Location History:
- Lowell, MA (US) (2014 - 2015)
- Westford, MA (US) (2015 - 2022)
Company Filing History:
4 out of 51 
2 out of 2,154 
1 out of 86 
Years Active: 2014-2022
Title: The Innovative Contributions of Derek James Butland
Introduction
Derek James Butland is a notable inventor based in Westford, MA (US), recognized for his significant contributions to technology through his seven patents. His work primarily focuses on advancements in fuel cell systems and audio technology, showcasing his versatility and innovative spirit.
Latest Patents
One of Butland's latest patents is a magnetic check valve with applications in fuel cell systems. This invention includes a valve seat and a movable valve member, or piston, which regulates fluid flow. The magnetic check valve is designed to prevent backflow of air through the exhaust side of the cathode loop, ensuring the efficiency of fuel cell systems. Another notable patent is the compliant constrained headband spring for audio headphones. This invention features a headband spring element and a stiffness-enhancing element, allowing for adjustable stiffness based on the position of the headband.
Career Highlights
Throughout his career, Butland has worked with prominent companies such as Btu International, Inc. and Bose Corporation. His experience in these organizations has contributed to his development as an inventor and has provided him with a platform to innovate in various fields.
Collaborations
Butland has collaborated with talented individuals, including Timothy R. Doherty and James DiMento. These partnerships have likely enriched his work and led to the creation of impactful inventions.
Conclusion
Derek James Butland's inventive spirit and contributions to technology are evident through his patents and career achievements. His work continues to influence advancements in fuel cell systems and audio technology, marking him as a significant figure in the field of innovation.