This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Nellcor Puritan Bennett Incorporated, Puritan-Bennett Corporation. Active years: 1994-1999.
Company Filing History:
1 out of 404 
1 out of 116 
Years Active: 1994-1999
Title: Tom McDonald: Innovator in Aviation Safety
Introduction
Tom McDonald is a notable inventor based in Overland Park, Kansas, recognized for his contributions to aviation safety. He holds 2 patents that focus on enhancing the functionality and safety of oxygen masks used by flight crews. His innovative designs aim to improve the efficiency and reliability of these critical safety devices.
Latest Patents
One of McDonald's latest patents is the "Safety Stowage Apparatus for Crew Oxygen Masks." This invention features a box designed for the safe stowage of a flight crew oxygen mask, equipped with an inflatable harness and a switch-on/switch-off comfort adjustment system. The design ensures that the mask is properly stowed only when the switch is in the 'emergency' position, preventing accidental deployment during non-emergency situations. The box is intended for easy one-handed retrieval from the cockpit floor, enhancing accessibility for the wearer.
Another significant patent is the "Microphone Signal Attenuating Apparatus for Oxygen Masks." This invention addresses the issue of air flow sounds during inhalation by disabling the microphone of the breathing mask. The mechanism detects when breathable gas is delivered to the mask and disconnects the microphone to prevent sound transmission. This innovation significantly improves communication clarity for flight crews during critical moments.
Career Highlights
Throughout his career, Tom McDonald has worked with prominent companies in the medical and aviation sectors, including Nellcor Puritan Bennett Incorporated and Puritan-Bennett Corporation. His experience in these organizations has contributed to his expertise in developing safety equipment for aviation.
Collaborations
Tom has collaborated with notable colleagues such as Gary Ray Hannah and Gary A. Sinclair. Their combined efforts have further advanced the field of aviation safety and innovation.
Conclusion
Tom McDonald is a dedicated inventor whose work has significantly impacted aviation safety through his innovative designs for oxygen masks. His patents reflect a commitment to enhancing the safety and efficiency of flight crew equipment.