Hydra-Stop LLC
9Patents
7Active
9Granted
41Portfolio score
Filing activity: Oct 21, 1998 → Mar 12, 2020
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6125868A | Method and apparatus for maintaining valves in a water distribution system | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6810903B1 | Conduit flow controller | Emerging Cross-Sectional Technologies | 15 | Expired |
| US9644779B2 | Gate valves for installation in pressurized pipes | Emerging Cross-Sectional Technologies | 6 | Active |
| US10473560B2 | Pipe core sampling and tapping apparatus | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9829141B2 | Linestops, nozzles and completion plugs for installation in pressurized pipes | Emerging Cross-Sectional Technologies | 3 | Active |
| US10619747B2 | Expanding gate valve assembly with pressure equalization system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11248992B2 | Systems and methods for accessing and monitoring a fluid within a pressurized pipe | Physics | 2 | Active |
| US10718458B2 | Automated pressure equalization above and below completion plug of gate valve cartridge or a completion plug of a line stop fitting | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11530761B2 | Systems and methods for protecting a tether line disposed in a pressurized pipe | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.