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For the Inventor, By the Inventor

Melbourne, Australia

Comalco Aluminum Limited


USPTO Granted Patents = 23

% Expired Patents = 8.7

Forward Citations = 136

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49 inventors (with patents filed for the assignee):

goldMedal Raymond Walter Shaw (4 out of 25 patents)

silverMedal John A Eady (3 out of 4 patents)

bronzeMedal Kevin P Rogers (3 out of 3 patents)

4.  William H Andrews (3 out of 4 patents)

5.  Drago Dragutin Juric (2 out of 13 patents)

6.  Michael John Hollitt (2 out of 3 patents)

7.  Christopher J Heathcock (2 out of 4 patents)

8.  Paul J Chiron (2 out of 2 patents)

9.  Geoffrey J Houston (2 out of 4 patents)

10.  Rodney A Legge (2 out of 3 patents)

11.  Christopher Geoffrey Goodes (2 out of 3 patents)

12.  David J Milne (2 out of 4 patents)

13.  Ronald W Moyle (2 out of 2 patents)

14.  James P Peters (2 out of 2 patents)

15.  Barry John Welch (1 out of 2 patents)


23 patents:

1. 6892586 - Measuring and controlling the flow of flowable materials (2005-05-17),
2. 6582670 - Feed processing for improved alumina process performance (2003-06-24),
3. 6309615 - Process for removing reactive silica from a bayer process feedstock (2001-10-30),
4. 6279645 - Bleed out detector for direct chill casting (2001-08-28),
5. 5667664 - Ledge-free aluminum smelting cell (1997-09-16),
6. 5529761 - Production of low soda alumina (1996-06-25),
7. 5484492 - Al-Si alloys and method of casting (1996-01-16),
8. 5477906 - Casting of metal objects (1995-12-26),
9. 5316070 - Controlled casting of Al-Si hypereutectic alloys (1994-05-31),
10. 5217546 - Cast aluminium alloys and method (1993-06-08),
11. 5098873 - Low cement refractory (1992-03-24),
12. 5089093 - Process for controlling aluminum smelting cells (1992-02-18),
13. 5085830 - Process for making aluminum-lithium alloys of high toughness (1992-02-04),
14. 5043047 - Aluminum smelting cells (1991-08-27),
15. 4943367 - Process for the production of high purity coke from coal (1990-07-24),
Company Overview
Comalco Aluminum Limited is a prominent player in the aluminum industry, specializing in the development and production of aluminum products. Based in Melbourne, Australia, the company focuses on innovative solutions that cater to various sectors, including construction, transportation, and packaging. Comalco is committed to sustainability and efficiency in its manufacturing processes, leveraging advanced technologies to enhance product quality and reduce environmental impact. The organization plays a significant role in the regional aluminum supply chain, contributing to both local and international markets.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

23 Patents

#18 in Melbourne

#139 in Australia

#27,649 in the World

Melbourne, AU
Melbourne, Australia

Comalco Aluminum Limited

Forward Citations = 136

49 inventors:

goldMedal Raymond Walter Shaw (4 out of 25 patents)

silverMedal John A Eady (3 out of 4 patents)

bronzeMedal Kevin P Rogers (3 out of 3 patents)

4.  William H Andrews (3 out of 4 patents)

5.  Drago Dragutin Juric (2 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Comalco Aluminum Limited. Retrieved from https://idiyas.com/company/comalco-aluminum

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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