Inventors and Inventions Free
Inventors and Inventions
Who was awarded a patent for automatically opening and closing elevator doors?
1. Terrence Sims
2. Germaine Street
3. Lewis Johns
4. Alexander Miles
Alexander Miles
Before 1887, elevators were both unsafe and inefficient. Elevator doors and the door shaft had to be closed manually; and if they were not properly closed serious and even deadly accidents occurred. Alexander Miles’ invention enabled the doors and the shaft to be automatically closed by levers and rollers. Some believe he got the idea for automatic doors after his daughter fell down an elevator shaft and died.
Who invented the mechanical egg beater?
1. Susan Rivers
2. Joetta Frank
3. William Jackson
4. Willis Johnson
Willis Johnson
Although called an egg beater, Willis Johnson actually invented an early mixing machine, for which he obtained a patent in 1884, which had two chambers where eggs could be beaten in one section and batter in another or one section could be cleaned while the other continued beating.
Who invented the modern hairbrush?
1. Jennifer Kyle
2. Henrietta Norwood
3. Lyda Newman
4. Marian Thimble
Lyda Newman
Before Lyda Newman invented her hairbrush, hair brushes were made of animal hair and created scalp diseases and disorders in many people. With her invention, bristles were made of synthetic materials and the brush could be taken apart for cleaning.
Who invented the refrigeration systems used in long-haul trucks and railroad cars?
1. Bartholomew Smith
2. Henry Morris
3. Earl Franklin
4. Fredrick Jones
Fredrick Jones
Frederick McKinley Jones received a patent for his invention of mobile refrigeration in 1939, an invention that made possible the long-haul transportation of perishable goods. For his invention he became the first African American winner of the National Medal of Technology and to be inducted into the National Inventors Hall of Fame.\
Who was the first Black woman to earn a patent for her invention?
1. Sharan Tisdale
2. Lydia Freeman
3. Gloria Mitchell
4. Judy Reed
Judy Reed
Even though Judy W. Reed likely could not write her name, she patented a hand-operated machine for kneading and rolling dough and became the first recorded African American woman inventor.
Who is the inventor of the wringing-mop?
1. Brandon Gaines
2. James Williams
3. Nathanial Holmes
4. Thomas Stewart
Thomas Stewart
Thomas Stewart obtained a patent in 1893 for an improvement on the simple mop that would save time and contribute to more sanitary conditions. His invention was a lever that attached to the mop head and which could wring water from the mop head without wetting the hands.
Who was the inventor of the improved fountain pen?
1. William Purvis
2. Lloyd Ray
3. Percy Williams
4. Ray Little
William Purvis
Before William B. Purvis invented his improvement on the fountain pen in 1890, the pen could only be used with a bottle of ink nearby since it had to be steadily dipped in the bottle in order to write. Purvis’ pen, however, had a small storage unit or reservoir connected to a tube that could be filled with ink which would then deposit ink through the tip. No longer did writers have to carry bottles of ink with them.
Who invented the long-handled dustpan?
1. Lloyd Ray
2. Brenda Francis
3. Sybil Fontaine
4. Raymond Lafayette
Lloyd Ray
In 1897, Lloyd Ray invented an improvement over what was called the “half-brush and shovel” by creating the industrial long-handled dustpan with its steel collection box for trash which made cleaning simpler and more sanitary.
Who invented the street letter box?
1. Miles Jenkins
2. Myron Street
3. Philip Downing
4. Gilbert Standard
Philip Downing
Philip B. Downing, known for a number of patents, is also recognized for his invention in 1890 of the street letter box, which is the precursor to the modern postal box seen on corners across the world. Downing’s design featured a simple, four-legged box with a hinged metal door for sending outgoing mail.
Who obtained patents for the following window accessories: Adjustable Window Cornice, Cornice, Pole Tip, Curtain Rod, and Supporting Bracket?
1. Jane Tilman
2. Theodore Manley
3. Samuel Scottron
4. Roberta Grier
Samuel Scottron
Samuel Raymond Scottron, a prominent inventor N.Y. began his career as a barber, but received his engineering degree from Cooper Union in 1878 and from 1880 to 1893 he obtained patents for all of these window accessories.
What did Thomas Jennings invent?
1. A process called map steering, a forerunner to the GPS.
2. A process called strip filming, a method of cleaning windows
3. A process called cold cleaning, a method of using ice to clean wood floors
4. A process called dry scouring, a forerunner of modern dry cleaning.
A process called dry scouring, a forerunner of modern dry cleaning.
Thomas Jennings, a free New York Black man who owned and operated a tailoring business, earned a patent in 1821 for a process called dry scouring which is a forerunner of modern dry cleaning.
Who invented the stainless steel scouring pad?
1. Mabel Styles
2. Betsy Scales
3. Theodore Trip
4. Alfred Benjamin
Alfred Benjamin
Very little is known about Alfred Benjamin of New York except for the information on his patent application for which his patent for the stainless steel scouring pad was granted in June 1962 under U.S. Patent 3039125.
