Gerald C. Freeman
46Patents
15h-index
35Co-inventors
81Inventor score
Filing activity: Mar 18, 1975 → Apr 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4119194A | System and apparatus for the orientation and bidirectional feed of indicia bearing mail | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4956782A | Mailing system for mixed weight mail | Physics | 46 | Expired |
| US5723825A | Transport apparatus for a weighing module | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5813327A | Article transport apparatus | Physics | 25 | Expired |
| US4155440A | Document turning station | Performing Operations; Transporting | 24 | Expired |
| US5172783A | Weighing scale with validating reference channel | Physics | 24 | Expired |
| US4540057A | Adjustable inclined plane downstop for a load cell | Physics | 21 | Expired |
| US5190117A | Load cell supporting member and weighing scale incorporating the same | Physics | 19 | Expired |
| US5653417A | Scale locking foot | Physics | 18 | Expired |
| US4751973A | Load cell scale with reference channel for live load correction | Physics | 17 | Expired |
| US5178228A | Scale for determining the weight of an item within a predetermined time | Physics | 16 | Expired |
| US5226496A | Method and apparatus for fast determination of weights | Physics | 16 | Expired |
| US6041569A | Mailing machine having envelope closing and sealing device | Performing Operations; Transporting | 16 | Expired |
| US5640334A | Method of recalibrating electronic scales | Physics | 16 | Expired |
| US4787046A | Mailing system having a capability for one-step postage metering | Physics | 15 | Expired |
| US4753432A | Feeder module | Physics | 15 | Expired |
| US5793652A | Dimensional weighing apparatus | Physics | 14 | Expired |
| US4787048A | Postal weighing apparatus and method | Physics | 13 | Expired |
| US4831273A | Mailing machine sensing device | Physics | 13 | Expired |
| US5190115A | Modular mailing machine with load cell scale | Physics | 13 | Expired |
| US4121403A | Flat mail sorter and loader | Performing Operations; Transporting | 12 | Expired |
| US6006210A | Mailing machine including dimensional rating capability | Physics | 12 | Expired |
| US5740728A | Mailing machine | Physics | 12 | Expired |
| US5917532A | Thermal ink ribbon cassette for mailing machines | Performing Operations; Transporting | 11 | Expired |
| US5521334A | Multiple overload protection for electronic scales | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.