John R. Ladd
4Patents
2h-index
6Co-inventors
41Inventor score
Filing activity: May 28, 1974 → Nov 4, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3991120A | Hydroxyethoxyphenyl chloroethylene compound | Chemistry; Metallurgy | 5 | Expired |
| US9655688B2 | Dental instrument | Human Necessities | 3 | Active |
| US9038607B2 | Air cooler and method for operation of an air cooler | Emerging Cross-Sectional Technologies | 2 | Active |
| US3933850A | Method for making N,N'-methylene bismaleimides and products made therefrom | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.