Keith Johnson
20Patents
10h-index
23Co-inventors
75Inventor score
Filing activity: Mar 5, 1981 → Sep 28, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5717609A | System and method for energy measurement and verification with constant baseline reference | Physics | 124 | Expired |
| US6900724B2 | Virtual electronic back-up alignment apparatus | Performing Operations; Transporting | 31 | Expired |
| US4728834A | Compact digital resolver/encoder assembly with flexible circuit board | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5895748A | Panel of antibodies for detecting cadherins and catenins in tissues and method of using the panel of antibodies | Physics | 24 | Expired |
| US6634723B1 | Electro-hydraulic control unit for an electronic brake control system | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4810917A | Digital resolver/encoder assembly | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4369080A | Means for sensing and controlling the amount of starch applied to form corrugated board | Physics | 22 | Expired |
| US5997866A | Panel of antibodies for detecting cadherins, catenins and plaque proteins in tissues and method of using the panel | Physics | 22 | Expired |
| US7137325B2 | System for conveying and slicing | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4389969A | Glue detector | Performing Operations; Transporting | 13 | Expired |
| US7930725B2 | Early warning fault identification and isolation system for a two-way cable network | Electricity | 6 | Active |
| US7594252B2 | Early warning fault identification and isolation system for a two-way cable network | Electricity | 4 | Active |
| US8646470B2 | Compact washing flume system | Human Necessities | 4 | Active |
| US7383473B2 | System and method for identifying and isolating faults in a video on demand provisioning system | Electricity | 3 | Active |
| US8683916B2 | Frying method and apparatus | Human Necessities | 1 | Active |
| US11130405B2 | System and method of powering an external device with a vehicular battery system | Emerging Cross-Sectional Technologies | 1 | Active |
| US8652561B2 | Frying method | Human Necessities | 0 | Active |
| US9055840B2 | Apparatus for and method of heating an operating fluid | Human Necessities | 0 | Active |
| US10667530B2 | Automated process for determining amount of meat remaining on animal carcass | Physics | 0 | Active |
| US11642965B2 | System and method of powering an external device with a vehicular battery system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.