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For the Inventor, By the Inventor

Campbellfield, Australia

Gmca Pty Limited

Calculating rank
USPTO Granted Patents = 56

% Expired Patents = 7.1


Trademarks = 2

Forward Citations = 732

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9 inventors (with patents filed for the assignee):

goldMedal Michael E Waldron (28 out of 102 patents)

silverMedal Peter John Hosking (7 out of 8 patents)

bronzeMedal Robert Firth (6 out of 21 patents)

4.  Keith Park (6 out of 10 patents)

5.  James Hastie (4 out of 4 patents)

6.  Colin Snowball (3 out of 3 patents)

7.  Nigel Roberts (2 out of 2 patents)

8.  Mike Waldron (1 out of 1 patent)

9.  Jason Jones (1 out of 1 patent)

10.  Harry Szommer (11 patents)

11.  Graham Gerhardt (12 patents)

12.  Warren Brown (0 patent)

13.  Marcus Nicholson (0 patent)


Core Competencies:
Powered Planer
Mitre Saw
Dust Extraction
Belt Sander
Cordless Drill
Angle Grinder
Jigsaw
Toolbox
Router
Portable Dust Collector
Grinder Tool
Circular Saw

56 patents:

1. D598261 - Powered planer (2009-08-18),
2. D592025 - Powered planer tool (2009-05-12),
3. 7526867 - Tool with clamping apparatus and an improved scrolling mechanism (2009-05-05),
4. D587977 - Base for a router power tool (2009-03-10),
5. D574686 - Belt sander (2008-08-12),
6. D566492 - Lawn edger (2008-04-15),
7. 7328514 - Power tool bearing arrangement (2008-02-12),
8. D555449 - Sander tool (2007-11-20),
9. 7284335 - Guideline generation apparatus for power tool (2007-10-23),
10. D552953 - Circular saw (2007-10-16),
11. D548557 - Cordless drill (2007-08-14),
12. D547338 - Mitre saw (2007-07-24),
13. D545156 - Grinder power tool (2007-06-26),
14. D544324 - Powered angle grinder (2007-06-12),
15. D540643 - Powered drill (2007-04-17),
Company Overview
Gmca Pty Limited, based in Campbellfield, Australia, specializes in the development and manufacturing of a wide range of power tools. The company focuses on innovative solutions in the power tools sector, offering products such as powered planers, mitre saws, dust extraction systems, belt sanders, cordless drills, angle grinders, jigsaws, and toolboxes. Gmca is committed to enhancing user experience through quality craftsmanship and advanced technology, catering to both professional tradespeople and DIY enthusiasts.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

56 Patents

#1 in Campbellfield

#55 in Australia

#12,772 in the World

Campbellfield, AU
Campbellfield, Australia

Gmca Pty Limited

Forward Citations = 732

9 inventors:

goldMedal Michael E Waldron (28 out of 102 patents)

silverMedal Peter John Hosking (7 out of 8 patents)

bronzeMedal Robert Firth (6 out of 21 patents)

4.  Keith Park (6 out of 10 patents)

5.  James Hastie (4 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gmca Pty Limited. Retrieved from https://idiyas.com/company/gmca-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]
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