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  2. O-ring - Wikipedia

    en.wikipedia.org/wiki/O-ring

    The first patent for the O-ring is dated May 12, 1896, as a Swedish patent. J. O. Lundberg, the inventor of the O-ring, received the patent. [6] The US patent [7] [8] for the O-ring was filed in 1937 by a then 72-year-old Danish-born machinist, Niels Christensen. [9]

  3. BDORT - Wikipedia

    en.wikipedia.org/wiki/BDORT

    BDORT as illustrated in patent 5188107 [1]. The Bi-Digital O-Ring Test (BDORT), characterized as a form of applied kinesiology, [2] is a patented alternative medicine diagnostic procedure in which a patient forms an 'O' with his or her fingers, and the diagnostician subjectively evaluates the patient's health according to the patient's finger strength as the diagnostician tries to pry them apart.

  4. History of patent law - Wikipedia

    en.wikipedia.org/wiki/History_of_patent_law

    A negative aspect of the patent law also emerged in this period – the abuse of patent privilege to monopolise the market and prevent improvement from other inventors. A notable example of this was the behaviour of Boulton & Watt in hounding their competitors such as Richard Trevithick through the courts, and preventing their improvements to ...

  5. List of German inventors and discoverers - Wikipedia

    en.wikipedia.org/wiki/List_of_German_inventors...

    He was awarded history's first Nobel Prize in Physiology of Medicine in 1901. Melitta Bentz: Inventor of the coffee filter, 1908. Karl Benz: Father and inventor of the gasoline-powered automobile, 1885, and pioneering founder of automobile manufacturing. Albrecht Berblinger: Inventor of the spring prosthesis and hang-glider (1811). [a]

  6. List of Scottish inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Scottish...

    The discovery of the Composition of Saturn's Rings James Clerk Maxwell (1859): determined the rings of Saturn were composed of numerous small particles, all independently orbiting the planet. At the time it was generally thought the rings were solid. The Maxwell Ringlet and Maxwell Gap were named in his honor. [86]

  7. William Painter (inventor) - Wikipedia

    en.wikipedia.org/wiki/William_Painter_(inventor)

    Painter patented 85 inventions, including the common bottle cap, the bottle opener, a machine for crowning bottles, a paper-folding machine, a safety ejection seat for passenger trains, and also a machine for detecting counterfeit currency.

  8. Brainly - Wikipedia

    en.wikipedia.org/wiki/Brainly

    Brainly is an education company based in Kraków, Poland, with headquarters in New York City.It is an AI-powered homework help platform targeting students and parents. As of November 2020, Brainly reported having 15 million daily active users, making it the world's most popular education app. [2] In 2024, FlexOS reported Brainly as the #1 Generative AI Tool in the education category and the #6 ...

  9. Patent model - Wikipedia

    en.wikipedia.org/wiki/Patent_model

    The Smithsonian Institution was allowed to choose first from the remaining models; accessions from the Patent Office now form part of the collection of over 10,000 patent models at the National Museum of American History. [6] Depiction of the 1877 fire at the U.S. Patent Office, which destroyed 75,000 patent models