John M. Houston
21Patents
10h-index
6Co-inventors
68Inventor score
Filing activity: Oct 3, 1974 → Aug 22, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4031396A | X-ray detector | Physics | 43 | Expired |
| USD797751S1 | Portable OTG anti-counterfeit scanner | General | 37 | Active |
| US4484818A | Apparatus and method for detecting the loss of vacuum | Physics | 24 | Expired |
| US4392237A | Scanning x-ray inspection system | Physics | 24 | Expired |
| US4559790A | Apparatus for maintaining electronic equipment and the like at low temperatures in hot ambient environments | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4047040A | Gridded ionization chamber | Electricity | 19 | Expired |
| US4392235A | Electronically scanned x-ray tomography system | Electricity | 19 | Expired |
| US4047041A | X-ray detector array | Human Necessities | 19 | Expired |
| US4129783A | High speed computerized tomography imaging system | Human Necessities | 15 | Expired |
| US4394578A | High pressure, high resolution xenon x-ray detector array | Electricity | 13 | Expired |
| US4506369A | High power cesium lamp system for laser pumping | Electricity | 10 | Expired |
| US4047039A | Two-dimensional x-ray detector array | Electricity | 9 | Expired |
| US4280093A | Zero-current detector for high voltage DC transmission line | Physics | 8 | Expired |
| US3940620A | Electrostatic recording of X-ray images | Physics | 8 | Expired |
| US4069438A | Photoemissive cathode and method of using comprising either cadmiumtelluride or cesium iodide | Physics | 7 | Expired |
| US4187445A | Solenoidal electric field lamp with reduced electromagnetic interference | Electricity | 7 | Expired |
| US4126825A | Electronic current transducer for high voltage transmission lines | Physics | 6 | Expired |
| US4390839A | Method and apparatus for tone controlled variable sensitivity time-of-day watt-hour metering | Physics | 2 | Expired |
| US4475043A | Xenon x-ray detector with tapered plates | Electricity | 1 | Expired |
| USRE30644E | X-ray detector | General | 1 | Expired |
| US11138612B2 | Mobile field article identification system and method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.