Company Filing History:
1 out of 1 
3 out of 832,812 Years Active: 1987-1994
Title: G Gilbert Johnston: Innovator in Infant Safety and Medical Technology
Introduction
G Gilbert Johnston is a notable inventor based in Federal Way, WA (US). He holds a total of 4 patents that showcase his contributions to both infant safety and medical technology. His innovative designs reflect a commitment to enhancing safety and efficiency in various applications.
Latest Patents
One of Johnston's latest patents is a folding infant restraint seat. This infant seat is designed for use with a vehicle seat and seat belt to restrain and protect an infant during sudden changes in velocity. The seat features a foldable frame made from a single sheet of material, incorporating living hinges that flexibly join different sections of the frame. Additionally, it includes a pair of arms that lock the frame in an open position and are designed to engage the seat belt.
Another significant patent is a catheter for performing volumetric flow rate determination. This catheter is particularly adapted for cardiac output determination and consists of an elongated tube of flexible material. The tube has a rigid distal portion with an ultrasonic transducer and a proximate inflatable balloon. The transducer directs a beam of ultrasound to measure blood velocity, allowing for the determination of the effective internal cross-sectional area of the blood vessel and the volumetric flow rate.
Career Highlights
Throughout his career, Johnston has worked with various companies, including Shanli Corporation. His work has significantly impacted the fields of infant safety and medical technology, demonstrating his versatility as an inventor.
Collaborations
Johnston has collaborated with notable individuals such as Robert R McAusland and William Michael Dieter. These collaborations have likely contributed to the development and refinement of his innovative ideas.
Conclusion
G Gilbert Johnston's contributions to innovation in infant safety and medical technology are commendable. His patents reflect a deep understanding of safety and efficiency, making a lasting impact in his fields of expertise.