Company Filing History:
10 out of 13 
8 out of 14 
2 out of 2 Years Active: 1977-2006
Title: **Innovations by Christer A Sjogren in Miami, FL**
Introduction
Christer A Sjogren, based in Miami, Florida, is a prolific inventor with an impressive portfolio of 20 patents. His innovative approaches to counting and tracking printed products have significantly advanced the efficiency and precision of production processes in the printing industry.
Latest Patents
Among his latest inventions, Christer A Sjogren developed a **Method and Apparatus for Precision Counting and Tracking of Signatures Moving Between a Gripper Conveyor and a Stacker Infeed**. This invention ensures accurate detection, counting, and tracking of printed products as they transition from a gripper conveyor to a lay-down conveyor. Utilizing advanced sensor technology, this system allows for precise operations including product stream interception and bundle ejection, enhancing the overall productivity of printing machines.
Another notable invention is the **Method and Apparatus for Utilizing a Shadow Effect for Counting Newspapers, Magazines, Books, and Other Printed Products**. This innovative counting technique employs a high-intensity light source designed to illuminate the upper surfaces of newspapers, causing the leading folded edges to cast shadows. An image sensing device analyzes these shadows to accurately differentiate between genuine leading edges of newspapers and other potential obstructions, thus improving counting accuracy considerably.
Career Highlights
Throughout his career, Christer A Sjogren has made significant contributions to various companies, notably Quipp Incorporated and Quipp Systems, Inc. His work has emphasized innovation in automated printing processes, making him a key figure in the field.
Collaborations
In addition to his individual accomplishments, Christer has collaborated with notable colleagues such as Kevin Cote and J D Houseman. Their teamwork has fostered the development of groundbreaking technologies that continue to influence the printing and publishing industries.
Conclusion
Christer A Sjogren's inventive spirit and dedication to his craft have established him as a leader in the realm of printing technology. With 20 patents to his name, he continues to push the boundaries of innovation, ensuring that printed products are counted and tracked with unmatched precision. His contributions not only enhance operational efficiency but also lay the groundwork for future advancements in the field.