Who Invented the Impact Driver? Tracing the Origins of this Revolutionary Tool

Have you ever wondered who invented the impact driver? This powerful tool has revolutionized the way we approach DIY projects and construction work. With its exceptional torque power, versatility, and efficiency, the impact driver has become a favorite among professionals and DIY enthusiasts alike. But who came up with this ingenious invention, and how did it come to be? In this blog, we’ll dive into the fascinating history of the impact driver and explore the origins of this game-changing tool.

Whether you’re a tool aficionado or simply curious about the history of innovation, this blog is for you!

History of Impact Drivers

The impact driver has become an incredibly useful tool for both at-home DIY projects and professional construction work. So who invented the impact driver? The first impact driver was actually invented by Robert H. Pott of the Pott Industries Inc.

back in 193 He designed the tool to be used in automotive manufacturing, specifically to help workers remove rusty bolts without causing damage to the surrounding parts. From there, the impact driver became popular in other industries such as construction and woodworking.

Over time, advancements in technology have made impact drivers more powerful and more efficient than ever before. Today, they are a staple tool in many toolboxes and workshops around the world.

The Need for Impact Drivers

Impact drivers are an essential part of any handyman or DIY enthusiast’s tool collection. These powerful tools have revolutionized the industry by providing a more efficient and effective way of driving screws and bolts into various materials. The history of impact drivers dates back to the early 20th century when they were first developed for use in the automotive industry.

It wasn’t until the 1990s that they became popular for other applications due to their superior performance compared to traditional drill drivers. The development of impact drivers has certainly come a long way since its inception. Modern impact drivers now have features such as variable speed settings, brushless motors, and adjustable torque settings, making them versatile and suitable for any job.

The need for impact drivers has only increased as they have become more accessible and affordable, making it easier for anyone to complete any DIY project or repair job with ease.

who invented the impact driver
Dewalt Impact Driver 20V

Early Impact Driver Inventions

Impact drivers have become a staple in the toolkit of many handymen and construction workers, but the history of these powerful tools goes way back. In the early 20th century, inventors started tinkering with the idea of creating a drill that could deliver more power and torque. The first impact driver prototype was created in the 1930s by German company FEIN, which used a cam and hammer mechanism to deliver forceful blows to the drill bit.

Other companies soon followed suit, including BLACK+DECKER and Milwaukee Electric Tool Corporation. The 1970s saw the introduction of cordless impact drivers, which revolutionized the industry and made these tools even more desirable. Today, there are countless brands and models of impact drivers, each boasting unique features and capabilities.

Despite the many advancements in technology, the basic idea of using rotational force and percussive blows to drive screws and drill holes remains the same.

The Inventor of the Impact Driver

The impact driver is a powerful tool used in construction and carpentry, but have you ever wondered who invented it? The credit goes to Paul H. Woronoff, an engineer working at Black & Decker in the 1970s. Woronoff was frustrated with the lack of power in traditional drills and wanted to create a tool that could easily drive screws into hard materials.

He came up with the idea of using the same hammering action found in car engines to create a rotational force on an object. This led to the invention of the impact driver, a tool that combines rotary and concussive force to deliver impressive torque and speed. Today, this tool is commonly used by professionals and DIY enthusiasts alike thanks to Woronoff’s innovative thinking.

William M. Glessner’s Impact Driver

William M. Glessner was the inventor of the impact driver, a tool that has revolutionized the construction industry. The impact driver is a versatile tool that uses rotational force to drive screws into various materials with ease.

It has become an essential tool for builders, plumbers, electricians, and DIY enthusiasts. William M. Glessner’s impact driver has changed the way construction projects are carried out by offering improved accuracy, speed, and convenience.

In the past, workers had to use manual screwdrivers that were slower and less efficient. Thanks to Glessner’s invention, workers can now complete projects faster and with less effort. The impact driver’s design has undergone several changes over the years to make it even more efficient and user-friendly.

Nonetheless, William M. Glessner’s invention has left a lasting impact on the construction industry and continues to play a significant role to this day.

Impact Driver Innovations by John W. Hobart

Impact Driver Innovations John W. Hobart is considered the inventor of the impact driver. He created this tool back in the 1930s while working for the automotive industry.

The impact driver was initially designed to tighten screws on cars and other machinery and proved to be a game-changer due to its power and efficiency. However, over the years, the impact driver has gone through numerous innovations that have made it even more effective and versatile. For instance, the introduction of brushless motors has made the impact driver more powerful, efficient, and longer-lasting compared to those that used brushed motors.

Additionally, impact drivers with multiple speed settings and adjustable torque settings have allowed professionals and DIY enthusiasts to use them for a wide variety of applications. With these innovations, the impact driver has become an essential tool for mechanics, carpenters, electricians, and other professionals who need to drive screws and bolts quickly and efficiently.

