Location History:
- Hampstead, MD (US) (1994)
- East Hartford, CT (US) (1997)
- Hartland, CT (US) (1998)
- East Hartland, CT (US) (1994 - 1999)
Company Filing History:
22 out of 2,614 
1 out of 832,680 Years Active: 1994-1999
Title: David W Barrett: Innovator in Elevator Technology
Introduction
David W Barrett, an esteemed inventor based in East Hartland, Connecticut, has made significant contributions to the field of elevator technology. With an impressive portfolio comprising 22 patents, Barrett has dedicated his career to enhancing the safety and efficiency of elevator systems.
Latest Patents
Among his latest patents, Barrett's design of an "Elevator door brake, brake, lock, and hold-open" demonstrates his innovative approach to elevator safety. This system ensures that when an elevator is in operation, the car door remains securely locked in the closed position by a brake shoe. The design cleverly integrates a push-type solenoid to release the brake, allowing the door to hold open for passenger boarding while also providing a fail-safe mechanism in case of power failure.
Another noteworthy patent is the "Elevator system with overlapped roped-coupler segments." This invention showcases an advanced elevator system where multiple cars travel in both upward and downward directions within adjacent hoistways. The innovative design includes overlapping segments that allow for seamless transitions between counterweighted couplers, ensuring a smooth and efficient operation. The flexibility of the elevator car's movement is further enhanced by the releasable roller guides, permitting lateral shifts to and from landings.
Career Highlights
David Barrett's professional journey is prominently marked by his association with the Otis Elevator Company, a leading name in the elevator industry. His patents reflect a commitment to improving the mechanics and safety features of elevator systems, making them more user-friendly and reliable.
Collaborations
Throughout his career, Barrett has worked alongside talented colleagues such as Richard E Peruggi and Edward E Ahigian. Together, they have contributed to the innovative spirit of Otis Elevator Company, driving advancements in elevator technology.
Conclusion
With his continued dedication to innovation and safety, David W Barrett exemplifies the spirit of invention in the elevator industry. His work not only enhances the functionality of elevator systems but also prioritizes the safety of passengers, making a lasting impact on the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.