Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
5 Patents
#38 in New South Wales
#799 in Australia
Dywidag-Systems International Pty Limited
Forward Citations = 29
7 inventors:
Dywidag-Systems International Pty Limited
Calculating rank
% Expired Patents = 60.0
CIPO Patents = 2
EPO Patents = 2
Forward Citations = 29
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7 inventors (with patents filed for the assignee):
Mieczyslaw Rataj (3 out of 12 patents)
David William Evans (2 out of 2 patents)
Derek Colin Hird (2 out of 2 patents)
4. Otmar Langwadt (1 out of 7 patents)
5. Alan Henderson (1 out of 1 patent)
6. Albert Taylor (1 out of 1 patent)
7. Andrew Boychuk (1 out of 1 patent)
8. Astrid Buder (3 patents)
9. Kolja Wieczorek (1 patent)
10. Mieczyslaw Stanislaw Rataj (0 patent)
11. Mark A Zercher (0 patent)
12. Mieczyslaw Stanislaw Rataj (0 patent)
5 patents:
Company Overview
Dywidag-systems International Pty Limited is a leading manufacturer and supplier of construction systems, specializing in post-tensioning, geotechnical and formwork solutions. With over 150 years of experience, they provide innovative and reliable solutions for infrastructure projects worldwide.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dywidag-Systems International Pty Limited. Retrieved from https://idiyas.com/company/dywidag-systems-international-pty
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]
2 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]
2 patents (EPO):
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]