Robert Ziegler
31Patents
13h-index
20Co-inventors
81Inventor score
Filing activity: Dec 29, 1994 → Nov 14, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5475677A | Compatible licensed and unlicensed band portable handset unit for TDMA wireless communications system | Electricity | 130 | Expired |
| US5708681A | Hybrid analog/digital method and apparatus for controlling the transmission power level of a radio transceiver | Electricity | 129 | Expired |
| US7387240B2 | System and method of secure information transfer | Electricity | 70 | Expired |
| US7526652B2 | Secure PIN management | Electricity | 35 | Expired |
| USD588020S1 | Container | General | 28 | Expired |
| US5636208A | Technique for jointly performing bit synchronization and error detection in a TDM/TDMA system | Electricity | 28 | Expired |
| USD653123S1 | Container | General | 25 | Expired |
| USD588016S1 | Container | General | 24 | Expired |
| USD588021S1 | Container | General | 24 | Expired |
| USD588017S1 | Container | General | 23 | Expired |
| USD653563S1 | Container | General | 20 | Expired |
| USD599678S1 | Container | General | 19 | Expired |
| USD599677S1 | Container | General | 18 | Expired |
| USD621724S1 | Container | General | 10 | Expired |
| USD653562S1 | Container | General | 10 | Expired |
| USD652741S1 | Container | General | 8 | Expired |
| US8074825B1 | Dispensing closure for selectively dispensing material from a multi-chambered container | Emerging Cross-Sectional Technologies | 8 | Active |
| USD587129S1 | Hand-held food package | General | 8 | Expired |
| USD618564S1 | Container | General | 8 | Expired |
| USD618563S1 | Container | General | 7 | Expired |
| USD750503S1 | Can | General | 7 | Active |
| USD615875S1 | Hand-held food package | General | 5 | Expired |
| USD587130S1 | Hand-held food package | General | 3 | Expired |
| US8403174B2 | Snap resealing closure for a container | Performing Operations; Transporting | 3 | Active |
| US11373936B2 | Flat no-leads package, packaged electronic component, printed circuit board and measurement device | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.