Wray-Tech Instruments, Inc.
8Patents
0Active
8Granted
26Portfolio score
Filing activity: Mar 5, 1990 → Jan 23, 1997
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5038876A | Hydraulic control system for weighing | Performing Operations; Transporting | 22 | Expired |
| US5065829A | Hydraulic control system for weighing | Performing Operations; Transporting | 17 | Expired |
| US5064008A | Hydraulic control system for weighing | Performing Operations; Transporting | 13 | Expired |
| US5065828A | Hydraulic control system for weighing | Performing Operations; Transporting | 12 | Expired |
| US5139101A | Hydraulic control system for weighing and two-way valve therefor | Performing Operations; Transporting | 10 | Expired |
| US5195418A | Hydraulic control system for weighting and two-way valve therefor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5287885A | Hydraulic control system for weighing and two-way valve therefor | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5703333A | Surface mount torque loadcell | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.