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For the Inventor, By the Inventor

San Francisco, CA, United States of America

Rawson L Chenault

USPTO Granted Patents = 15

Average Co-Inventor Count = 2.6

ph-index = 12

Forward Citations = 331(Granted Patents)


Location History:

  • San Jose, CA (US) (1996)
  • Newark, CA (US) (1992 - 1999)
  • San Francisco, CA (US) (1996 - 1999)

Company Filing History:

goldMedal14 out of 132 
 
Portola Packaging Limited
 patents
silverMedal1 out of 1 
 
Cup Snap Co.
 patent

Years Active: 1992-1999

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15 patents (USPTO):Explore Patents
1. 5915574 - Fitment having removable membrane (1999-06-29),
2. 5887738 - Foil lined snap-on, screw-off closure and container neck (1999-03-30),
3. 5810184 - Fitment having removable membrane (1998-09-22),
4. 5678719 - Unitary tamper-evident fitment and closure assembly (1997-10-21),
5. 5664694 - Foil lined snap-on, screw-off closure and container neck (1997-09-09),
6. 5624623 - Method of making an inwardly directed projection on a plastic container (1997-04-29),
7. 5573134 - Container with curled tamper-evident band to retain closure (1996-11-12),
8. 5528814 - Container with curled tamper-evident band to retain closure (1996-06-25),
9. 5512228 - Unitary tamper-evident fitment and closure assembly (1996-04-30),
10. 5398836 - Container with tamper-evident band having inward bent retainer (1995-03-21),
11. 5348184 - Unitary tamper-evident fitment and closure assembly (1994-09-20),
12. 5348183 - Tamper-evident, initially unitary, fitment and closure (1994-09-20),
13. 5303838 - Frangible fitment for container (1994-04-19),
14. 5283940 - Method of forming tamper-evident container and closure by curling (1994-02-08),
15. 5163575 - Container with curled tamper-evident band to retain closure (1992-11-17),

Title: The Innovative Contributions of Rawson L. Chenault

Introduction

Rawson L. Chenault is a notable inventor based in San Francisco, California, with a remarkable portfolio of 15 patents. His work primarily focuses on advancements in packaging technology, particularly in creating user-friendly and tamper-evident closures for containers.

Latest Patents

Among his latest inventions is a fitment having a removable membrane designed for use as a pour spout for paper cartons or flexible bags containing liquids and powders. This innovative fitment features a flange that can be welded around a hole in the carton, with a spout projecting outward. The removable membrane is integral with an inward projection positioned midway up the spout, allowing for easy removal via a pull ring. Another significant patent involves a tamper-evident, snap-on, screw-off closure that utilizes a foil liner. This closure is designed to seal securely to a specially shaped container neck, ensuring product integrity and safety.

Career Highlights

Throughout his career, Rawson has worked with several companies, including Portola Packaging Limited and Cup Snap Co. His contributions to these organizations have significantly advanced the field of packaging technology, particularly in creating solutions that enhance user experience and product security.

Collaborations

Rawson has collaborated with talented individuals such as Daniel Randolph Luch and Brian M. Adams, contributing to a dynamic exchange of ideas and innovations in their projects.

Conclusion

Rawson L. Chenault's inventive spirit and dedication to improving packaging solutions have made a lasting impact in the industry. His patents reflect a commitment to innovation and user safety, showcasing his role as a significant contributor to modern packaging technology.

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