Company Filing History:
2 out of 2 
1 out of 1 
1 out of 832,912 Years Active: 2012-2017
Title: The Innovative Contributions of Donald Ray McKinney
Introduction
Donald Ray McKinney is a notable inventor based in Gurnee, IL (US). He has made significant advancements in the field of prosthetics, holding a total of 4 patents. His work focuses on improving the functionality and usability of prosthetic devices, making them more efficient and user-friendly.
Latest Patents
One of McKinney's latest inventions is a prosthetic vacuum system. This improved prosthetic device features a vacuum system designed to maintain a negative pressure seal between the socket and the residual limb. The vacuum system includes a vacuum surge chamber that not only maintains the seal vacuum but also increases the time between recharging a lithium-ion battery. This innovative design allows the battery to be recharged up to 500 times. The system is compact, lightweight, and can be concealed within the prosthetic device, ensuring that it does not impede the use of the device or detract from a cosmetically accurate limb.
Career Highlights
Throughout his career, McKinney has worked with various companies, including Lincolnshire Manufacturing, LLC and McKinney Prosthetics. His contributions to these organizations have been instrumental in advancing prosthetic technology and improving the quality of life for users.
Collaborations
McKinney has collaborated with notable individuals in the field, including Morris J. Danzig and Harry D. Bush. These partnerships have fostered innovation and have led to the development of cutting-edge prosthetic solutions.
Conclusion
Donald Ray McKinney's work in the field of prosthetics exemplifies the spirit of innovation and dedication to improving lives through technology. His patents and collaborations highlight his commitment to advancing the capabilities of prosthetic devices.