John E. Carlson
34Patents
14h-index
33Co-inventors
81Inventor score
Filing activity: Aug 2, 1976 → Jun 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7981132B2 | Self-conforming surgical seal | Human Necessities | 1,049 | Active |
| US6494893B2 | Trocar system having expandable port | Human Necessities | 340 | Expired |
| US5836913A | Device and method for accessing a body cavity | Human Necessities | 297 | Expired |
| US5814058A | Method and apparatus employing conformable sleeve for providing percutaneous access | Human Necessities | 244 | Expired |
| US6692462B2 | System and method for establishing vascular access | Human Necessities | 208 | Expired |
| US5820600A | Adjustable introducer valve | Human Necessities | 200 | Expired |
| US5827319A | Radially expandable access system having disposable and reusable components | Human Necessities | 182 | Expired |
| US6325812A | Trocar system having expandable port | Human Necessities | 149 | Expired |
| US6292052A | Output amplifier for a discrete filter-less optical reference receiver | Electricity | 39 | Expired |
| US4420829A | Holographic system for the storage of audio, video and computer data | Electricity | 33 | Expired |
| US4755742A | Dual channel time domain reflectometer | Physics | 30 | Expired |
| US4550395A | Holographic system for the storage of audio, video and computer data | Electricity | 28 | Expired |
| US4620947A | Solidification of aqueous radioactive waste using insoluble compounds of magnesium oxide | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7294136B2 | Trocar system having expandable port | Human Necessities | 19 | Expired |
| US6392219B1 | Discrete filter-less optical reference receiver and output amplifier | Electricity | 14 | Expired |
| US7522661B2 | Method of producing a two-dimensional probability density function (PDF) eye diagram and Bit Error Rate eye arrays | Electricity | 12 | Active |
| US6164344A | Sealable recovery vessel system and method for accessing valved containers | Performing Operations; Transporting | 11 | Expired |
| US5973228A | Coniferin beta-glucosidase cDNA for modifying lignin content in plants | Chemistry; Metallurgy | 11 | Expired |
| US6308748A | Sealable recovery vessel system and method for accessing valved containers | Performing Operations; Transporting | 9 | Expired |
| US4137596A | Collapsable brushes | Human Necessities | 9 | Expired |
| US9093955B2 | Asynchronous time-interleaved waveform generator using harmonic mixing | Electricity | 7 | Active |
| US4758736A | Fast transition, flat pulse generator | Electricity | 7 | Expired |
| US4429075A | Cross-linked urea-formaldehyde polymer matrix compositions containing cyclic intermediate structures | Chemistry; Metallurgy | 6 | Expired |
| US4499200A | Compound catalyst system usable for the polymerization or curing of urea-formaldehyde polymeric condensation systems | Chemistry; Metallurgy | 4 | Expired |
| US9609236B2 | Camera and image processing method | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.