Arno Muller
45Patents
15h-index
24Co-inventors
81Inventor score
Filing activity: Jul 23, 1974 → Nov 17, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4775246A | System for detecting unaccounted for printing in a value printing system | Physics | 246 | Expired |
| US4757537A | System for detecting unaccounted for printing in a value printing system | Physics | 239 | Expired |
| US5606613A | Method for identifying a metering accounting vault to digital printer | Physics | 85 | Expired |
| US5377264A | Memory access protection circuit with encryption key | Physics | 39 | Expired |
| US4302821A | Interposer control for electronic postage meter | Physics | 30 | Expired |
| US4564922A | Postage meter with power-failure resistant memory | Physics | 30 | Expired |
| US4507744A | Accessible housing for electronic system | Physics | 30 | Expired |
| US5509109A | Slogan and inscription control system for a mailing machine | Physics | 30 | Expired |
| US6004048A | Apparatus and method for ensuring good print quality in a mail handling system including a fixed printhead/moving mailpiece subsystem | Physics | 27 | Expired |
| US4578774A | System for limiting access to non-volatile memory in electronic postage meters | Physics | 27 | Expired |
| US4285050A | Electronic postage meter operating voltage variation sensing system | Physics | 22 | Expired |
| US5729716A | Memory monitoring circuit for detecting unauthorized memory access | Physics | 22 | Expired |
| US5920850A | Metering system with automatic resettable time lockout | Physics | 22 | Expired |
| US5732245A | Multi-memory access limiting circuit for a multi-memory device | Physics | 20 | Expired |
| US5480239A | Postage meter system having bit-mapped indicia image security | Physics | 17 | Expired |
| US4731728A | Postage meter with means for preventing unauthorized postage printing | Physics | 13 | Expired |
| US6350006B1 | Optical ink drop detection apparatus and method for monitoring operation of an ink jet printhead | Performing Operations; Transporting | 10 | Expired |
| US5664123A | Digital communication I/O port | Physics | 9 | Expired |
| US4807141A | Postage meter with microprocessor controlled reset inhibiting means | Physics | 9 | Expired |
| US5552991A | Control system for an electronic pastage meter having a programmable application specific intergrated circuit | Physics | 9 | Expired |
| US5546112A | Epm having a system for detecting fault conditions of the thermal printhead | Physics | 8 | Expired |
| US4578758A | Electronic postage meter having a regulated power supply system responsive to a voltage developed in a transformer primary winding circuit | Physics | 8 | Expired |
| US4559592A | Electronic postage meter having a switching power supply employing integrated circuit timer | Electricity | 8 | Expired |
| US5187798A | Electronic postage meter having separate funds charge registers and recredits funds register in predetermined amount when funds fall to predetermined level | Physics | 8 | Expired |
| US5696685A | Control system for an electronic postage meter having a programmable print head controller | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.