Company Filing History:
2 out of 13 
1 out of 9 
1 out of 15,631 
Years Active: 2007-2020
Title: **David B Mulvey: Innovator in Ear Tip Technology**
Introduction
David B Mulvey is a notable inventor based in San Diego, California, who has made significant contributions in the field of ear tip technology. With a total of five patents to his name, Mulvey's innovations focus on enhancing the user experience for sound transmission devices.
Latest Patents
Among his latest inventions is the "Eartip," which features an improved design that incorporates the distribution of PTFE throughout a slow recovery foam. This design aims to create a finer, more uniform cell structure that enhances insertion within a user's ear canal and provides better sound attenuation through a smoother skin with a lower kinetic coefficient of friction. Another key patent is the "Long-wearing deep-insertion ear tip," which is engineered to fit snugly in the user's ear canal, effectively blocking external noise while ensuring comfort. This embodiment includes a stem and a foam body comprising a concave opening, a rear extension flange, and a series of indentations to optimize comfort. The foam body is made of polyurethane foam, while the stem consists of elastomeric polyurethane.
Career Highlights
Throughout his career, Mulvey has worked with Sperian Hearing Protection, LLC and Howard Leight Industries, LLC, where he contributed to the development of innovative hearing protection solutions. His work in these companies allowed him to refine his designs and push the boundaries of ear tip technology further.
Collaborations
David has collaborated with professionals such as Stephen D Gilder and Jim Tiemens, contributing to a rich exchange of ideas and fostering innovation in the field. Such collaborations reflect the teamwork spirit that often accelerates technological advancements.
Conclusion
David B Mulvey stands out as a visionary inventor in ear tip technology. With his five patents, he continues to advance the efficacy and comfort of sound transmission devices. His contributions not only impact the industry but also enhance the overall user experience, making him a significant figure in the realm of innovations.