Enter assignee name

% Expired Patents = 37.5

Forward Citations = 125

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5 inventors (with patents filed for the assignee):

Terrance H Gray (6 out of 11 patents)

Kristen K Hedstrom (4 out of 5 patents)

William V Shaffer (4 out of 11 patents)

4. Claude Nail (1 out of 1 patent)

5. Francois Buron (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 8002497 - Coupler for leaching chamber systems (2011-08-23),

2. D595821 - Heat pump for swimming pools (2009-07-07),

3. 7413382 - Coupler for leaching chamber systems (2008-08-19),

4. 7261149 - Heat exchanger with pipe coils and helical spreader ribs (2007-08-28),

5. 7160059 - Adjustable angle coupler for leaching chamber systems (2007-01-09),

6. 6592293 - Adjustable angle coupler for leaching chamber systems (2003-07-15),

7. 6270287 - Leaching chamber (2001-08-07),

8. 6076993 - Leaching chamber (2000-06-20),

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