For the Inventor, By the Inventor

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Georgetown, Canada

Solinst Canada Limited

USPTO Granted Patents = 18

Trademarks = 3

Forward Citations = 510

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16 inventors (with patents filed for the assignee):

Douglas J Belshaw (11 out of 12 patents)

Donald A Toon (8 out of 9 patents)

Jamieson Edward Champ (4 out of 4 patents)

4. Kevin Allan Dooley (3 out of 3 patents)

5. Andrew R Dobson (3 out of 3 patents)

6. James Gerard Pianosi (2 out of 2 patents)

7. Ronald Ernest Russell Patey (2 out of 2 patents)

8. John Howard Parent (2 out of 2 patents)

9. Ronald Ernest Patey (2 out of 3 patents)

10. Jean Bruce Belshaw, Legal Representative (1 out of 1 patent)

11. John Howard C Parent (1 out of 1 patent)

12. Peter F Kuryllowicz (1 out of 2 patents)

13. Richard J Belshaw (1 out of 1 patent)

14. William S Burrows (1 out of 1 patent)

15. Bent Skov (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 7222668 - Sample extraction system for boreholes (2007-05-29),

2. 6843119 - Apparatus for measuring and recording data from boreholes (2005-01-18),

3. 6758274 - Sample extraction system for boreholes (2004-07-06),

4. 6581682 - Expandable borehole packer (2003-06-24),

5. 6550321 - Apparatus for measuring and recording data from boreholes (2003-04-22),

6. 6286603 - Packing system and method for boreholes (2001-09-11),

7. 6158276 - Apparatus for measuring and recording data from boreholes (2000-12-11),

8. 615827 - Apparatus for measuring and recording data from boreholes (2000-12-12),

9. 5526879 - Introduction of particulate material into a borehole (1996-06-18),

10. 5485881 - Groundwater sampler (1996-01-23),

11. 5392853 - Plugging system for boreholes (1995-02-28),

12. 5255945 - End-to-end jointing system for tubes and pipes (1993-10-26),

13. 5237857 - Down-hole liquid detecting apparatus (1993-08-24),

14. 5195583 - Borehole packer (1993-03-23),

15. 5031452 - Water level probe (1991-07-16),

Solinst Canada Ltd. is a leading manufacturer of high quality groundwater and surface water monitoring instrumentation. Our products are used by environmental professionals around the world to measure and analyze water levels, temperatures, and conductivity. With over 35 years of experience in the industry, Solinst is committed to providing innovative solutions for groundwater monitoring and data management.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

18 Patents

#3 in Georgetown

#779 in Canada

#33,199 in the World

Georgetown, Canada

Solinst Canada Limited

Forward Citations = 510

16 inventors:

Douglas J Belshaw (11 out of 12 patents)

Donald A Toon (8 out of 9 patents)

Jamieson Edward Champ (4 out of 4 patents)

4. Kevin Allan Dooley (3 out of 3 patents)

5. Andrew R Dobson (3 out of 3 patents)

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