CIPO Patents = 5

Forward Citations = 178

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2 inventors (with patents filed for the assignee):

Ronald J Johnston (5 out of 7 patents)

Charles F Wood (2 out of 13 patents)

Clarence Pang Au (1 patent)

4. Stephen Wilson (2 patents)

5. Zygmunt Dziwak (9 patents)

6. Allan James Becker (0 patent)

7. Allan James Becker (0 patent)

7 patents: Sort by Forward Citations

1. 5154256 - Scaffold guard post and lock (1992-10-13),

2. 5141078 - Scaffold deck (1992-08-25),

3. 4926593 - Truss arrangement (1990-05-22),

4. 4841708 - Bolted aluminum shoring frame (1989-06-27),

5. 4787183 - Truss arrangement (1988-11-29),

6. 4566819 - Clamp for shoring and scaffolding frames (1986-01-28),

7. 4195873 - Lifting device (1980-04-01),

Company Overview

Aluma Systems Ltd. is a global leader in the engineering and construction industry, specializing in providing innovative and cost-effective formwork and shoring solutions. With over 40 years of experience, Aluma Systems has established a reputation for delivering high-quality products and exceptional customer service to clients around the world. Their comprehensive range of products and services caters to a wide range of construction projects, from residential buildings to large-scale infrastructure developments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#5 in Downsview

#2,102 in Canada

Downsview, Canada

Aluma Systems Ltd.

Forward Citations = 178

2 inventors:

Ronald J Johnston (5 out of 7 patents)

Charles F Wood (2 out of 13 patents)

Clarence Pang Au (1 patent)

4. Stephen Wilson (2 patents)

5. Zygmunt Dziwak (9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Aluma Systems Ltd.. Retrieved from https://idiyas.com/company/aluma-systems

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]

5 patents (CIPO):

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]