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The first dehumidifier was created by American inventor Willis Carrier in 1902 to dehumidify a Brooklyn printing plant. [3] Carrier cited the discovery as later motivating further discoveries in air conditioning. [1] These "active" dehumidifiers condensed water from air.
The brand was originally created for a line of refrigerators. Other products sold under the Coldspot brand included freezers, dehumidifiers, and window air conditioning units. Many of these products were manufactured for Sears by Seeger Refrigeration, which was purchased by Sunbeam, giving the new name Seeger-Sunbeam.
The first Kenmore washing machine was introduced in 1927. [6] The first Kenmore vacuum cleaners were introduced in 1932. In 1976, Sears expanded the Kenmore name to its line of refrigerators, freezers, air conditioners, and dehumidifiers, which were previously branded as Coldspot .
[132] to take azimuths, altitude, time and declination while making observations [failed verification] Also known as an altitude Instrument, the equatorial sextant was first invented and made by William Austin Burt. He patented it in November 1856, in the United States as U.S. patent #16,002. [133] 1857 Toilet paper (mass-produced and rolled)
B. Babbitt (alloy) Baby monitor; Bait car; Ballistic electron emission microscopy; Balloon catheter; Ballpoint pen; Banjo clock; Barbed wire; Barcode; Barcode reader
The following articles cover the timeline of United States inventions: . Timeline of United States inventions (before 1890), before the turn of the century Timeline of United States inventions (1890–1945), before World War II
The result is an extremely low-density solid with several remarkable properties, most notably its effectiveness as a thermal insulator. It was first invented by Samuel Stephens Kistler in 1931, as a result of a bet with Charles Learned over who could replace the liquid inside of a Fruit preserves jar with gas without causing shrinkage. [242]
Frigidaire was founded as the Guardian Frigerator Company in Fort Wayne, Indiana, and developed the first self-contained refrigerator, invented by Nathaniel B. Wales and Alfred Mellowes in 1916.