For the Inventor, By the Inventor

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Campbellfield, Australia

Gmca Pty Limited

USPTO Granted Patents = 56

% Expired Patents = 7.1

CIPO Patents = 2

Trademarks = 2

Forward Citations = 730

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9 inventors (with patents filed for the assignee):

Michael E Waldron (28 out of 102 patents)

Peter John Hosking (7 out of 8 patents)

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: Sort by Forward Citations

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),

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 based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

56 Patents

#1 in Campbellfield

#55 in Australia

#12,744 in the World

Campbellfield, Australia

Gmca Pty Limited

Forward Citations = 730

9 inventors:

Michael E Waldron (28 out of 102 patents)

Peter John Hosking (7 out of 8 patents)

Robert Firth (6 out of 21 patents)

4. Keith Park (6 out of 10 patents)

5. James Hastie (4 out of 4 patents)

Please report any incorrect information to [email protected]

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