Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Operating wrench for tamperproof hydrants

Operating wrench for tamperproof hydrants

US Patent 4554944 · Granted Nov 26, 1985

Estimated economic value: $1,417,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Auxiliary gas connection for meter sets1998
Angle dual check valve1993
Tamperproof rotary valve1992
Method of installing a stopper in a fitting and apparatus therefor1989
Structure for sealing and affixing a cover on a valve body and method of manufac1989
Structure for sealing and affixing a cover on a valve body and method of manufac1989
Abandoning plug for hose nozzle1989
Abandoning plug for hose nozzle1989
Underground meter box1989
Frangible coupling for barrel sections of a fire hydrant1988
Theft-resistant valve1987
Operating wrench for tamperproof hydrants1987