This inventor holds 4 USPTO granted patents. Top assignees: E.i. Dupont De Nemours and Company, Remington Arms Company, Inc.. Active years: 1977-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- New Castle, DE (US) (1977 - 1983)
- Hockessin, DE (US) (1984 - 1989)
Company Filing History:
3 out of 16,339 
1 out of 90 
Years Active: 1977-1989
Title: Earl Edwin Seppala: Innovator in Firearm Technology and Window Regulation
Introduction
Earl Edwin Seppala is a notable inventor based in Newcastle, DE (US). He has made significant contributions to the fields of firearm technology and window regulation, holding a total of 4 patents. His innovative designs reflect a deep understanding of mechanical systems and their applications.
Latest Patents
One of Seppala's latest patents is a firearm gas relief mechanism. This invention pertains to an auto-loading gas-operated firearm capable of handling a variety of ammunition loads. It features one or more gas relief valves for the initial volume of the gas cylinder, with valves that have a leaf spring covering the gas apertures to control the flow of gas. The design includes a shaped geometric body interposed between the spring and each aperture, forming a seal footprint that enhances the firearm's efficiency.
Another significant patent is for a window regulator designed for vehicle-mounted windows. This regulator includes a rigid track with one end formed in a spiral configuration, containing a polymeric power transmission tape. The system features a rotatably mounted power transmission arm and a power transmission block that moves the tape within the spiral track, ensuring smooth operation of the window closures.
Career Highlights
Earl Edwin Seppala has worked with prominent companies such as E.I. du Pont de Nemours and Company and Remington Arms Company, Inc. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the industry.
Collaborations
Throughout his career, Seppala has collaborated with talented individuals, including Howard J. Kutsch and Rashmikant M. Contractor. These partnerships have fostered a creative environment that has led to the development of groundbreaking inventions.
Conclusion
Earl Edwin Seppala's contributions to firearm technology and window regulation demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving functionality and efficiency in mechanical systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile