PHOENIX, Ariz. — September 21, 2026 — Inventor and entrepreneur Linda Stanfield is the featured guest on the latest episode of “Thought Leaders Show,” hosted by Dr. Tamara Patzer.
Stanfield and her husband, Chris, spent more than 40 years running a plumbing company before turning an everyday customer complaint into a business. Year after year, they heard the same frustration from customers: keeping a toilet clean between scrubbings was harder than it should be. That problem, one most people simply learn to tolerate, became the starting point for Happy Toilet Cleaner, a patented in-tank dispenser the couple designed and formulated themselves.
In the episode, Stanfield explains why conventional in-tank cleaning tablets can create their own problems, breaking down the difference between tank water and refill water and how that distinction shaped the product’s engineering. She walks listeners through the earliest attempts at a working prototype, including a bowl-based version and, later, a design built from a car coin holder, before the mechanism that would eventually be patented took shape. Decades in plumbing gave the couple a working knowledge of what a cleaning product could and could not safely do inside a home’s pipes, and that expertise, more than any outside research, guided the formula.
Stanfield also talks about what it means to become an inventor later in life, after already building one successful business, and what it takes to build a second company with a spouse. She describes treating customer service calls as a form of product research, using complaints and questions from early buyers to rewrite instructions and sharpen the product’s messaging over time. Looking ahead, she and Chris see an opportunity well beyond individual homeowners: hotels, health-care facilities and other commercial settings where consistently clean toilets are a daily operational need, not a convenience.
“It’s so flushing easy,” Stanfield said in the interview, a line she has made something of a signature.
The conversation touches on how an ordinary household irritation can become the seed of an invention, how first-time inventors move from idea to working prototype, and how a couple builds and runs a business together without the partnership breaking down. Listeners come away with a look at the invention process from the inside, alongside the long-term vision Linda and Chris hold for the future of toilet cleaning.
The episode is available now:
- Business Innovators Radio: https://businessinnovatorsradio.com/linda-stanfield-from-plumbing-problem-to-patented-product-the-happy-toilet-story/
About Linda Stanfield
Linda Stanfield is an inventor, entrepreneur and co-founder of Happy Toilet Cleaner with her husband, Chris Stanfield. Before developing Happy Toilet, the couple spent more than 40 years operating a plumbing company, work that gave them a firsthand view of the everyday problem their invention would eventually solve.
About Thought Leaders Show
Thought Leaders Show is produced by Dr. Tamara Patzer through TAMI LLC (Total Audience Market Immersion), a media and authority-building company based in Englewood, Florida. The show features in-depth conversations with entrepreneurs, inventors and industry leaders, giving them a platform to share their expertise and connect with the customers and partners who need it. For more information, visit DailySuccessMedia.com.