Downers Grove, IL, United States of America

Christian J John

This inventor holds 3 USPTO granted patents. Top assignee: American National Can Company. Active years: 1988-1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Christian J John. Retrieved from https://idiyas.com/inventor/christian-j-john

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 84(Granted Patents)


Company Filing History:


Years Active: 1988-1989

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3 patents (USPTO):Explore Patents

Title: Innovations by Christian J John

Introduction

Christian J John is an accomplished inventor based in Downers Grove, IL (US). He has made significant contributions to the field of closures and packaging, holding a total of 3 patents. His work focuses on creating innovative solutions that enhance product security and usability.

Latest Patents

One of his latest patents is for an "Apparatus for making tamper-evident closures." This invention features a mold for forming a plastic closure that includes a first mold part defining a female cavity and a second mold part defining a male mold cavity surface. The second mold part incorporates a core with a knock-out pin that is reciprocated therein and surrounded by a fixed sleeve, which together define a tamper-evident band on the cavity for the closure. Additionally, vents are provided for venting the lower edge of the cavity during the ejection-molding process. The knock-out pin also has a lubricant pocket formed on its peripheral surface.

Another notable patent is the "Linerless cap closure." This invention consists of a circular top wall and a depending annular skirt that features an internal thread with a tamper-evident band located below the skirt. An integral sealing member is attached to the lower surface of the top wall, which includes an annular protrusion with a depending annular axial projection. The tamper-evident band is connected to the skirt with several spaced tear tangs and a permanent connection, and it features an inwardly-directed bead with inclined ramps extending from the inner edge of the bead to its lower edge.

Career Highlights

Christian J John is currently employed at the American National Can Company, where he continues to innovate in the packaging industry. His work has been instrumental in developing products that meet the evolving needs of consumers and manufacturers alike.

Collaborations

Christian collaborates with his coworker, Charles A Webster, who is also a talented professional in the field. Together, they contribute to advancements in packaging technology.

Conclusion

Christian J John is a notable inventor whose work in tamper-evident closures and linerless cap closures showcases his commitment to innovation. His contributions to the American National Can Company and the packaging industry are commendable and reflect his expertise in creating practical solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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