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Home › Companies › Gp Industries

GI

Gp Industries — 8 Patents

Rank (All Time): #68,757 of 105,732Top 70%

6 inventors

8 Patents All Time

Patents per Year

Top Inventors at Gp Industries All Time

Showing 1–6 of 6 inventors

Rank	Name	Patents
1	Elmo W. Geppelt	4
1	William H. Poore	4
3	Garry R. Perkins	3
#4	Leonard Browning	1
#4	Mark A. Smith	1
#4	Richard D. Christensen	1

Most Valuable Patents

Patent	Est. Value	Year
Plastic block retaining wall with attached keylock facing panels	$84M	2000
Header and tube for use in a heat exchanger	$35M	1991
Method of making a double wall twist tube	$19M	1995
Heat pipe	$18M	1991
Masonry block retaining wall with attached keylock facing panels and method of constructing the same	$18M	1998

All 100 most valuable US patents →