David Sobel
26Patents
7h-index
20Co-inventors
69Inventor score
Filing activity: Feb 7, 1977 → Nov 17, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4428135A | Picture frame assemblies | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US4531315A | Bracket for picture frame | Mechanical Engineering; Lighting; Heating | 38 | Expired |
| US4651988A | Hand held exercise device | Human Necessities | 34 | Expired |
| US4590834A | Apparatus for simultaneously cutting a plurality of picture frame mats | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4420138A | Self-locking picture frame clip | Human Necessities | 20 | Expired |
| US9977519B2 | Active pen with bidirectional communication | Physics | 11 | Active |
| US4157624A | Picture frame and method for making same | Physics | 7 | Expired |
| US10228797B2 | Continuous time anti-alias filter for capacitive touch sensing | Physics | 3 | Active |
| USD293124S | Handle for exercise device | General | 3 | Expired |
| US10203809B2 | Interference detection | Physics | 3 | Active |
| US4631997A | Method for simultaneously cutting a plurality of picture frame mats | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10353518B2 | Touch controller with signal combining and simultaneous I/Q demodulation | Physics | 3 | Active |
| US8190446B2 | Enhanced system and method for enhancing and supplementing the informed consent process of a patient undergoing a medical procedure | Physics | 2 | Active |
| US10686432B2 | Waveform generation circuit for finely tunable sensing frequency | Electricity | 1 | Active |
| US8600775B1 | Enhanced system and method for enhancing and supplementing the informed consent process of a patient undergoing a medical procedure | Physics | 1 | Active |
| US11093093B2 | Transcapacitive and absolute capacitive sensing profiles | Physics | 1 | Active |
| US10122346B2 | Coefficient generation for digital filters | Electricity | 1 | Active |
| US10983553B2 | System and method for synchronizing sensing signals of integrated circuit chips | Physics | 0 | Active |
| US11822377B2 | Timebase synchronization using pulsed signal injection | Physics | 0 | Active |
| US11199458B2 | Force sensing input device utilizing strain gauges | Physics | 0 | Active |
| US11860730B2 | Low-overhead, bidirectional error checking for a serial peripheral interface | Physics | 0 | Active |
| US9900028B1 | Decimation filtering in systems having parallel analog-to-digital converter channels | Electricity | 0 | Active |
| US12169420B2 | Timebase synchronization using pulsed signal injection | Physics | 0 | Active |
| US12216536B2 | Low-overhead, bidirectional error checking for a serial peripheral interface | Physics | 0 | Active |
| US11159150B2 | Waveform generation circuit for finely tunable sensing frequency | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.