Alton B. Eckert
59Patents
19h-index
30Co-inventors
80Inventor score
Filing activity: Oct 16, 1973 → Feb 25, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3978457A | Microcomputerized electronic postage meter system | Physics | 165 | Expired |
| US4097923A | Remote postage meter charging system using an advanced microcomputerized postage meter | Physics | 137 | Expired |
| US4649266A | Method and apparatus for verifying postage | Physics | 108 | Expired |
| US4301507A | Electronic postage meter having plural computing systems | Physics | 100 | Expired |
| US4641346A | System for the printing and reading of encrypted messages | Physics | 89 | Expired |
| US3938095A | Computer responsive postage meter | Physics | 81 | Expired |
| US4271481A | Micro computerized electronic postage meter system | Physics | 50 | Expired |
| US4306299A | Postage meter having means transferring data from a working memory to a non-volatile memory under low power conditions | Physics | 47 | Expired |
| US4180856A | Electronic postage metering system | Physics | 39 | Expired |
| US4579054A | Stand-alone electronic mailing machine | Physics | 37 | Expired |
| US4829568A | System for the printing and reading of encrypted messages | Emerging Cross-Sectional Technologies | 33 | Expired |
| US4280180A | Electronic postage meter having field resettable control values | Physics | 32 | Expired |
| US4302821A | Interposer control for electronic postage meter | Physics | 30 | Expired |
| US4534018A | Non-volatile memory protection circuit with microprocessor interaction | Physics | 27 | Expired |
| US4287825A | Printing control system | Physics | 25 | Expired |
| US4424573A | System for entering a postage meter serial number into a nonvolatile memory from an external channel after assembly of the meter | Physics | 24 | Expired |
| US4377739A | Average power control apparatus and method | Physics | 22 | Expired |
| US4445198A | Memory protection circuit for an electronic postage meter | Physics | 21 | Expired |
| US4422148A | Electronic postage meter having plural computing systems | Physics | 19 | Expired |
| US4525785A | Electronic postage meter having plural computing system | Physics | 17 | Expired |
| US4547853A | Electronic postage meter reset circuit | Physics | 16 | Expired |
| US4283721A | Electronic postage meter having check date warning | Physics | 15 | Expired |
| US4376981A | Electronic postage metering system | Physics | 15 | Expired |
| US4442501A | Electronic postage meter with weak memory indication | Physics | 15 | Expired |
| US4675841A | Micro computerized electronic postage meter system | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.