Spiroflow Systems, Inc.
7Patents
5Active
7Granted
45Portfolio score
Filing activity: May 31, 2001 → May 10, 2022 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7798313B2 | Dynamic tension control apparatus and method for aero-mechanical conveyor | Performing Operations; Transporting | 13 | Active |
| US6598736B2 | Tension control apparatus and method for aero-mechanical conveyor | Performing Operations; Transporting | 5 | Expired |
| US9033136B2 | Tensioning assembly for cable drag conveyor with tensioning assembly and method of controlling tension in a cable drag conveyor | Performing Operations; Transporting | 4 | Active |
| US6439377B1 | Tension control apparatus and method for aero-mechanical conveyor | Performing Operations; Transporting | 3 | Expired |
| US12030725B2 | In-line rail valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8777060B2 | Discharger for side-secured bag spout | Emerging Cross-Sectional Technologies | 0 | Active |
| US10940487B2 | Integrated magnetic particle separating valve and method | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.