Trinity, Texas
United States
4
2010-02-25
The entities that hold a legal rights for patent applications filed by inventor Dach, JR. Anton J.:
Anton J. Dach, JR. from Trinity, US has applied for patents for these inventions. The list has both pending applications and granted patents:
System, method and apparatus for split gate valve with mechanically isolated seal surfaces
#2 | 2009-02-05Independent wellhead drilling adapter
#3 | 2008-06-12Flex-lock metal seal system for wellhead members
#4 | 2005-08-16Interference-fit seal for gate valves
3760014 ⎘