ToastmasterWhat was the greatest thing since before sliced bread? Why burnt toast, of course!

Seriously. Without burnt toast, we might never have the modern toaster. And, without the pop-up toaster’s boost by the subsequent invention of sliced bread, we’d probably never have thought of pop-tarts and frozen waffles, either.

Burnt Toast Smell Fills Factory Cafeteria; Sparks Creative Genius

Burnt toast in the company cafeteria at a Stillwater, Minnesota plant lead to the invention of the modern pop-up toaster. Charles Strite, a master mechanic, wanted to take the need for continual human attention out of the process of making toast. Strite added springs and a variable timer to the toaster. The new toaster had a clockwork mechanism that, after a certain adjustable amount of time had elapsed, would turn off the heating elements and trigger the ascension of a spring-loaded basket containing the toasted bread. Continue reading “The Greatest Thing Since Before Sliced Bread? – The Invention of the Toaster”

Patent RE3092Although plywood is considered a modern building material, its origin can be traced to ancient times. Remnants of plywood have been found in Ancient Egyptian tombs. There was a shortage of fine wood in Egypt. In order to save the higher quality wood for the exterior of furniture and other decorative products, the Egyptians glued thin sheets of the high quality wood to the lower quality more available wood. Ancient Chinese were known to use a similar technique for furniture. In the 1600 and 1700’s, the British and French experimented with different types of plywood.

The first patent for plywood was issued to John K. Mayo on December 26, 1865. He also received patent number RE3092 which was a reissue of the patent on August 18, 1868. The reissue describes his plywood as: “The invention consists in cementing or otherwise fastening together a number of these scales of sheets, with the grain of the successive pieces, or some of them, running crosswise or diversely from that of the others…” Although Mayo invented a new kind of wood, it seem that he did not attempt to capitalize on his idea. There is no record for him starting a business or otherwise utilizing his patent. Continue reading “Invention of Plywood”

Question from Emily W.:
I know potato chips were invented by mistake – or I guess you could say prank – by a chef fed up with a guest complaining about his fries not being crispy enough.
But is it really true that the cook who invented them wasn’t allowed to get a patent because he was part African-American? How long ago was it, really?

The story goes that George Crum invented the potato chip at a resort in Saratoga Springs, New York during the summer of 1853. A guest in the restaurant where Crum was a chef sent back his order of French Fries complaining they were too thick and mushy. Crum decided to play a joke on the patron. He cut a batch of potatoes as thin as possible and then fried them until they were hard and crunchy. Instead of being angry about this new dish, the guest loved the potato chips. Soon others were coming to the restaurant asking for the thinly cut, deep fried potatoes. Crum opened his own restaurant in 1860. The main attraction of this restaurant was the basket of potato chips placed on the tables.

It is true that Crum did not receive for a patent for his potato invention. It is also true that Crum was Native American and African American. But it is not true that his lack of patent is because as an African American he was not allowed to receive one. Other African Americans held patents at the time. Thomas Jennings was the first African American to receive a patent. He received U.S. Patent 3306x on March 3, 1821 for a dry-cleaning process.

Do you have a question for The Invention Geek? Submit it here.

Patent 3653474It has only been for the last forty years that traveling did not have to mean a sore back from carrying your luggage. Before 1970, luggage had to be carried. Suitcases did not have wheels. This month, wheeled luggage celebrates its 40th anniversary. Bernard Sadow is the man who made traveling with ten pairs of shoes and enough clothes for a month much easier.

Sadow was at the time the president and owner of U.S. Luggage. While coming home from a vacation in Aruba with his family, he struggled with two packed 27-inch suitcases. During his struggles, he noticed another man pushing his luggage on a skid. Right then, Sadow had the brilliant idea to add wheels to luggage.

Sadow went to work immediately on the first prototype. The first wheeled luggage rolled out of the Massachusetts factory had four caster wheels made from plastic and metal and a rope to pull it. Bernard Sadow applied for a patent on February 16, 1970. He was granted Patent #3,653,474 on April 4, 1972 for rolling luggage. Continue reading “Minimizing Travel Struggles – Invention of Rolling Luggage”

Question from Sydney Q.:
Is there a patent for WD-40?