George Sampson was responsible for an important improvement of what appliance?
1. Clothes dryer
2. The stove
3. Washing machine
4. The dishwasher
Clothes dryer
Before George Sampson’s improvement of the clothes dryer, clothes were dried by means of a ventilated barrel over an open flame which often left clothes sooty and always smelling like smoke. With his invention a need for an open flame was eliminated and the way was paved for the modern clothes dryer.
Who was the inventor of the portable pencil sharpener?
1. John Love
2. Lee Samuel
3. Calvin Preston
4. Stanley Pearson
John Love
John Lee Love developed the portable pencil sharpener, which he patented in 1897. It was often called the “Love Sharpener”.
Who invented the x-ray spectrometer used to analyze distant galaxies and other deep-space phenomena?
1. James Malcolm
2. Frederick Allan
3. George Alcorn
4. Michael Frazier
George Alcorn
George Edward Alcorn was a physicist whose work in the aerospace industry led him to at least 20 inventions for which he obtained six patents; one of these was the x-ray spectrometer used to analyze distant galaxies and other deep-space phenomena.
Who invented the butter churn?
1. Albert Richardson
2. Michael Harney
3. Willis Johnston
4. Frederick Blain
Albert Richardson
Before Albert Richardson’s invention of the butter churn in 1891, butter was made by stirring cream or milk in a bowl until the solid butter formed. This could take hours, but Richardson’s invention of the plunger churn cut the time down considerably and made butter available and affordable to many more people
What was the important invention of Marie Van Britain Brown?
1. Escalator
2. Security System
3. Sponge hair rollers
4. Pencil Sharpener
Security System
In 1966, Marie Van Britain Brown, with the assistance of her husband, invented the first home security system. Additionally, she is credited with inventing closed circuit television.
Who was the engineer and businessman best known for his award-winning long-distance airplane?
1. Charles Chappelle
2. Darin Charles
3. Charles Chaplin
4. David Chappelle
Charles Chaplin
In 1911 Charles Ward Chappelle invented an airplane designed to safely travel long distances. As the only African American to participate in the First Industrial Aero Show sponsored by the United States Aeronautical Reserve he exhibited his model which earned him a medal and attracted many investors and business opportunities.
Who invented the golf tee?
1. Powell Johnson
2. John Love
3. Albert Richardson
4. George Grant
George Grant
George Franklin Grant was not only a Boston dentist and the first African-American professor at Harvard, but his love of golfing motivated him to invent the wooden golf tee in 1899.
Who was the aerospace engineer who worked with the U.S. Air Force and later with NASA and invented the super soaker water gun?
1. Lorenzo Folley
2. Lonnie Johnson
3. Jeffrey Lockett
4. Wilfred Henry
Lonnie Johnson
Lonnie Johnson’s famous super soaker appeared in stores in 1990 and by 1991, it had generated over 200 million dollars. After resolving legal issues with the Hasbro toy manufacturer, to whom he sold the rights, he was paid 73 million in back royalties.
Who invented fitted sheets?
1. Bertha Berman
2. Stephani Steel
3. Brenda Davis
4. Jordan Franklin
Bertha Berman
In 1959 after Bertha Berman realized that sheets would never stay on mattresses properly, she invented the fitted sheet which attaches elastic to the corners to hold the sheets in place. Her invention is now found in homes, hotels, dormitories, across the world wherever there are beds.
Who is the inventor of the first clock built in America?
1. Bradford Tanner
2. Benjamin Banneker
3. Garfield Bestman
4. Benjamin Tanner
Benjamin Banneker
In 1752, Benjamin Banneker built a clock entirely out of wood, which was believed to be the first clock built in America and which kept precise time for decades.
Who invented the gas mask?
1. Garrett Morgan
2. Louis Lattimore
3. Theodore Malcolm
4. John Love
Garrett Morgan
In 1912, Garrett Morgan invented the smoke hood, the first gas mask, which saved many lives. It was first used in 1916 to save many men in the Cleveland, Ohio 1916 tunnel construction disaster. Morgan was also the inventor of the first three-position traffic signal.
What practical item did Osbourn Dorsey invent?
1. Light switch
2. Door knob
3. Letter opener
4. Bottle opener
Door knob
Inventor Osbourn Dorsey designed both the doorknob and the doorstop and successfully obtained a patent for both in the same year.
Who invented the control unit for the cardiac pacemaker?
1. Sharon Blackstone
2. Marilyn Newsome
3. Otis Boykin
4. Raymond Giles
Otis Boykin
Otis Boykin held 26 patents on various inventions, most of which related to electrical resistors that improved radios, televisions, computers and even missile guidance; but perhaps his most important and life-saving invention was the control unit for the artificial cardiac pacemaker which regulated the heartbeat of the wearer.
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Many African American inventors and their inventions continue to impact the world. Find out here who they are and what they invented.
One reply on “Inventors and Inventions”
Fascinating details. Including illustrations.. However, the dates of many of these inventions are missing from the explanation.