James P. Waters
31Patents
15h-index
25Co-inventors
81Inventor score
Filing activity: May 8, 1975 → Aug 12, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4892406A | Method of and arrangement for measuring vibrations | Physics | 139 | Expired |
| US3986767A | Optical focus device | Physics | 59 | Expired |
| US3986774A | Gauging surfaces by remotely tracking multiple images | Physics | 48 | Expired |
| US7063057B1 | Method for effectively diagnosing the operational state of a variable valve lift device | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4627731A | Common optical path interferometric gauge | Physics | 40 | Expired |
| US4358202A | Apparatus and method for monitoring the surface character of circular objects | Physics | 38 | Expired |
| US6968103B1 | Optical fiber coupler and method for making same | Physics | 35 | Expired |
| US4299491A | Noncontact optical gauging system | Physics | 28 | Expired |
| US7047924B1 | Method for diagnosing the operational state of a two-step variable valve lift device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6640028B1 | Bend-type fiber optic light injector | Physics | 25 | Expired |
| US7761217B2 | Diagnostics for two-mode variable valve activation devices | Emerging Cross-Sectional Technologies | 22 | Active |
| US5101664A | Optical pressure transducer | Physics | 21 | Expired |
| US4088890A | Optical position detector | Performing Operations; Transporting | 19 | Expired |
| US7314034B1 | System for verifying cylinder deactivation status in a multi-cylinder engine | Emerging Cross-Sectional Technologies | 19 | Active |
| US4585978A | Magnetostrictive actuator with feedback compensation | Electricity | 17 | Expired |
| US6758187B2 | Method and apparatus to estimate oil aeration in an engine | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US6725821B2 | Apparatus and method for starting an engine | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US7325534B1 | Supplemental internal air cooling of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8464675B2 | Method for operating an oil control valve | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US4610274A | Fluidic device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8428259B2 | Apparatus and method for all-optical encryption and decryption of an optical signal | Electricity | 5 | Active |
| US8899199B1 | Camshaft phaser and lock pin thereof | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US6718921B2 | Method and apparatus for cleaning an oil control valve for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6665469B1 | Light injector/extractor for multiple optical fibers | Physics | 4 | Expired |
| US4904082A | Fringe visibility enhancement arrangement and method | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.