This inventor holds 2 USPTO granted patents. Top assignees: Osram Sylvania Inc., Other. Active years: 1996.
Company Filing History:
1 out of 1,452 
1 out of 834,350 Years Active: 1996
Title: R Bruce Biddulph: Innovator in Lighting Technology
Introduction
R Bruce Biddulph is a notable inventor based in Exeter, NH (US). He has made significant contributions to the field of lighting technology, holding a total of 2 patents. His work primarily focuses on electric arc discharge lamps that enhance both efficiency and safety.
Latest Patents
Biddulph's latest patents include a high-intensity discharge lamp with an ultra-violet absorbing envelope. This innovative lamp features an arc discharge light source that emits both visible light and UV radiation, enclosed within a borosilicate outer glass envelope. The envelope is designed to have a transmission of greater than 90% at a wavelength of 425 nm while limiting UV radiation transmission to not more than 40% at 320 nm, 8% at 300 nm, and 0.5% at 290 nm. Additionally, he has developed a lead and arsenic-free, solarization-resistant glass for electric arc discharge lamps. This glass also maintains a high transmission rate for visible light while effectively filtering UV radiation.
Career Highlights
Throughout his career, Biddulph has worked with various companies, including Osram Sylvania Inc. His experience in the industry has allowed him to refine his inventions and contribute to advancements in lighting technology.
Collaborations
One of his notable collaborators is Richard C Marlor. Their partnership has likely fostered innovative ideas and improvements in their respective fields.
Conclusion
R Bruce Biddulph's contributions to lighting technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.