William Shields
20Patents
7h-index
25Co-inventors
69Inventor score
Filing activity: Feb 13, 1976 → Feb 26, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4822034A | Barbell system | Human Necessities | 87 | Expired |
| US5123885A | Freeweight locking mechanism | Human Necessities | 81 | Expired |
| US5284463A | Weight lifting apparatus | Human Necessities | 46 | Expired |
| US4982957A | Alignment apparatus for use in freeweight barbell systems | Human Necessities | 43 | Expired |
| US4130315A | Motorcycle fairing with vent means | Performing Operations; Transporting | 28 | Expired |
| US4953855A | Method and apparatus for variable proportional weight lifting exercises | Human Necessities | 25 | Expired |
| US4010976A | Motorcycle fairing | Performing Operations; Transporting | 16 | Expired |
| US9126609B2 | Systems and methods for controlling warnings at vehicle crossings | Performing Operations; Transporting | 6 | Active |
| US8937637B2 | Method and apparatus providing synchronization and control for server-based multi-screen videoconferencing | Electricity | 4 | Active |
| US9026360B2 | Systems and methods for providing constant warning time at crossings | Performing Operations; Transporting | 4 | Active |
| US8833703B2 | Systems and method for a crossing equipment controller | Performing Operations; Transporting | 2 | Active |
| US10288218B2 | System, apparatus and method for mounting a device | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9481385B2 | Systems and methods for predictive maintenance of crossings | Physics | 1 | Active |
| US10479381B2 | System and method for controlling a level crossing | Physics | 1 | Active |
| US9420038B2 | Method and apparatus providing synchronization and control for server-based multi-screen videoconferencing | Electricity | 1 | Active |
| US10292230B2 | System and method for controlling a wayside device | Electricity | 0 | Active |
| US10479383B2 | System and method for controlling a level crossing | Performing Operations; Transporting | 0 | Active |
| US10252735B2 | Route monitoring system and method | Performing Operations; Transporting | 0 | Active |
| US10562555B2 | Method for controlling a level crossing and railway installation for implementing such method | Performing Operations; Transporting | 0 | Active |
| US10471978B2 | System and method for controlling a level crossing | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.