Robert R. DeWitt
86Patents
23h-index
47Co-inventors
88Inventor score
Filing activity: Dec 23, 1976 → Oct 11, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7861844B2 | Method and apparatus for sorting items | Emerging Cross-Sectional Technologies | 236 | Active |
| US5926392A | System and method for automated document processing | Physics | 120 | Expired |
| US8104601B2 | Method and apparatus for delivering items to destination areas | Emerging Cross-Sectional Technologies | 109 | Active |
| US4863037A | Apparatus for the automated processing of bulk mail and the like | Emerging Cross-Sectional Technologies | 88 | Expired |
| US8276740B2 | Material handling apparatus for sorting or retrieving items | Emerging Cross-Sectional Technologies | 86 | Active |
| US8622194B2 | Material handling apparatus for delivering or retrieving items | Emerging Cross-Sectional Technologies | 81 | Active |
| US9010517B2 | Material handling apparatus for delivering or retrieving items | Emerging Cross-Sectional Technologies | 77 | Active |
| US5558232A | Apparatus for sorting documents | Emerging Cross-Sectional Technologies | 66 | Expired |
| US9334116B2 | Method and apparatus for sorting or retreiving items | Performing Operations; Transporting | 54 | Active |
| US9815625B2 | Method and apparatus for sorting or retrieving items | Performing Operations; Transporting | 54 | Active |
| US5842577A | Method and apparatus for sorting and acquiring image data for documents | Physics | 50 | Expired |
| US5460273A | Apparatus for the automated processing of bulk mail having varied characteristics | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5310062A | Apparatus for automated mail extraction and remittance processing | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5464099A | Method for the automated processing of documents and bulk mail | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5052168A | Method and apparatus for spreading open envelopes | Performing Operations; Transporting | 37 | Expired |
| US6303889A | Method and apparatus for sorting documents into a pre-defined sequence | Performing Operations; Transporting | 34 | Expired |
| US5810173A | Method and system for processing documents | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6112902A | Method and apparatus for sorting and acquiring image data for documents | Physics | 29 | Expired |
| US9687883B2 | Material handling apparatus for delivering or retrieving items | Emerging Cross-Sectional Technologies | 28 | Active |
| US10071857B2 | Method and apparatus for sorting or retreiving items | Performing Operations; Transporting | 26 | Active |
| US5054620A | Apparatus for the automated processing of bulk mail and the like | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6311846A | Method and apparatus for sorting and acquiring image data for documents | Physics | 24 | Expired |
| US10052661B2 | Material handling apparatus for delivering or retrieving items | Emerging Cross-Sectional Technologies | 23 | Active |
| US5054700A | Apparatus for the automated processing of bulk mail and the like | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7767925B2 | System and method for automated document processing | Emerging Cross-Sectional Technologies | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.