Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for detecting leaks and other defects on sewers and the like channels

Method and apparatus for detecting leaks and other defects on sewers and the like channels

US Patent 4913558 · Granted Apr 3, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Motion tracking2019
Occupancy interaction detection2019
Tracking locations of a computing device and recording locations of sensor units2018
Motion tracking2017
Configuring a plurality of sensor devices of a structure2017
Configuring a set of devices of a structure2017
Universal non-volatile memory card used with various different standard cards co2014
Universal non-volatile memory card used with various different standard cards co2008
Universal non-volatile memory card used with various different standard cards co2006
Method and apparatus for providing a reformatted video image to a display1996