Charles E. Davis
23Patents
10h-index
21Co-inventors
75Inventor score
Filing activity: Aug 29, 1977 → Jan 5, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4115885A | Water cushion and method of using the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5142861A | Nonlinear electromagnetic propulsion system and method | Electricity | 25 | Expired |
| US4490162A | Low pressure HEPA filtration system for particulate matter | Performing Operations; Transporting | 24 | Expired |
| US4305555A | Solar energy system with relay satellite | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5060886A | Quick change wheel landing gear | Performing Operations; Transporting | 14 | Expired |
| US5064281A | Method and apparatus for simplifying and improving consistency of color grading of gemstones | Physics | 13 | Expired |
| US6479466B1 | Compositions for treating viral infections, and methods therefor | Human Necessities | 12 | Expired |
| US5005971A | Method and apparatus for simplifying and improving consistency of color grading of gemstones | Physics | 11 | Expired |
| US4946478A | Particulate collection and dewatering means for airborne particulate matter | Performing Operations; Transporting | 11 | Expired |
| US5194116A | Assembly with flexible glue wheel for application of adhesive of book block | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4660989A | Agitator shaft bottom bearing assembly | Performing Operations; Transporting | 8 | Expired |
| US4828187A | Particulate separation chamber and bag disposal means in a negative pressure system for collection of hazardous material | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7247865B2 | System and method of detecting, neutralizing, and containing suspected contaminated articles | Human Necessities | 5 | Expired |
| US4494647A | Cleaning assembly for a dryer feed chute | Performing Operations; Transporting | 3 | Expired |
| USD289534S | Toy trackway | General | 3 | Expired |
| US10786705B2 | Exercise machines for leg strengthening | Human Necessities | 3 | Active |
| US6780418B1 | Reagents and immunoassay for the detection and quantitative determination of mycothiol and precursors thereof | Physics | 2 | Expired |
| USD1042045S1 | Plastic cake cover | General | 1 | Active |
| US7863242B2 | Compositions for down-regulation of CCR5 expression and methods of use thereof | Human Necessities | 1 | Active |
| US8311662B2 | Document profile detection | Performing Operations; Transporting | 0 | Active |
| US11364242B2 | Treatment agents for inhibiting HIV and cancer in HIV infected patients | Human Necessities | 0 | Active |
| US8319624B2 | System and method for disclosing unauthorized removal of articles from secured premises | Physics | 0 | Active |
| US8681003B2 | System and method for disclosing unauthorized removal of articles from secured premises | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.