Charles S. Davis
16Patents
6h-index
12Co-inventors
63Inventor score
Filing activity: May 23, 1974 → Aug 23, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4116352A | Sealing device | Performing Operations; Transporting | 21 | Expired |
| US4722037A | Holographic device for generating multiple beams of light | Physics | 18 | Expired |
| US4285532A | Book marker | Performing Operations; Transporting | 13 | Expired |
| US4713738A | Light fixture using a holographic optical reflector | Physics | 9 | Expired |
| US4536833A | Lighting fixture utilizing a multi-layered hologram as a lens element | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US4938484A | Game device and system | Human Necessities | 7 | Expired |
| US4704666A | Artificial light source utilizing a holographic optical element to control radiant light | Electricity | 5 | Expired |
| US3966760A | 2-Substituted-5,6-dimethoxyindazoles | Chemistry; Metallurgy | 4 | Expired |
| US8434607B2 | Compact torque transmitting assembly | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10846490B1 | Electronic card reader testing system | Physics | 2 | Active |
| US9109641B2 | Formed friction plate for wet friction clutch | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US4014886A | 2-Substituted-5,6-dimethoxyindazoles | Chemistry; Metallurgy | 1 | Expired |
| US8919517B2 | Clutch plate configuration and method | Emerging Cross-Sectional Technologies | 1 | Active |
| US4014878A | 2-(3-Morpholinopropyl)-5,6-dimethoxy indazole | Chemistry; Metallurgy | 1 | Expired |
| US4009177A | Compound 2-(2-thiazolyl)-5,6-dimethoxyindazoles | Chemistry; Metallurgy | 1 | Expired |
| US4002652A | 2-Substituted-5,6-dimethoxyindazoles | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.