Robert Carl Barrett
30Patents
22h-index
31Co-inventors
85Inventor score
Filing activity: Sep 21, 1977 → Feb 11, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5727129A | Network system for profiling and actively facilitating user activities | Physics | 750 | Expired |
| US5689384A | Timing based servo system for magnetic tape systems | Physics | 371 | Expired |
| US6549933B1 | Managing, accessing, and retrieving networked information using physical objects associated with the networked information | Physics | 250 | Expired |
| US6400381B1 | Web places | Physics | 182 | Expired |
| US6581059B1 | Digital persona for providing access to personal information | Emerging Cross-Sectional Technologies | 148 | Expired |
| US6377983B1 | Method and system for converting expertise based on document usage | Emerging Cross-Sectional Technologies | 138 | Expired |
| US6282051A | Timing based servo system for magnetic tape systems | Physics | 129 | Expired |
| US6021013A | Timing based servo system for magnetic tape systems | Physics | 123 | Expired |
| US6356898B2 | Method and system for summarizing topics of documents browsed by a user | Emerging Cross-Sectional Technologies | 115 | Expired |
| US5570111A | Graphical user interface cursor positioning device having a negative inertia transfer function | Physics | 98 | Expired |
| US5930065A | Timing based servo longitudinal addressing | Physics | 92 | Expired |
| US6462904B1 | Timing based servo system for magnetic tape systems | Physics | 84 | Expired |
| US6320719A | Timing based servo system for magnetic tape systems | Physics | 77 | Expired |
| US6490584B2 | User-centered push methods and system | Emerging Cross-Sectional Technologies | 65 | Expired |
| US5908467A | System and method for displaying file parameters | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5132934A | Method and apparatus for storing digital information in the form of stored charges | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6611876B1 | Method for establishing optimal intermediate caching points by grouping program elements in a software system | Electricity | 53 | Expired |
| US6572134B2 | Multi-feature stroller and infant car seat | Performing Operations; Transporting | 52 | Expired |
| US5442881A | Pressure-fit gate assembly | Fixed Constructions | 50 | Expired |
| US6128668A | Selective transformation of multimedia objects | Electricity | 41 | Expired |
| US7044548B2 | Child vehicle seat having permanently attached latch system | Performing Operations; Transporting | 33 | Expired |
| US5845724A | Children's ride-on vehicle with an auxilliary control mechanism | Performing Operations; Transporting | 32 | Expired |
| US6005990A | System for optically scanning images using optical shutter | Electricity | 16 | Expired |
| US6178471A | Method of sharing buffers for the streaming of unchanged data | Physics | 4 | Expired |
| US4178008A | Side by side bicycle | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.