% Expired Patents = 38.5

CIPO Patents = 1

EPO Patents = 3

Forward Citations = 31

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5 inventors (with patents filed for the assignee):

Gerardus J Brouwer (13 out of 32 patents)

Robert Milwain (12 out of 14 patents)

Ralph Ratsep (3 out of 5 patents)

4. Mathias Marie Gerardus Hendriks (3 out of 3 patents)

5. Ian L Morgan (2 out of 2 patents)

6. Mathias Marie Hendriks (0 patent)

13 patents: Sort by Forward Citations

1. 12575510 - Sod harvesting systems and related methods (2026-03-17),

2. 12356902 - Sod handling apparatus (2025-07-15),

3. 12329073 - Sod harvesting systems with slab length adjustability (2025-06-17),

4. 12022776 - Sod handling apparatus (2024-07-02),

5. 10743479 - Sod handling apparatus (2020-08-18),

6. 9198338 - Sod harvesting apparatus and system for disposing of a defective sod roll (2015-12-01),

7. 8505643 - Method and apparatus for harvesting and picking up sod (2013-08-13),

8. 8479835 - Method and apparatus for harvesting and picking up sod (2013-07-09),

9. 8336638 - Method and apparatus for harvesting and picking up sod (2012-12-25),

10. 8235131 - Method and apparatus for harvesting and picking up sod (2012-08-07),

11. 7721814 - Method and apparatus for harvesting and picking up sod (2010-05-25),

12. 7407362 - Method and apparatus for lifting sod from the top (2008-08-05),

13. 6779610 - Defective sod rejector and deflector (2004-08-24),

Company Overview

1045929 Ontario Limited is a company based in Keswick, Canada, specializing in the development and manufacturing of innovative solutions across various sectors. The organization focuses on leveraging advanced technologies to enhance product offerings, with a commitment to quality and efficiency. Its expertise spans multiple domains, including engineering and design, positioning it as a key player in the regional market. The company aims to address evolving industry needs through research-driven approaches and strategic collaborations.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#2 in Keswick

#1,164 in Canada

#45,039 in the World

Keswick, Canada

1045929 Ontario Limited

Forward Citations = 31

5 inventors:

Gerardus J Brouwer (13 out of 32 patents)

Robert Milwain (12 out of 14 patents)

Ralph Ratsep (3 out of 5 patents)

4. Mathias Marie Gerardus Hendriks (3 out of 3 patents)

5. Ian L Morgan (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: 1045929 Ontario Limited. Retrieved from https://idiyas.com/company/1045929-ontario

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]

1 patent (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]

3 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]