Household & Everyday Life
Food & Agriculture Innovations
Communication & Technology
Transportation & Engineering
Medicine & Science
200

This Black inventor patented a folding ironing board in 1892, improving domestic chores.

Who is Sarah Boone?

200

Improved a mechanical peanut picker that revolutionized peanut farming.

Who is George Washington Carver?

200

Created a precursor to modern fax machines in the 1880s.

Who is Granville T. Woods?

200

Invented an automatic lubricating cup for steam engines, ensuring smoother running trains.

Who is Elijah McCoy?

200

First to develop a technique for storing blood plasma for long-term use.

Who is Charles Drew?

400

Invented the first traffic signal with a third “warning” light in 1923.

Who is Garrett Morgan? 

400

Invented the first system to keep ice frozen for transporting perishable foods.

Who is Frederick McKinley Jones?

400

Invented the color PC monitor circuitry still used in early computing systems.

Who is Mark Dean?

400

Designed the first practical gas mask, later used in mining and military.

Who is Garrett Morgan?

400

Invented a specialized cleaning solution to sterilize surgical instruments in hospitals.

Who is Alice H. Parker? (also known for heating innovation)

600

Created a modern hair comb with unique teeth spacing to prevent hair breakage.

Who is Willie Lee Morrow (1939-2022)?

600

Created an improved process for producing instant coffee.

Who is Marjorie Joyner?

600

Developed the first portable traffic signal that could be moved to different intersections.

Who is Garrett Morgan? (focus here: portability, not 3-light signal)

600

Patented a method for making railroad tracks safer and easier to repair.

Who is Granville T. Woods?

600

Created a blood plasma processing method that became standard in hospitals during WWII.

Who is Charles Drew?

800

Invented a folding cabinet bed to save space in small homes. He was born in about 1825 to a free African-American family.

Who is Leonard C. Bailey?

800

Developed a new method for canning fruits and vegetables safely for commercial sale.

Who is Norbert Rillieux?

800

Invented a home security system with remote monitoring in the 1960s.

Who is Marie Van Brittan Brown?

800

Built a prototype for a three-wheeled, self-propelled automobile in 1899.

Who is Frederick Patterson?

800

Developed improved insulated medical storage containers for vaccines.

Who is Otis Boykin?

1000

Developed a portable pencil sharpener still widely used in schools today, patented in 1897.

Who is John Lee Love?

1000

Innovated a peanut-butter-making machine that allowed large-scale production.

Who is Marcellus Gilmore Edson?

1000

Created a method to electronically measure the heart’s activity using a device that became an early ECG.

Who is Otis Boykin?

1000

Invented a rotary engine design concept still studied in mechanical engineering today.

Who is Lewis Latimer?

1000

Innovated a new method for detecting small electrical signals in the brain, precursor to EEG technology.

Who is Norbert Rillieux? (focus: scientific measurement, not food)

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