Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and device for mechanical testing of civil engineering structure surfacings

Method and device for mechanical testing of civil engineering structure surfacings

US Patent 4881405 · Granted Nov 21, 1989

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compact leak detector2002
Apparatus for re-homogenizing a gas/liquid mixture1994
Gas pumping installation having means for regulating its pumping speed1993
Pumping apparatus for pumping a gas by means of an oil-sealed vane pump and appl1993
Valve and apparatus using said valve1991
Anti-return safety apparatus1991
Valve which is opened by reduced pressure1986
Oil-sealed vane pump1986