This inventor holds 4 USPTO granted patents. Top assignees: Emhart Industries, Inc., Emhart Inc.. Active years: 1976-1979.
Company Filing History:
Years Active: 1976-1979
Title: The Innovations of John Dobrzanski
Introduction
John Dobrzanski is a notable inventor based in New Britain, CT (US), recognized for his contributions to the field of smoke detection technology. With a total of 4 patents to his name, Dobrzanski has developed innovative solutions that enhance safety in residential and commercial environments.
Latest Patents
Among his latest inventions is the "Ionization Smoke Detector with Controlled Sensitivity." This device features a ventilated sensing chamber and housing designed to improve smoke sensitivity by mitigating the adverse effects of external winds or drafts. The detector includes a housing with arcuate openings arranged in a circle, along with a flared deflector that directs smoke and particulate matter into the housing's interior. The smoke sensing chamber, positioned adjacent to these openings, utilizes a cylindrical shell electrode to facilitate the flow of smoke, thereby enhancing detection capabilities.
Another significant invention is the "Smoke Detection Alarm Device." This ac-powered smoke detector employs an ionization chamber as its sensing element, coupled with a threshold circuit that includes a programmable unijunction transistor. This configuration activates an annunciator device, such as a horn, when a specified level of smoke is detected. The device ensures reliable operation by providing regulated dc power to the necessary components, ensuring that the alarm is triggered effectively when smoke levels reach a critical threshold.
Career Highlights
Throughout his career, John Dobrzanski has worked with prominent companies, including Emhart Industries, Inc. and Emhart Inc. His experience in these organizations has contributed to his expertise in developing advanced smoke detection technologies.
Collaborations
Dobrzanski has collaborated with notable individuals in the field, including Ernest V Hart and Edward B Gardner. These partnerships have likely fostered innovation and the exchange of ideas, further enhancing the quality of his inventions.
Conclusion
John Dobrzanski's contributions to smoke detection technology exemplify his commitment to safety and innovation. His patents reflect a deep understanding of the challenges in smoke detection and a dedication to improving the effectiveness of these critical devices.