Thomas Callahan
19Patents
9h-index
16Co-inventors
69Inventor score
Filing activity: Mar 23, 1988 → Jan 16, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5467775A | Modular auscultation sensor and telemetry system | Human Necessities | 89 | Expired |
| US6163615A | Circumaural ear cup audio seal for use in connection with a headset, ear defender, helmet and the like | Electricity | 59 | Expired |
| US7594917B2 | Method and apparatus for fixing a graft in a bone tunnel | Human Necessities | 57 | Expired |
| US6438238B1 | Stethoscope | Human Necessities | 48 | Expired |
| US5917918A | In-ear-canal audio receiver and stethoscope having the same | Electricity | 35 | Expired |
| US5578799A | Patient-to-transducer interface device | Human Necessities | 33 | Expired |
| US7162039B1 | Noise barrier apparatus having acoustic wave damping cushions | Electricity | 23 | Expired |
| US5119457A | High-performance electric power cable and connector system | Physics | 23 | Expired |
| US8080013B2 | Method and apparatus for fixing a graft in a bone tunnel | Human Necessities | 20 | Active |
| US8763004B1 | System and method for RF digitization and collection | Physics | 9 | Active |
| US9621201B1 | Systems and methods for emulating an interference environment | Electricity | 8 | Active |
| US4898544A | Flat cable support comb | Electricity | 7 | Expired |
| US10377438B2 | Bicycle frame with integrated accessories | Performing Operations; Transporting | 5 | Active |
| US10943189B2 | System and method for reserving and renting seating | Human Necessities | 0 | Active |
| US8976906B2 | Method for spectrum sensing of multi-carrier signals with equidistant sub-carriers | Electricity | 0 | Active |
| US8982971B2 | System for spectrum sensing of multi-carrier signals with equidistant sub-carriers | Electricity | 0 | Active |
| US9356642B1 | Systems and methods for managing reconfigurable integrated circuit applications on a radiofrequency transceiver device | Physics | 0 | Active |
| US9348608B2 | System and method for registering application and application transforms on a radiofrequency digitization and collection device | Physics | 0 | Active |
| US10303494B2 | System and method for RF digitization and collection | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.