This inventor holds 4 USPTO granted patents. Top assignees: Ab Volvo, Hammarplast Medical Ab, Volvo Lastvagnar Ab. Active years: 1992-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Goteborg, SE (1992)
- Onsala, SE (1997 - 2008)
Company Filing History:

Years Active: 1992-2008
Title: Henrik Ingvarsson: Inventor in Medical Devices and Mechanical Engineering
Introduction
Henrik Ingvarsson is an inventor associated with Onsala, Sweden. He is credited with 4 patents and has worked with AB Volvo and Volvo Lastvagnar AB. His patent work includes inventions related to body-fluid transfusion equipment and fastening systems.
Latest Patents
One of Ingvarsson’s listed patents describes a device for a body fluid bag. It combines a filtering part with a retransfusion part as a single mechanically integrated unit. The filtering part connects to the bag’s inlet, while the retransfusion part connects to its outlet, supporting the filtering and return of body fluid. The disclosure also describes a transfusion unit that includes the device.
Another listed patent concerns preventing the rotation of a fastening element. The device uses a shaped surface and one or more protrusions to lock a rotatable fastener. The protrusions can be processed to create an end surface at a predetermined distance from the fastener’s axis of rotation, even when the axis is not centered relative to the shaped surface. The patent also describes methods for producing such devices.
Career Highlights
Ingvarsson’s listed professional associations include AB Volvo and Volvo Lastvagnar AB. His patents span medical-device design and mechanical fastening, reflecting work across distinct areas of applied engineering.
Collaborations
The provided information names Jan-Erik Raattamaa and Roland Svensson as Ingvarsson’s coworkers. It does not specify their roles in the listed inventions or patent applications.
Conclusion
Henrik Ingvarsson’s patent portfolio includes inventions for transfusion equipment and anti-rotation fastening devices, alongside professional associations with AB Volvo and Volvo Lastvagnar AB.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile