For the Inventor, By the Inventor

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Auckland, New Zealand

Co2 Pac Limited

USPTO Granted Patents = 37

CIPO Patents = 3

Forward Citations = 510

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11 inventors (with patents filed for the assignee):

David Murray Melrose (33 out of 74 patents)

John E Denner (19 out of 39 patents)

Paul V Kelley (18 out of 71 patents)

4. Gregory A Trude (11 out of 32 patents)

5. Raymond A Pritchett, Jr (3 out of 3 patents)

6. Willie F Hatcher (2 out of 9 patents)

7. Michael T Kelly (2 out of 22 patents)

8. Robert Waltemyer (1 out of 16 patents)

9. Shannon K Sprenkle (1 out of 4 patents)

10. Justin A Howell (1 out of 44 patents)

11. Sheldon E Yourist (1 out of 186 patents)

12. Raymond A Pritchett (2 patents)

13. Mark O Borger (0 patent)

37 patents: Sort by Forward Citations

1. 12503292 - Variable displacement base and container and method of using the same (2025-12-23),

2. 12179986 - Method of handling a plastic container having a moveable base (2024-12-31),

3. 12139298 - Hot-fillable plastic container (2024-11-12),

4. 11993443 - Method of handling a plastic container having a moveable base (2024-05-28),

5. 11912459 - Variable displacement container base (2024-02-27),

6. 11905095 - Variable displacement base and container and method of using the same (2024-02-20),

7. 11897656 - Plastic container having a movable base (2024-02-13),

8. 11731823 - Method of handling a plastic container having a moveable base (2023-08-22),

9. 11377287 - Method of handling a plastic container having a moveable base (2022-07-05),

10. 11377286 - Container structure for removal of vacuum pressure (2022-07-05),

11. 10836552 - Method of handling a plastic container having a moveable base (2020-11-17),

12. 10683127 - Plastic container having a movable base (2020-06-16),

13. 10661939 - Pressure reinforced plastic container and related method of processing a plastic container (2020-05-26),

14. 10611544 - Method of handling a plastic container having a moveable base (2020-04-07),

15. 10435223 - Method of handling a plastic container having a moveable base (2019-10-08),

CO2 PAC Limited is a leading provider of carbon dioxide (CO2) solutions for various industries. We specialize in the production, packaging, and distribution of high-quality CO2 gas and dry ice. With state-of-the-art facilities and a dedicated team, we ensure reliable and sustainable CO2 supply to meet our customers' diverse needs. Our products are used in sectors such as food and beverage, healthcare, agriculture, and industrial applications. We are committed to delivering excellence in quality, safety, and customer service, making us a trusted partner in the CO2 industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

37 Patents

#8 in Auckland

#15 in New Zealand

#17,726 in the World

Auckland, New Zealand

Co2 Pac Limited

Forward Citations = 510

11 inventors:

David Murray Melrose (33 out of 74 patents)

John E Denner (19 out of 39 patents)

Paul V Kelley (18 out of 71 patents)

4. Gregory A Trude (11 out of 32 patents)

5. Raymond A Pritchett, Jr (3 out of 3 patents)

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