Company Filing History:
4 out of 152 
3 out of 131 
1 out of 23 
Years Active: 2002-2025
Title: Innovations of Carl Johan Erik Wallgren
Introduction
Carl Johan Erik Wallgren is a notable inventor based in Stockholm, Sweden. He holds a total of 8 patents, showcasing his contributions to the field of engineering and tool design. His innovative spirit has led to the development of several practical solutions that enhance the functionality of power tools.
Latest Patents
One of Wallgren's latest patents is a vacuum arrangement for a tightening tool. This invention relates to a power screwdriver that includes a housing enclosing a motor and a bit drive spindle. The screwdriver is designed to connect to a vacuum adapter that has screw pick-up functionality, allowing screws to be engaged with the bit. Additionally, it features an integrated vacuum sensor that detects sub-atmospheric pressure in the vacuum adapter.
Another significant patent is for a portable socket holder for sockets or bits that can be connected to a power tool. This portable holder includes compartments for various types of sockets or bits and has visual indication means to show which compartment is in use. It also contains a processor and memory that enable it to visually indicate the appropriate socket compartment and the corresponding tightening joint element compartment.
Career Highlights
Throughout his career, Wallgren has worked with prominent companies such as Atlas Copco Industrial Technique AB and Atlas Copco Tools AB. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the tool industry.
Collaborations
Wallgren has collaborated with notable colleagues, including Henrik Glader and Ulf Roland Brändström. These partnerships have likely fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Carl Johan Erik Wallgren's contributions to the field of tool innovation are significant, with multiple patents that enhance the functionality and efficiency of power tools. His work continues to influence the industry and inspire future inventors.