Fred McKinley Jones is certainly one of the most significant Black inventors ever based on the sheer number of inventions he developed as well as their variety.
Initially employed to sweep and clean the garage, Fred devoted much of his time watching the mechanics as they worked on cars. His observation, along with a insatiable passion for learning through reading developed within Fred an incredible foundation of knowledge about motor vehicles and their inner workings. Within three years, Fred had become the foreman of the garage. The garage was mainly designed to fix cars brought in by customers but also served as a studio for constructing racing cars. After a few years of building these cars, Fred desired to drive them and soon turned out to be one of the most well known racers in the Great Lakes area. After short stints working on board a steamship and a hotel, Jones moved to Hallock, Minnesota began designing and constructing race cars which he drove them on nearby tracks and at county fairs. His preferred car was known as Number 15 and it was so well designed it not only beat other car but once triumphed in a race against an airplane.
On August 1, 1918 Jones enlisted in the 809 Pioneer Infantry of the United States Army and served in France during World War I. While serving, Jones employed German prisoners of war and rewired his camp for electrical power, phone and telegraph services. After being discharged by the Army, Fred came back to Hallock in 1919. Looking for work, Jones frequently assisted local physicians by driving them around for house calls during the winter season. When navigation through the snowfall proved challenging, Fred attached skis to the undercarriage of an old airplane body and fastened an airplane propeller to a motor and soon whisked around town a high speeds in his new snow machine. Over the next few years Fred started tinkering with almost everything he could find, creating things he could not obtain and improving upon those he could. When one of the physicians he worked for on occasion complained that he wished he did not have to wait for patient to come into his office for x-ray exams, Jones created a portable x-ray device that could be taken to the patient. Unfortunately, like many of his early inventions, Jones never thought to apply for a patent for machine and watched helplessly as some other men made fortunes off of their own versions of the device. Undaunted, Jones set out for some other projects, including a radio transmitter, personal radio units and eventually motion picture devices.
At some point, Joe Numero was presented with the task of developing a device which would allow big trucks to transport perishable goods without them spoiling. Jones set to work and developed a cooling process that could refrigerate the interior of the tractor-trailer. In 1939 Fred and Joe Numero acquired a patent for the vehicle air-conditioning system which would later be called a Thermo King.
This product totally changed several industries including shipping and grocery businesses. Grocery chains were now able to import and export products which in the past could only have been transported as canned goods. Thus, the frozen food industry was created and the world saw the introduction of the “supermarket.”
In addition to installing the Thermo King refrigeration systems in trucks and tractor-trailers, Jones altered the original design so they could be outfitted for locomotives, watercraft and ships.
During World War II, the Department of Defense identified a great need refrigeration units for disbursing food and blood plasma to troops in the field. The Department called upon Thermo King for a solution. Fred altered his device and soon had developed a prototype which would ultimately allow airplanes to parachute these units down behind enemy lines to the waiting troops.
For the next 20 years, Fred Jones proceeded improvements to existing devices and created new inventions when necessary to aid the public. Jones died on February 21, 1961 and was posthumously presented the National Medal of Technology, one of the greatest awards an inventor could be given. Jones was the first Black inventor to receive such an honor.
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