Eric K. Jamieson
18Patents
10h-index
21Co-inventors
68Inventor score
Filing activity: May 7, 1990 → Mar 11, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5984051A | Remote elevator call requests with descriptor tags | Performing Operations; Transporting | 103 | Expired |
| US5107964A | Separate elevator door chain | Performing Operations; Transporting | 34 | Expired |
| US5407028A | Tested and redundant elevator emergency terminal stopping capability | Performing Operations; Transporting | 27 | Expired |
| US5301773A | Positive terminal overspeed protection by rail grabbing | Performing Operations; Transporting | 24 | Expired |
| US5929399A | Automatic open loop force gain control of magnetic actuators for elevator active suspension | Performing Operations; Transporting | 18 | Expired |
| US5366044A | Bidirectional eddy current overspeed protection for elevators | Performing Operations; Transporting | 17 | Expired |
| US5531294A | Bias torque for elevator hoist drive to avoid rollback, rollforward | Performing Operations; Transporting | 15 | Expired |
| US5321216A | Restraining elevator car motion while the doors are open | Performing Operations; Transporting | 12 | Expired |
| US5864102A | Dual magnet controller for an elevator active roller guide | Performing Operations; Transporting | 10 | Expired |
| US5407030A | Recalibrating an elevator loadweighing system | Physics | 10 | Expired |
| US5345042A | Elevator hitch load weighing tare compensation | Physics | 9 | Expired |
| US5810120A | Roller guide assembly featuring a combination of a solenoid and an electromagnet for providing counterbalanced centering control | Performing Operations; Transporting | 8 | Expired |
| US5631452A | System for position loss recovery for an elevator car | Performing Operations; Transporting | 7 | Expired |
| US5343003A | Recalibration of hitch load weighing using dynamic tare | Physics | 7 | Expired |
| US5824976A | Method and apparatus for sensing fault conditions for an elevator active roller guide | Performing Operations; Transporting | 6 | Expired |
| US5172782A | Pivot mount of elevator load-weighing at car hitch | Physics | 6 | Expired |
| US5765663A | Methods and apparatus for preventing undue wear of elevator actuators | Performing Operations; Transporting | 4 | Expired |
| US9202248B2 | Ad matching system and method thereof | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.