John S. Batchelder
22Patents
18h-index
21Co-inventors
77Inventor score
Filing activity: Apr 17, 1986 → Sep 3, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5303141A | Model generation system having closed-loop extrusion nozzle positioning | Emerging Cross-Sectional Technologies | 361 | Expired |
| US5402351A | Model generation system having closed-loop extrusion nozzle positioning | Emerging Cross-Sectional Technologies | 163 | Expired |
| US5220403A | Apparatus and a method for high numerical aperture microscopic examination of materials | Physics | 156 | Expired |
| US5312224A | Conical logarithmic spiral viscosity pump | Emerging Cross-Sectional Technologies | 142 | Expired |
| US5177559A | Dark field imaging defect inspection system for repetitive pattern integrated circuits | Physics | 127 | Expired |
| US5208648A | Apparatus and a method for high numerical aperture microscopic examination of materials | Physics | 102 | Expired |
| US4740708A | Semiconductor wafer surface inspection apparatus and method | Physics | 72 | Expired |
| US5860472A | Fluid transmissive apparatus for heat transfer | Mechanical Engineering; Lighting; Heating | 63 | Expired |
| US5037202A | Measurement of size and refractive index of particles using the complex forward-scattered electromagnetic field | Physics | 49 | Expired |
| US5192870A | Optical submicron aerosol particle detector | Physics | 48 | Expired |
| US5823249A | Manifold for controlling interdigitated counterstreaming fluid flows | Electricity | 44 | Expired |
| US4969198A | System for automatic inspection of periodic patterns | Physics | 42 | Expired |
| US5133602A | Particle path determination system | Physics | 36 | Expired |
| US5116583A | Suppression of particle generation in a modified clean room corona air ionizer | Electricity | 30 | Expired |
| US5061070A | Particulate inspection of fluids using interferometric light measurements | Physics | 21 | Expired |
| US5884691A | Fluid transmissive moderated flow resistance heat transfer unit | Electricity | 21 | Expired |
| US4771468A | System for automatic inspection of periodic patterns | Physics | 20 | Expired |
| US5343290A | Surface particle detection using heterodyne interferometer | Physics | 19 | Expired |
| US5316970A | Generation of ionized air for semiconductor chips | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5294806A | Optical submicron aerosol particle detector | Physics | 10 | Expired |
| US5158690A | Thermophoretic filtering of liquids | Physics | 9 | Expired |
| US5432670A | Generation of ionized air for semiconductor chips | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.