John C. Day
8Patents
3h-index
31Co-inventors
57Inventor score
Filing activity: Oct 31, 1977 → Oct 5, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4179995A | Snubbed railroad car truck | Performing Operations; Transporting | 48 | Expired |
| US4213433A | Liquid fuel to gas converter for engines | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD1001864S1 | Camera housing | General | 3 | Active |
| US11173267B2 | Adjustable tracheostoma valve and heat and moisture exchanger | Human Necessities | 2 | Active |
| US8377844B2 | Thermally-insulating layers and direct thermal imaging members containing same | Performing Operations; Transporting | 1 | Active |
| US10646332B2 | Adjustable baseplate for use with irregular tracheostomas | Human Necessities | 0 | Active |
| US8536544B2 | Apparatus and a method of determining the presence of an alumina layer on a surface of a component | Physics | 0 | Active |
| US12400452B2 | Non-contact temperature measurement in thermal imaging systems and methods | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.