David Nelson
20Patents
9h-index
10Co-inventors
72Inventor score
Filing activity: Feb 2, 1978 → Dec 17, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4259067A | Combined saliva ejector, tongue retractor and throat protector | Human Necessities | 60 | Expired |
| USD497509S1 | Straw with angled output | General | 41 | Expired |
| US4852122A | Modem suited for wireless communication channel use | Electricity | 27 | Expired |
| USD497764S1 | Straw with angled output | General | 18 | Expired |
| US9144421B1 | Optimization of acoustic window and target depth for transabdominal ultrasound treatment or imaging of the uterus | Human Necessities | 14 | Active |
| US7040547B1 | Straw with angled output | Human Necessities | 12 | Expired |
| US5574749A | Line interface apparatus and method for isolating data terminal equipment from the line | Electricity | 10 | Expired |
| US6686520B2 | Inbred corn line W60028 | Human Necessities | 10 | Expired |
| US5052023A | Method and apparatus for received signal equalization | Electricity | 9 | Expired |
| US5661726A | Advanced communication system architecture | Electricity | 6 | Expired |
| US5517523A | Bridge-tap equalizer method and apparatus | Electricity | 5 | Expired |
| US6178312A | Mechanism for automatically tuning transceiver frequency synthesizer to frequency of transmit/receiver filter | Electricity | 4 | Expired |
| US5732124A | Apparatus and method for detecting the status of a PCM channel | Electricity | 4 | Expired |
| US6635808B1 | Inbred corn line JCR503 | Human Necessities | 3 | Expired |
| US7399913B1 | Inbred corn line G06-NP2899 | Human Necessities | 2 | Active |
| US7351889B1 | Inbred corn line G06-NP2873 | Human Necessities | 1 | Expired |
| US6965756B2 | RF loopback test apparatus for data radio transceiver | Electricity | 1 | Expired |
| US7022903B2 | Inbred corn line W69079 | Human Necessities | 1 | Expired |
| US6996057B2 | Integrated RF loopback test apparatus for redundant data radio transceiver system | Electricity | 1 | Expired |
| US4148371A | Load cell scale | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.