WD-40 was created in 1953 by Norm Larsen while working for the Rocket Chemical Company. The product was developed as a corrosion protector for missile covers. WD stands for water displacement and the inclusion of the number 40 is because it was Larsen’s 40th attempt that was successful.

WD-40 is now a household name and can be found in about 80% of American households. Still the company chose never to patent the product. The formula, like that for Coca Cola, is a trade secret. Applying for a patent would have required complete disclosure of the chemical formula and the manufacturing process. Also a patent issued in 1953 would have expired in 1980 and WD-40 would no longer have protection from duplication. Instead, by keeping the product’s ingredients a secret and heavily advertising it as such, WD-40 has faced little competition from similar products over the years. Continue reading “Ask the Invention Geek – WD-40 Patent?”

John GorrieJohn Gorrie is considered the father of refrigeration and air conditioning. Gorrie’s medical research involved the study of yellow fever. At the time of his research, it was widely believed that bad air was the cause of many diseases. Gorrie also noticed that outbreaks of yellow fever were less frequent in the winter. He was convinced that cold was a healer. This led Gorrie to cool the sickrooms of his patients to reduce fever and make them more comfortable.

Gorrie cooled the rooms with a basin of ice suspended from the ceiling. The cool air would flow across the patient and through an opening in the floor. This was a successful method in to cool the room. Ice was hard to come by though. The ice had to be cut from the northern lakes, stored in underground icehouses and shipped packed in sawdust via boat to Florida. Continue reading “Need a Cold Drink? The Invention of the Ice Machine”

No AntennaFive technological advancements in the last decade have led to the current trends in consumer electronics. Without these advancements, we would not have iPods, digital cameras, TiVos or Blackberries as well as many other electronic devices.

1. Broadband Internet

In 2000, high speed Internet became readily available in the US. Between 2000 and 2003, usage of high speed Internet grew 24% in the United States. In 2006, 69% of all homes had some kind of Internet access at home and 60% of those connections were high speed connections of some kind. Can you imagine trying to watch movies online, buy music, or just surf the web without the benefits of high speed Internet?

Continue reading “5 Important Tech Advancements of the 00’s”

Necessity is the mother of invention.  -Plato

In this case, it was not only necessity but also mothering that were the mothers of invention.

Marion DonovanMarion Donovan spent a large part of her childhood in a manufacturing plant run by her father and uncle who invented many things including an industrial lathe. This experience instilled Marion with an inventive spirit.

Frustration at the inconvenience and impractically of using rectangular sheets of cloth as diapers, Marion put that inventive spirit to the test. Tired of constantly changing diapers, sheets and clothing, she went to work at her sewing machine with a shower curtain. After a few attempts, she designed a waterproof diaper cover. Called the “Boater” by Marion because she thought her cover looked like a boat, the design didn’t pinch the skin, cause diaper rash or use dangerous safety pins. Continue reading “Famous Women Inventors: Marion Donovan – Inventor of the Diaper”

Question from Dave L.:
What was the involvement of Matti Makkonen in the invention of text messaging? Is text messaging patented?

As a system designer for the telecom and post authority in Finland, Matti Makkonen was involved in developing mobile communications systems. The idea for text messaging began with Makkonen and two other Finish engineers in a pizzeria in Copenhagen in the summer of 1982. Patenting the idea never occurred to Makkonen and ultimately he was not paid a cent for his work.

Do you have a question for The Invention Geek? Submit it here.

Patent 1760820Can you imagine life without tape? How would we wrap presents, fix ripped papers and make duct tape dresses? Richard Drew invented the first masking tape in 1925.

Richard Drew was an engineer working at 3M when he perfected the masking tape. At the time, 3M was a sandpaper manufacturer. Drew was delivering trial batches of sandpaper to a local auto shop when he learned how difficult it was to do the two-tone paint jobs that were very popular in cars during the 1920s. Painting a perfect border between the two colors was nearly impossible. When removing the butcher paper on the cars, some of the painted that was just applied would peel off. Touching up the damaged paint increased the time and cost of the paint job.

Drew worked for two years in the lab at 3M to invent the first masking tape which was a two-inch wide tan paper strip backed with light adhesive. It was originally made from cabinetmaker’s glue and treated crepe paper. The first run only had adhesive on the sides and not the middle. Continue reading “More Adhesive! The Invention of Scotch Tape”