Douglas E. Proctor
22Patents
5h-index
41Co-inventors
69Inventor score
Filing activity: Dec 28, 1995 → Jan 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7467879B2 | Document illuminator with stepped optical element | Electricity | 12 | Active |
| US5616989A | Fluorescent lamp system including an integrated heater/power harness | Electricity | 8 | Expired |
| US7706030B2 | Document illuminator with parabolic optical element | Electricity | 8 | Active |
| US7755811B2 | Document illuminator | Physics | 7 | Active |
| US6559956B2 | Butted sensor array with supplemental chip in abutment region | Electricity | 7 | Expired |
| US6396218B1 | Multisegment electroluminescent source for a scanner | Electricity | 4 | Expired |
| US7545543B2 | Scanner illuminator systems and methods | Electricity | 3 | Active |
| US7544923B1 | LED signature elimination in specular-mode LED illumination having a light diffuser between an illuminator array and an image bearing surface | Physics | 3 | Active |
| US5898275A | Fluorescent lamp system including light blocking members to create uniform illumination along a florescent lamp | Physics | 3 | Expired |
| US10005229B2 | System for using optical sensor focus to identify feature heights on objects being produced in a three-dimensional object printer | Physics | 3 | Active |
| US7746520B2 | Document illuminator | Electricity | 1 | Active |
| US7715063B2 | CVT integrated illuminator | Electricity | 1 | Active |
| US11574213B1 | Systems and methods for inferring relationships between entities | Physics | 1 | Active |
| US7760434B2 | Document illuminator with surface lens | Electricity | 1 | Active |
| US11760028B2 | System and method for calibrating lag time in a three-dimensional object printer | Performing Operations; Transporting | 0 | Active |
| US10179436B2 | Method for using optical sensor focus to identify feature heights on objects being produced in a three-dimensional object printer | Physics | 0 | Active |
| US10060793B2 | Spectral and spatial calibration illuminator and system using the same | Physics | 0 | Active |
| US7350712B2 | Image sensor module architecture | Physics | 0 | Expired |
| US8610901B2 | Method and apparatus for determining flatness characteristic for reflective facet of polygon assembly | Physics | 0 | Active |
| US10391757B2 | Device for facilitating repetitive manufacture of parts having precisionally positioned components with a three-dimensional object printer | Performing Operations; Transporting | 0 | Active |
| US10493701B2 | System and method for orthogonally arranging ejectors in a three dimensional object printer | Performing Operations; Transporting | 0 | Active |
| US7586082B2 | Optical element for a document illuminator | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.