Location History:
- San Jose, CA (US) (2000)
- Sunnyvale, CA (US) (1997 - 2001)
Company Filing History:
Years Active: 1997-2001
Title: Innovations by Steven H. Bietzer
Introduction
Steven H. Bietzer is a notable inventor based in Sunnyvale, California. He has made significant contributions to the field of packaging through his innovative designs and methods. With a total of eight patents to his name, Bietzer has demonstrated a commitment to enhancing product functionality and efficiency.
Latest Patents
One of Bietzer's latest patents is a method for forming a cap with a tear line. This invention involves a mold for injection molding of a plastic bottle cap, which features a cavity defining the outside slope of the cap. The design includes a core and a core insert that define the inside of the cap, allowing for a single, non-moving part. A tapered stripper ring engages the base of the cap skirt, facilitating the ejection of the cap from the mold while reducing cycle time and material costs.
Another significant patent is for a cap skirt with a single bead and container neck structure. This design is particularly suited for small capacity containers, such as school milk plastic bottles. The cap features internal bead segments that snap under the shoulder of the container neck, ensuring a secure fit. A tear tab allows for easy opening, while the design prevents reclosure of the cap, enhancing tamper-evident features.
Career Highlights
Bietzer is currently employed at Portola Packaging Limited, where he continues to innovate in the packaging industry. His work has not only improved product design but has also contributed to cost efficiency in manufacturing processes.
Collaborations
Throughout his career, Bietzer has collaborated with notable colleagues, including Daniel Randolph Luch and Richard E. Repp. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Steven H. Bietzer's contributions to the field of packaging through his innovative patents highlight his expertise and dedication to improving product design. His work continues to influence the industry and set new standards for efficiency and functionality.