Location History:
- Norwalk, CT (US) (2002)
- Westport, CT (US) (1998 - 2003)
- Napa Valley, CA (US) (2004 - 2006)
- Napa, CA (US) (2004 - 2018)
Company Filing History:
2 out of 3 
2 out of 379 
1 out of 1 Years Active: 1998-2018
Title: The Innovative Contributions of Daniel Freifeld
Introduction
Daniel Freifeld is a notable inventor based in Napa, California, recognized for his significant contributions to optical inspection technologies. With a total of 15 patents to his name, Freifeld has developed advanced systems that enhance the efficiency and accuracy of inspections in various applications.
Latest Patents
Among his latest innovations is the Five Axis Optical Inspection System. This system is designed to effectively collect images of parts under inspection. It features a three-axis linear motion stage, a rotary fourth axis stage for holding and rotating objects, and a fifth axis camera with an optical system. The camera's optical axis is aligned parallel to the linear motion axis, and it utilizes a 45-degree mirror to redirect the optical axis towards the object being inspected. Additionally, a motor is incorporated to rotate the mirror, allowing for a range of viewing orientations.
Another significant patent is the Automated Stent Inspection System. This method facilitates rapid optical inspection of stents by mounting them on a mandrel with suitable optical properties. The stent is conveyed to an inspection station equipped with a camera and illumination source. A driving member securely contacts the mandrel, enabling the stent to be rotated in view of the inspection camera. Each mandrel is associated with a unique identification tag to track the stent's location throughout the inspection process.
Career Highlights
Freifeld has worked with various companies, including Visicon Inspection Technologies LLC, where he has applied his expertise in optical inspection systems. His innovative approaches have significantly impacted the field, leading to advancements in inspection technologies.
Collaborations
Throughout his career, Freifeld has collaborated with talented individuals such as John Burnett and Minh Chau Ngo. These partnerships have fostered a creative environment that has contributed to the development of his groundbreaking inventions.
Conclusion
Daniel Freifeld's work in optical inspection technologies exemplifies the spirit of innovation. His patents reflect a commitment to enhancing inspection processes, making significant strides in the field. His contributions continue to influence the industry and inspire future advancements.