Rich inventors have used their resources to create some of the best products of all time, but others took commonsense ideas and turned them into something functional.
From Beanie Babies to Gatorade, you might be surprised at how much (or how little) these people earned from their iconic inventions.
Click through to see how rich you could become with the right idea.
K-Cups are single-serve coffee packages manufactured and sold for use in Keurig coffee makers. Despite the popularity of K-Cups, inventor John Sylvan never got rich off his idea.
In 1997, he sold his stake in the company he founded for only $50,000. After Sylvan parted ways with the company, Keurig machines spread to office kitchens and home counters rapidly. With the recent merger between Keurig Green Mountain and Dr Pepper Snapple completed in July 2018, the newly formed Keurig Dr Pepper boasts approximately $11 billion in combined revenue.
Sara Blakely’s story of how she got rich is legendary. In 1998, she cut the feet out of a pair of pantyhose to create a smooth look for her underwear, and the idea for Spanx was born.
Blakely hit the ground running by calling manufacturers and creating prototypes to patent her idea. But her business really took off in 2000 when Oprah named Spanx her “product of the year.”
Today, Blakely still owns 100 percent of the company she launched with only $5,000. Forbes puts Blakely’s net worth at $1.1 billion as of September 2018. And, by the way, in 2013, she pledged to give half of her wealth to charity.
If you start a brilliant company like Red Bull, you might someday have a fortune of over $46 billion.
Red Bull was created by two inventors, Chalerm Yoovidhya and Dietrich Mateschitz. According to Forbes, the Yoovidhya family has an estimated net worth of $21 billion as of May 2018, and Mateschitz’s fortune is approximately $25.6 billion as of September 2018.
One of the most profitable “As Seen on TV” products of all time, the official Snuggie is a full-length blanket with holes for your arms and head. Though it has several similar competitors, the rapid media blitz after the product launched in 2008 made it a very popular item.
In the first five years, Snuggie sales topped $500 million, according to Allstar Products Group CEO Scott Boilen. His net worth is estimated at $200 million, per Celebrity Net Worth, though it’s not clear how much of that is due to his creation of the Snuggie.
Valve Technology for Ketchup Bottles
If you’re old enough to remember ketchup bottles before Paul Brown’s invention, you know how difficult and frustrating it could be to try to get the ketchup out. Brown invented a valve that releases the ketchup when the bottle is squeezed and closes when the bottle isn’t being squeezed anymore.
Paul Brown sold his company, Liquid Molding Systems Inc., for $13 million in 1995. If you had invested the money in the S&P 500, it would have grown to approximately $2.7 billion by now, adjusted for inflation. In Brown’s case, after the sale, he paid back all the people who had lent him money and acquired some real estate.
Lonnie Johnson didn’t have the cash to get his invention to market, so he licensed his patent to Larami Corp., which was later purchased by the toy company Hasbro. The details aren’t public, but Johnson did tell Forbes that he received royalties on Super Soaker sales, and that sales topped $1 billion between 1992 and 1995.
The royalties paid over the lifetime of the deal aren’t publicly available. In 2016, however, Johnson was awarded $72.9 million in a dispute over Super Soaker royalties from 2007 to 2012.
In 2004, Nick Woodman began selling the Hero, a waterproof, 35 mm film camera that mounted on a user’s wrist. He started out with $30,000 in savings and $235,000 in loans from his parents. Since then, GoPro has taken off as one of the most popular cameras for recording video and snapping pictures during extreme activity.
Today, Woodman’s net worth is estimated at $800 million, according to Celebrity Net Worth, which is actually much lower than his peak valuation of $4.5 billion. Layoffs and disappointing earnings have caused GoPro’s stock price to drop in recent years, reducing his net worth. In 2018, Woodman’s cash compensation was drastically slashed to only $1.
Ty Warner created Beanie Babies, a plush toy line that took off in the 1990s. Each Beanie Baby had its own name, poem and birthday. The simple toy sold for a very low price of just $5.
Today, Warner’s net worth is estimated at $2.7 billion as of September 2018, according to Forbes. The exact amount of money that Beanie Babies generated is hard to quantify because Warner has expanded his wealth through real estate investments, such as the $120 million he invested in the Four Seasons Hotel in New York.
His net worth also took a hit from nearly $70 million in back taxes and penalties for tax evasion.
