Table of Contents
- 1 What did Henry Blair?
- 2 Who invented the planting machine?
- 3 How old is Henry Blair?
- 4 How did Henry Blair impact the world?
- 5 Who invented the Jenny Coupler?
- 6 Who was Henry Blair married to?
- 7 Why was the Jenny Coupler important?
- 8 Why is it called the Jenny coupler?
- 9 What was the first invention of Henry Blair?
- 10 When did Henry Blair invent the seed planter?
- 11 How did Henry Blair change the patent law?
What did Henry Blair?
Blair was illiterate, therefore he signed his patents with an “x”. It is said that Blair was a freedman. At the time that his patents were granted, United States patent law allowed both freed and enslaved people to obtain patents….Henry Blair (inventor)
|Known for||The second black man to obtain a patent|
Who invented the planting machine?
Is Henry Blair still alive?
Henry Blair/Living or Deceased
How old is Henry Blair?
53 years (1807–1860)
Henry Blair/Age at death
How did Henry Blair impact the world?
Blair is most renowned for his inventions of the corn planter and a mechanical cotton planter. Blair’s inventions improved the productivity of corn and cotton agriculture. Blair was born in Glen Ross, Maryland in 1807.
Did Henry Blair go to school?
Henry Blair was the only inventor to be identified in the Patent Office records as “a colored man.” Uneducated, and unable to read or write, Henry Blair had a gift for invention and did not allow his race, lack of education or other negative factors of the time hold him back.
Who invented the Jenny Coupler?
Andrew Jackson Beard
Andrew J. Beard. Andrew Jackson Beard invented the first automatic railroad car coupler, which dramatically reduced serious injuries to railroad workers. Beard’s invention was a forerunner of automatic couplers used today.
Who was Henry Blair married to?
Son of William Henry Blair and Lois (Baker) Blair, he married Eliza Nelson on December 20, 1859 and they had one son, Henry P. Blair.
What is a Jenny Coupler?
On this date in 1897, Andrew Beard received a patent for a device he called the Jenny Coupler. The Jenny Coupler automatically joined cars by simply allowing them to bump into each other, or as Beard described it, the “horizontal jaws engage each other to connect the cars.”
Why was the Jenny Coupler important?
Few who worked at manual car coupling avoided the loss of at least a finger; many lost a hand or limb, or were crushed between cars. Beard’s “Jenny Coupler” eliminated human involvement between the cars by engaging horizontal jaws that automatically locked together when two cars bumped into each other.
Why is it called the Jenny coupler?
In 1897, Andrew Beard patented an improvement to railroad car couplers. His improvement came to be called the Jenny Coupler. The knuckle coupler did the dangerous job of hooking railroad cars together, which formerly was done by manually placing a pin in a link between the two cars.
What did the Jenny coupler do?
Beard’s “Jenny Coupler” eliminated human involvement between the cars by engaging horizontal jaws that automatically locked together when two cars bumped into each other. The Act made it unlawful to operate railroad cars that were not equipped with automatic couplers.
What was the first invention of Henry Blair?
Henry Blair (inventor) He was born in Glen Ross, Maryland, United States in 1807. His first invention was the Seed-Planter, patented October 14, 1834, which allowed farmers to plant more corn using less labor in a smaller amount of time. On August 31, 1836 he obtained a second patent for a cotton planter.
When did Henry Blair invent the seed planter?
He was born in Glen Ross, Maryland, United States in 1807. His first invention was the Seed-Planter, patented October 14, 1834, which allowed farmers to plant more corn using less labor in a smaller amount of time.
Where did Henry Blair live most of his life?
Blair was born in Glen Ross, Maryland in 1807. There is scant information regarding his early life or family background. However, Blair appears to have never been enslaved, due to his patent eligibility (enslaved people could not register patents with the United States government).
How did Henry Blair change the patent law?
This resulted in a change of the law in 1858 which stated that slaves were not citizens, and therefore could not hold patents. Blair died in 1860. In 1871, six years after the American Civil War ended, the law was changed to grant all men patent rights.