John J. Howarth
13Patents
11h-index
5Co-inventors
65Inventor score
Filing activity: May 12, 1975 → Jun 17, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4957770A | Coating weight measuring and control apparatus and method | Physics | 62 | Expired |
| US4006358A | Method and apparatus for measuring the amount of moisture that is associated with a web of moving material | Physics | 34 | Expired |
| US4319847A | Apparatus to measure select properties of a moving sheet with improved standardization means | Physics | 31 | Expired |
| US5338361A | Multiple coat measurement and control apparatus and method | Physics | 28 | Expired |
| US4928013A | Temperature insensitive moisture sensor | Physics | 26 | Expired |
| US4277177A | Apparatus to measure select properties of a moving sheet | Physics | 24 | Expired |
| US5455422A | Multiple coat measurement and control apparatus and method | Physics | 20 | Expired |
| US4715715A | System for measuring the color of a material | Physics | 16 | Expired |
| US3994602A | Optical reflectance gauge and method therefor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US3965356A | Apparatus for measuring a predetermined characteristic of a material using two or more wavelengths of radiation | Physics | 14 | Expired |
| US4830504A | Gloss gauge | Physics | 13 | Expired |
| US4012197A | Titration apparatus and method therefor | Physics | 4 | Expired |
| US4104028A | Method of titrating liquor | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.