For the Inventor, By the Inventor

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Auckland, New Zealand

Co2 Pac Limited

USPTO Granted Patents = 40

% Expired Patents = 40.0

CIPO Patents = 3

Forward Citations = 540

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14 inventors (with patents filed for the assignee):

David Murray Melrose (36 out of 77 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 (5 out of 5 patents)

6. Campbell Melrose-Allen (3 out of 16 patents)

7. Shannon K Sprenkle (3 out of 6 patents)

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

9. Michael T Kelly (2 out of 23 patents)

10. Robert L Waltemyer, Jr (2 out of 2 patents)

11. David K Dinius, Jr (2 out of 2 patents)

12. Robert Waltemyer (1 out of 16 patents)

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

14. Sheldon E Yourist (1 out of 187 patents)

Core Competencies:

Dynamic Base

Hot-Fillable Container

Vacuum Pressure

Plastic Container

Moveable Base

Deformable Plastic

Interactive PCR Channel

Pressure Reinforced

Collapsible Container

Invertible Base

Processing Methods

Vacuum Compensation

40 patents: Sort by Forward Citations

1. 12692061 - Container with dynamic base (2026-07-28),

2. 12630328 - Plastic container having an interactive PCR channel structure and moveable base (2026-05-19),

3. D1126002 - Container (2026-05-12),

4. 12503292 - Variable displacement base and container and method of using the same (2025-12-23),

5. 12179986 - Method of handling a plastic container having a moveable base (2024-12-31),

6. 12139298 - Hot-fillable plastic container (2024-11-12),

7. 11993443 - Method of handling a plastic container having a moveable base (2024-05-28),

8. 11912459 - Variable displacement container base (2024-02-27),

9. 11905095 - Variable displacement base and container and method of using the same (2024-02-20),

10. 11897656 - Plastic container having a movable base (2024-02-13),

11. 11731823 - Method of handling a plastic container having a moveable base (2023-08-22),

12. 11377287 - Method of handling a plastic container having a moveable base (2022-07-05),

13. 11377286 - Container structure for removal of vacuum pressure (2022-07-05),

14. 10836552 - Method of handling a plastic container having a moveable base (2020-11-17),

15. 10683127 - Plastic container having a movable base (2020-06-16),

Company Overview

Co2 Pac Limited is an innovative company based in Auckland, New Zealand, specializing in sustainable solutions for carbon dioxide management. The organization focuses on developing technologies that capture and utilize CO2 emissions, contributing to environmental sustainability and climate change mitigation. With a commitment to advancing carbon capture methods, Co2 Pac Limited plays a vital role in promoting eco-friendly practices within various industries, aiming to reduce the carbon footprint and enhance resource efficiency.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

40 Patents

#10 in Auckland

#15 in New Zealand

#17,087 in the World

Auckland, New Zealand

Co2 Pac Limited

Forward Citations = 540

14 inventors:

David Murray Melrose (36 out of 77 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 (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Co2 Pac Limited. Retrieved from https://idiyas.com/company/co2-pac

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

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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