For the Inventor, By the Inventor

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Hamilton, New Zealand

Tru-Test Corporation Limited

USPTO Granted Patents = 17

% Expired Patents = 41.2

Trademarks = 8

Forward Citations = 209

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31 inventors (with patents filed for the assignee):

Pieter Cornelis Lunenburg (3 out of 3 patents)

Robert Charles Bryan Woodhead (2 out of 2 patents)

Christopher E Williams (2 out of 10 patents)

4. Michael Brett Heslin (2 out of 2 patents)

5. Anthony R Carson (2 out of 6 patents)

6. Kiet Q Lam (2 out of 3 patents)

7. Brian Frederick Boult (2 out of 2 patents)

8. David James Howell (1 out of 6 patents)

9. John Murphy (1 out of 1 patent)

10. Lawrence Frederick Blount (1 out of 1 patent)

11. Eberhard Juergen Deuss (1 out of 1 patent)

12. David Cristen Greager (1 out of 1 patent)

13. Paul Teal (1 out of 1 patent)

14. Andre Terzagi (1 out of 1 patent)

15. Mark I Gunning (1 out of 2 patents)

17 patents: Sort by Forward Citations

1. D669083 - Wireless tag reader (2012-10-16),

2. 7893521 - Electric fence energiser (2011-02-22),

3. 6980924 - Weighing systems (2005-12-27),

4. 6931274 - Processing EEG signals to predict brain damage (2005-08-16),

5. 6911900 - System and method for electronically signalling along a fence line (2005-06-28),

6. 6847298 - Data transmission (2005-01-25),

7. 6820862 - Wire strainer (2004-11-23),

8. 6796941 - Brain rescue instrument and method (2004-09-28),

9. 6705247 - Remote control and data logging (2004-03-16),

10. 6459381 - Apparatus for detecting operation of an electric fence and fence charger (2002-10-01),

11. 6265981 - Apparatus for detecting operation of an electric fence and fence charger (2001-07-24),

12. 6081198 - Method and apparatus for communication in an electric fence wiring system (2000-06-27),

13. 5801339 - Load measuring apparatus (1998-09-01),

14. D393595 - Milk meter flask (1998-04-21),

15. 5734128 - Weighing crate for livestock (1998-03-31),

Tru-Test Corporation Limited is a global leader in agricultural technology, providing farmers and ranchers with innovative solutions for livestock management. With a focus on precision and efficiency, Tru-Test offers a range of products including livestock weighing systems, electronic identification tags, and milk meters. With over 50 years of experience in the industry, Tru-Test is dedicated to helping customers improve productivity and profitability on their farms.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

17 Patents

#3 in Hamilton

#40 in New Zealand

#35,823 in the World

Hamilton, New Zealand

Tru-Test Corporation Limited

Forward Citations = 209

31 inventors:

Pieter Cornelis Lunenburg (3 out of 3 patents)

Robert Charles Bryan Woodhead (2 out of 2 patents)

Christopher E Williams (2 out of 10 patents)

4. Michael Brett Heslin (2 out of 2 patents)

5. Anthony R Carson (2 out of 6 patents)

Please report any incorrect information to [email protected]

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