Independent Inventor

Tim Bonerb

Independent Inventor and Product Developer

Five decades of experience developing, building, testing and licensing patented technologies.

I turn ideas into working prototypes. My experience includes patent work, mechanical design, fabrication and testing, along with licensing inventions to established manufacturers.

Tim Bonerb working on engineering prototypes

The Knowing is in the Doing

Over a 50-year career as an independent inventor, I have filed more than 100 Provisional Patent Applications and have been granted more than 3 dozen patents. I know the R&D process well, from designing and welding prototypes to testing in real-world conditions. From start to finish, I handle all of the patent work.

"I examined well over a thousand patent applications at the USPTO. I would grade Mr. Bonerb's work on drawings and descriptions as a B+ compared to other patent attorneys, and A+ compared to other independent inventors."

P. Decker, Patent Attorney & Former USPTO Patent Examiner (2010–2022)
Tim Bonerb inside the grain silo during development testing at GSI
Tim Bonerb during development testing of the grain-handling system at GSI in Assumption, Illinois.
Flexwave roof and gutter protection system

Current Work

Flexwave® Roof and Gutter Protection

My current work includes Flexwave®, a roof and gutter protection system that uses air-powered movement to remove accumulated leaves, snow and ice. Visit the Flexwave website to see the system in operation and learn about the project.

Watch Flexwave in Action

Patent Portfolio

36 Patents Granted

A career of invention documented in patents granted in the United States and Canada, covering mechanical systems, grain handling, and protective technologies.

View Portfolio
US and Canadian patent certificates and historical photographs from Tim Bonerb's invention career