HENDEE ENTERPRISES, INC.
9Patents
4Active
9Granted
37Portfolio score
Filing activity: May 20, 1988 → Nov 8, 2013 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6412540B1 | Structural protective windscreen | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4902173A | System and filter for preventing contamination of particulate material in railroad car during transportation and unloading | Performing Operations; Transporting | 21 | Expired |
| US5794539A | Moisture barrier filter seal for hopper rail car hatches | Performing Operations; Transporting | 6 | Expired |
| US7757439B1 | Fabric structures with tensioner and tensioner device | Fixed Constructions | 5 | Active |
| US7814921B1 | Mast supported shade canopy | Fixed Constructions | 5 | Active |
| US5628254A | Moisture barrier, filter seal for hopper rail car hatches | Performing Operations; Transporting | 4 | Expired |
| US7516577B1 | Fabric structures with tensioner and tensioner device | Fixed Constructions | 4 | Active |
| US9497954B1 | Apparatus and method for holding a fumigant container in relation to an interior of a bulk material container | Performing Operations; Transporting | 3 | Active |
| US7261492B2 | Method for rapidly deploying a fabric panel edge for flood control | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.