Carl E. Tack, Jr.
15Patents
9h-index
2Co-inventors
62Inventor score
Filing activity: Apr 30, 1975 → Jul 21, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4333403A | Retainer railway car truck bolster spring | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US4203371A | Resilient pedestal wear plate | Performing Operations; Transporting | 39 | Expired |
| US4428303A | Pedestal wear plate | Performing Operations; Transporting | 37 | Expired |
| US6234083A | Resilient clip-on wear plate | Performing Operations; Transporting | 31 | Expired |
| US5425312A | Stabilized pedestal wear plate | Performing Operations; Transporting | 26 | Expired |
| US4378592A | Computer directed loading and unloading devices | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4653311A | Short stroke press with automated feed mechanism | Performing Operations; Transporting | 22 | Expired |
| US4408281A | Control system for synchronizing multiple presses in a line | Electricity | 16 | Expired |
| US3941987A | Method and apparatus for numerical control | Physics | 15 | Expired |
| US5222442A | Torsion bar railway truck | Performing Operations; Transporting | 6 | Expired |
| US5839549A | Brake shoe assembly and key for railway vehicles | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4405081A | Rail fastener with gauge adjustment | Fixed Constructions | 3 | Expired |
| US5620159A | Hanger assembly for liquid irrigator and sleeve | Human Necessities | 3 | Expired |
| US4446785A | Hydraulic clutching and braking system for starting and stopping a power press | Performing Operations; Transporting | 1 | Expired |
| US4942946A | Bottom rod safety guard for railway brake rigging | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.