Charles M. Rischar
73Patents
16h-index
88Co-inventors
87Inventor score
Filing activity: Aug 26, 1987 → Sep 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7797060B2 | Prioritization associated with controller engine instances | Emerging Cross-Sectional Technologies | 195 | Active |
| US7447931B1 | Step time change compensation in an industrial automation network | Electricity | 85 | Active |
| US4858101A | Programmable controller with parallel processors | Physics | 82 | Expired |
| US7656751B2 | Step time change compensation in an industrial automation network | Electricity | 75 | Active |
| US5636124A | Multitasking industrial controller | Emerging Cross-Sectional Technologies | 56 | Expired |
| US5287548A | Programmable controller having a stored program with both machine language instructions and source code data | Physics | 49 | Expired |
| US7541920B2 | Alarm/event encryption in an industrial environment | Emerging Cross-Sectional Technologies | 46 | Active |
| US7657333B2 | Adjustment of data collection rate based on anomaly detection | Emerging Cross-Sectional Technologies | 43 | Active |
| US5887029A | Method of scheduling spatially separated control events with an industrial controller | Electricity | 43 | Expired |
| US5844795A | Diagnostic aid for industrial controller using multi-tasking architecture | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5781776A | Industrial controller permitting program editing during program execution | Physics | 33 | Expired |
| US5819097A | Industrial controller compiler with expandable instruction set | Physics | 29 | Expired |
| US5619409A | Program analysis circuitry for multi-tasking industrial controller | Physics | 26 | Expired |
| US5812133A | Industrial controller with display of rung execution | Emerging Cross-Sectional Technologies | 22 | Expired |
| US9958860B2 | Systems and methods for broadcasting data and data tags associated with an industrial automation system | Emerging Cross-Sectional Technologies | 19 | Active |
| US7487316B1 | Archive and restore system and methodology for on-line edits utilizing non-volatile buffering | Physics | 18 | Expired |
| US7675406B2 | Generation of timestamps within field devices | Emerging Cross-Sectional Technologies | 15 | Active |
| US7027880B2 | Safety controller providing rapid recovery of safety program data | Physics | 14 | Expired |
| US8200591B2 | Self-organized distributed directory | Emerging Cross-Sectional Technologies | 13 | Active |
| US8229575B2 | Automatically adjustable industrial control configuration | Emerging Cross-Sectional Technologies | 13 | Active |
| US7996093B2 | Automatic controller relationship resolution | Physics | 11 | Active |
| US7870223B2 | Services associated with an industrial environment employing controller engine instances | Physics | 11 | Active |
| US8606928B2 | Diverse network relative addressing resolution | Electricity | 10 | Active |
| US7721273B1 | Controller equipment model systems and methods | Physics | 9 | Active |
| US7853336B2 | Dynamic versioning utilizing multiple controller engine instances to limit complications | Emerging Cross-Sectional Technologies | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.