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For the Inventor, By the Inventor

St. Leonards, Australia

The Commonwealth Industrial Gases Ltd.

Calculating rank
USPTO Granted Patents = 19

Forward Citations = 307

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26 inventors (with patents filed for the assignee):

goldMedal William P Shore (3 out of 3 patents)

silverMedal Robert G Shaw (2 out of 2 patents)

bronzeMedal Kurt Hanseler (1 out of 1 patent)

4.  Paul A Coffre (1 out of 1 patent)

5.  Denys A Wickens (1 out of 1 patent)

6.  Mervyn R Ogston (1 out of 1 patent)

7.  Brian J Johnson (1 out of 1 patent)

8.  Denys Wickens (1 out of 1 patent)

9.  Michael Bishop (1 out of 1 patent)

10.  Michael Karbanowicz (1 out of 1 patent)

11.  David Schonstein (1 out of 1 patent)

12.  Walter Hoecker (1 out of 2 patents)

13.  John A McGrath (1 out of 1 patent)

14.  Murray R Robertson (1 out of 1 patent)

15.  Ronald W Holmes (1 out of 1 patent)


19 patents:

1. 5879542 - Flotation process (1999-03-09),
2. 5538184 - CO.sub.2 snow discharge apparatus (1996-07-23),
3. 5520211 - Pressure reduction and flow regulation device (1996-05-28),
4. 5441642 - Method and apparatus for controlled biological treatment of waste water (1995-08-15),
5. 5370713 - Automatic plant dividing system (1994-12-06),
6. 5365752 - Freezing apparatus (1994-11-22),
7. 5332502 - Wastewater treatment (1994-07-26),
8. 5121595 - Balloon inflating machine (1992-06-16),
9. 5067301 - Balloon inflating machine (1991-11-26),
10. 4778042 - Vending machine (1988-10-18),
11. 4417673 - Spray dispenser for a container of a fluid under pressure (1983-11-29),
12. 4352365 - Pressure vessel safety valve (1982-10-05),
13. 4342647 - Treatment of scrap (1982-08-03),
14. 4341080 - Method for refrigeration (1982-07-27),
15. 4325221 - Method and apparatus for reducing the temperature of articles (1982-04-20),
Company Overview
The Commonwealth Industrial Gases Ltd. specializes in the development and supply of industrial gases and related products. With a focus on providing high-quality gases for various applications, the company serves sectors such as manufacturing, healthcare, and food processing. Their expertise encompasses gas production, distribution, and innovative solutions tailored to meet the specific needs of their clients. Operating from St. Leonards, Australia, the company is committed to advancing technology in the industrial gas sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

19 Patents

#1 in St. Leonards

#188 in Australia

#32,705 in the World

St. Leonards, AU
St. Leonards, Australia

The Commonwealth Industrial Gases Ltd.

Forward Citations = 307

26 inventors:

goldMedal William P Shore (3 out of 3 patents)

silverMedal Robert G Shaw (2 out of 2 patents)

bronzeMedal Kurt Hanseler (1 out of 1 patent)

4.  Paul A Coffre (1 out of 1 patent)

5.  Denys A Wickens (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Commonwealth Industrial Gases Ltd.. Retrieved from https://idiyas.com/company/commonwealth-industrial-gases

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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