Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device for sealing an opening and slide valve comprising such a device

Device for sealing an opening and slide valve comprising such a device

US Patent 4705259 · Granted Nov 10, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Diaphragm safety device with upstream active bursting knife1989
Method and apparatus for machining the wall of a cylindrical tube by milling a g1988
Method and apparatus for machining the wall of a cylindrical tube by milling a g1988
Method and apparatus for machining the wall of a cylindrical tube by milling a g1988
Isolation and protection device for working on tubing, and in particular on nucl1986
Method for tapping into tubing under a controlled atmosphere, in particular for 1986