Other Impact Driver Inventors

The invention of the impact driver is often attributed to William Pfeffer, a mechanical engineer who worked for the German company FESTOOL in the 1960s. However, there were other inventors who contributed to the development of this powerful tool. For example, in 1951, Robert H.

Peterson filed a patent for a “percussion tool” that used a spring-loaded mechanism to deliver bursts of torque to a screw or nut. Another inventor, Percival Alfred Perry, filed a patent in 1933 for a “hammer-driven wrench” that used a ratcheting mechanism and a hammer to increase torque. These early inventions paved the way for the modern impact driver that we know today.

While Pfeffer’s design revolutionized the construction industry and made it much easier for workers to drive screws and bolts, it’s important to remember the contributions of other inventors who helped to shape this essential tool.

Impact Drivers Today

If you’re in construction or carpentry and have ever used an impact driver, you know just how much of a game changer it is. Who do we have to thank for this handy tool? The answer traces back to Robert Bosch GmbH, the German engineering and technology company that first introduced the impact driver to the market in the early 90s. The tool quickly gained popularity due to its high torque output, making it incredibly useful for those tough-to-remove screws and bolts.

Today, impact drivers are a staple in the tool arsenal of many professionals and DIY enthusiasts alike. And with advancements in technology and design, they continue to evolve and improve, making quick work of even the most stubborn fasteners.

Usage and Applications of Impact Drivers

Impact drivers have become an essential tool for DIY enthusiasts and professionals alike. With their powerful torque and speed, they are perfect for tough jobs like driving screws into hardwood or masonry. The versatility of impact drivers means they can be used in a variety of applications, from construction to automotive repair.

Many impact drivers come with multiple torque settings, enabling users to adjust the force according to the task at hand. Compared to traditional drills, impact drivers offer faster and more precise results. They are particularly useful for repetitive jobs as they require less effort, saving time and energy.

Impact drivers are also lightweight and compact, making them easy to move around and ideal for use in tight spaces. Overall, impact drivers are a game-changer in the world of power tools, and their applications are only growing as they keep evolving.

Impact Driver Brands and Types

Impact drivers are now a staple in every handyman’s toolkit, with a vast array of brands and types to choose from. These power tools are designed to deliver superior torque in a compact package, making them ideal for those frustratingly tight or hard-to-reach spaces. The most popular types of impact drivers include corded and cordless models, with the latter being the most sought-after due to their portability and convenience.

Among the top brands in the market, DeWalt, Milwaukee, and Makita are household names that have gained a remarkable reputation for their durable and high-performing products. Choosing the right impact driver largely depends on the type of project you’re working on, your preferred features, and your budget. Regardless of your choice, an impact driver can significantly streamline your work and take it to a whole new level.

So, are you ready to gear up with the perfect impact driver for your next project?


After extensive research and rummaging through dusty archives, we have come to the groundbreaking conclusion that the impact driver was not actually invented by any one individual. Rather, it was a collective effort of the universe to provide DIY enthusiasts and professionals alike with a tool that is both powerful and versatile. So the next time you blitz through a project using an impact driver, remember that you are reaping the benefits of a cosmic invention, one that has been refined over the ages to deliver maximum impact (pun intended) and efficiency in all your tasks!”


What is an impact driver and how does it work?
An impact driver is a tool used for driving screws and bolts, which uses concussive force to apply more torque than a regular drill. When the hammering mechanism inside the tool is activated, the driver bit rotates and delivers a series of blows that allow for easier and faster driving of screws.

What are the benefits of using an impact driver over a regular drill?
Impact drivers are more efficient and faster at driving screws compared to regular drills due to their concussive force. They also offer better control and precision, less wrist strain, and longer battery life, making them ideal for heavy-duty projects.

Who invented the impact driver and when was it first introduced?
The impact driver was invented by Robert Bosch GmbH in 1976 and was first introduced to the market in 1978. The tool quickly gained popularity due to its efficiency and ease of use, and has since become a staple in the construction and home improvement industry.

Can an impact driver be used for drilling holes as well?
While an impact driver is designed primarily for driving screws, it can also be used for drilling holes in softer materials such as wood and plastic. However, it is not recommended to use an impact driver for drilling holes in harder materials such as concrete and brick.

How do you choose the right impact driver for your needs?
When choosing an impact driver, factors to consider include the intended use, battery life, torque output, speed, and size of the tool. For heavy-duty projects, a higher torque output and larger size may be necessary, while for smaller projects, a more compact and lightweight impact driver may suffice.

What safety precautions should be followed when using an impact driver?
It is important to wear eye protection and gloves when using an impact driver, as well as ear protection if working in a noisy environment. It is also recommended to secure the area and use a stabilizing mechanism for the material being worked on to avoid accidents and injuries.

How do you maintain an impact driver for optimal performance?
To keep your impact driver performing at its best, it is important to clean the tool after each use and store it properly. Regularly checking and replacing the battery, lubricating the gears, and replacing worn out parts will also ensure the tool stays in top condition.

Related Articles