Search results
Results From The WOW.Com Content Network
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.
This list comprises the largest companies currently in the United States by revenue as of 2024, according to the Fortune 500 tally of companies and Forbes. The Fortune 500 list of companies includes only publicly traded companies, also including tax inversion companies. There are also corporations having foundation in the United States, such as ...
This list of the oldest companies in the United States includes brands and companies, excluding associations, educational, government or religious organizations. To be listed, a brand or company name must remain, either whole or in part, since inception. To limit the scope of this list, only companies established before 1820 are listed.
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
Bayer. 1863. The German pharmaceutical company created the "drug of the century" — aspirin. The company trademarked it in 1899 and aspirin soon became the No. 1 drug in the world.
The original patent term under the 1790 Patent Act was decided individually for each patent, but "not exceeding fourteen years". [26] The 1836 Patent Act (5 Stat. 117, 119, 5) provided (in addition to the fourteen-year term) an extension "for the term of seven years from and after the expiration of the first term" in certain circumstances. [ 27 ]
Lemuel Wright is also responsible for one of the very early patents for internal combustion engines, British patent number 6525 of 1833. One of the earliest sources to describe his engine and patent is the scientist and engineer Dugald Clerk (later Sir Dugald Clerk FRS) in his book "Gas and Oil Engines" first published in 1886. [ 5 ]
1714: Patent for an apparatus regarded as the first typewriter granted to Henry Mill (c. 1683–1771). [25] 18th century: The Valentine's card first popularised. [26] 1822: The mechanical pencil patented by Sampson Mordan (1790–1843) and John Isaac Hawkins (1772–1855). [27] 1831: Electromagnetic induction & Faraday's law of induction.