An adjustable spanner (UK and most other English-speaking countries), also called a shifting spanner (Australia and New Zealand) [1] or adjustable wrench (US and Canada), [a] is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener size, as with a conventional fixed spanner.
Victor Leaton Ochoa (1850 Chihuahua, Mexico – 1945 Sinaloa, Mexico) was a Mexican American revolutionary, journalist, union leader, miner, prisoner and inventor. He is best known for his invention of the Ochoaplane, the electric brake, an adjustable wrench, a pen and pencil clip and a windmill.
Inventing the adjustable spanner Edwin Beard Budding (25 August 1796 – 25 September 1846 [ 1 ] ), an engineer born in Eastington, Stroud , Gloucestershire , was the English inventor of the lawnmower (1830) and adjustable spanner (1842).
The story of Bahco began in 1886 when the Swedish inventor Johan Petter Johansson (1853–1943) established his company Enköpings Mekaniska Verkstad in Enköping, Sweden. Johan Petter, also known as JP, was an inventor and industrialist. He invented the modern plumber wrench (1888) and adjustable wrench (patents in 1891 and 1892). [1]
The most common type of adjustable wrench in use today. The adjustable end wrench differs from the monkey wrench in that the gripping faces of the jaws are displaced to a (typically) 15 degree angle relative to the tool's handle, a design feature that facilitates the wrench's use in close quarters. The modern adjustable end wrench was invented ...
Johan Petter Johansson (1853–1943) built and patented the adjustable spanner/wrench in 1892. Gustaf de Laval (1845–1913) was a Swedish engineer and inventor who made important contributions to the design of steam turbines and dairy machinery. The most famous invention was the milk-cream separator.