Flow-Rite Controls, Ltd.
51Patents
21Active
51Granted
44Portfolio score
Filing activity: May 19, 1988 → Nov 11, 2020 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6257626A | Connector for fluid handling system | Mechanical Engineering; Lighting; Heating | 206 | Expired |
| US5542605A | Automatic liquid dispenser | Human Necessities | 66 | Expired |
| US5197708A | Tubing pinch valve device | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US5181540A | Electric multi-point positioner | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6443496B2 | Connector for fluid handling system | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US4819577A | Fluid flow indicator | Physics | 27 | Expired |
| US6311727A | Diverter valve | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5284176A | Battery refill system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5876639A | Livewell and baitwell aerator | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5634592A | Flow control apparatus and method for making same | Human Necessities | 16 | Expired |
| US5090442A | Field repairable apparatus for use in filling containers to a predetermined level | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5832946A | Low profile battery refill system | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5353957A | Apparatus and method for controlled dispensing of a liquid | Fixed Constructions | 13 | Expired |
| US4927568A | Apparatus for aerating water in a container | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6834888B2 | Connector | Human Necessities | 10 | Expired |
| US4832073A | System for filling a baitwell in a fishing boat | Emerging Cross-Sectional Technologies | 10 | Expired |
| US8113234B2 | Stem-mounted tire inflation pressure regulator | Emerging Cross-Sectional Technologies | 10 | Active |
| US6227229A | High gain fluid control valve assembly | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6082702A | Tubing pinch valve and mounting bracket assembly | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5048557A | Main valve and seat for use in filling containers to a predetermined level | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5236175A | Three position livewell control valve | Performing Operations; Transporting | 8 | Expired |
| US4948095A | Shut-off valve | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US6065498A | Liquid flow control device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7029786B2 | Single point watering apparatus for lead-acid battery | Emerging Cross-Sectional Technologies | 6 | Expired |
| US8425168B2 | Locking threaded fastener | Mechanical Engineering; Lighting; Heating | 6 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.