British inventor James Dyson used his industrial design background to substantially improve home vacuum technology. Dyson opened its first plant in 1993, and the company has since expanded into a range of other technologies, including bladeless fans.
Though it took him over 5,000 prototypes of his first vacuum before he finally created one he was satisfied with, Dyson’s net worth of about $5.3 billion as of September 2018 suggests the hard work was worth it.
Haribo Gummy Bears
In 1922, Hans Riegel began making gummy bears, which were inspired by the dancing bears that were common sights at German festivals. He named his company Haribo, which he came up with by combining the letters of his first name, last name and the city he lived in: Bonn, Germany.
Riegel died in 1945, but his sons — Hans Jr. and Paul — took over Haribo, according to Forbes. When Hans Jr. died in 2013, his net worth was about $3 billion.
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When researchers at the University of Florida began studying why the school’s football players were being affected by the heat, they created a new drink for athletes that would become Gatorade.
The team of researchers that invented the drink eventually sold it to beverage company Stokely Van-Camp in 1967, which agreed to pay the team $25,000 in addition to a small bonus and five-cent royalty on every gallon sold. Royalties, 20 percent of which belong to the University of Florida, surpassed $1 billion in October 2015, ESPN reported.
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Though you might not be familiar with Boston Beer, you’ve probably at least heard of Samuel Adams beers, which are made by Boston Beer. Samuel Adams was started by Jim Koch in 1984 based on a beer recipe from Koch’s great-grandfather from over a century earlier.
When Koch started the company, there were only 40 to 50 breweries in America. Forbes estimates that Koch’s net worth is approximately $1.2 billion as of September 2018.
In 1986, an engineer named Scott Stillinger was having trouble teaching his kids to catch a ball, so he created the iconic Koosh ball. A “Koosh” is made of 2,000 thin rubbery strings tied together. It wasn’t just Stillinger’s kids who loved it, however.
Stillinger co-founded OddzOn Products Inc., and sold the company to Russ Berrie and Co. seven years later on terms that weren’t disclosed. The company brought in an estimated $30 million of revenue per year when it was acquired. In 1997, OddzOn Products Inc. was sold, along with Cap Toys Inc., to Hasbro for a total of $166 million.
Mario Moretti Polegato was born in Italy to parents who were winemakers. After university, he went to work in the family business. On a trip to Nevada, he cut holes in his shoes to avoid the heat, and was inspired to invent a shoe membrane that allowed air to pass through but stopped dust and water, Forbes reported.
When he took his invention to Nike, they turned down his business idea. So, Polegato founded his own company, Geox Shoes, and got the last laugh as business boomed around the world. According to Forbes, he and his family are worth about $1.8 billion as of September 2018.
There’s no patent on having a facility where the general public can rent out space to store excess stuff, but Public Storage took the idea and made it mainstream. Co-founders Wayne Hughes and Ken Volk teamed up to start the company in the 1970s and originally planned to keep building locations until demand petered out. But, despite slower growth in 2017, that hasn’t happened yet.
Originally, the company was called “Private Storage,” but potential customers thought that meant the company wasn’t open to the public, so they changed the name, according to Forbes. As of September 2018, Hughes is worth $2.9 billion, and both of his children are also billionaires.
John Paul DeJoria was living out of his car when he partnered with Paul Mitchell to create the iconic line of hair care products with just $700. Paul Mitchell died shortly after starting the company, leaving DeJoria in charge of building the brand.
As of September 2018, DeJoria is worth approximately $2.5 billion, according to Forbes. However, a portion of his net worth comes from other investments, including an early investment in a high-end tequila company.
Inventor Gary Dahl came up with this idea and sold the rocks in carrying cases. He also created a 20-page manual on how to care for the rocks.
Dahl claimed to have sold about 1.5 million pet rocks before the fad faded. That said, the brilliant entrepreneur was making 95 cents per rock or roughly $1.4 million in profits. Today, the trademark for Pet Rocks is owned by Rosebud Entertainment, which continues to sell them.
Wham-O Inc. was founded by Richard Knerr and Arthur “Spud” Melin. The company’s portfolio of toys included Silly String, the Slip ‘N Slide, the Hula-Hoop and Frisbee discs.
Ironically, the durability of the Hula Hoop proved a hindrance on sales because it rarely broke or needed to be replaced. In 1982, Knerr and Melin sold Wham-O Inc. for $12 million.
Click through to see how much it costs to invent something.
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Grace Lin contributed to the reporting for this article.