David C. Brown
121Patents
28h-index
112Co-inventors
93Inventor score
Filing activity: Nov 5, 1976 → Jun 29, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6231522A | Biopsy instrument with breakable sample segments | Human Necessities | 208 | Expired |
| US6241687A | Method of use for a biopsy instrument with breakable sample segments | Human Necessities | 198 | Expired |
| US4608996A | External blood parameter diagnostic system | Human Necessities | 118 | Expired |
| US7478325B2 | Methods for providing an accurate visual rendition of a text element formatted with an unavailable font | Physics | 116 | Active |
| US4075714A | Helmet characterized by negative lift | Human Necessities | 103 | Expired |
| US7806929B2 | Intracapsular pseudophakic device | Human Necessities | 96 | Active |
| US6129653A | Heat insulating paper cups | Emerging Cross-Sectional Technologies | 86 | Expired |
| US6065821A | Vertically adjustable shelf and support rail arrangement for use in a cabinet | Mechanical Engineering; Lighting; Heating | 82 | Expired |
| US4909336A | Drill steering in high magnetic interference areas | Fixed Constructions | 71 | Expired |
| US6565934B1 | Heat insulating paper cups | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7228501B2 | Method for selecting a font | Physics | 50 | Expired |
| US4543961A | Data transmission system | Human Necessities | 49 | Expired |
| US7510098B2 | Container employing inner liner and vents for thermal insulation and methods of making same | Performing Operations; Transporting | 46 | Active |
| US7513386B2 | Container employing an inner liner for thermal insulation | Performing Operations; Transporting | 46 | Expired |
| US4733929A | Diffuser fiber incident energy concentrator and method of using same | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4636149A | Differential thermal expansion driven pump | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US4884860A | Linear lens and method for concentrating radiant energy and multiplying phosphor luminance output intensity | Physics | 44 | Expired |
| US7841974B2 | Method of making a container employing inner liner and vents for thermal insulation | Performing Operations; Transporting | 40 | Active |
| US6416829B2 | Heat insulating paper cups | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7487448B2 | Document mark up methods and systems | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5993705A | Methods for conveying containers through an oven to produce heat-insulative foamed layers therethrough | Performing Operations; Transporting | 37 | Expired |
| US5950878A | Dispensing tube valve assembly | Human Necessities | 35 | Expired |
| US6803913B1 | Warping text along a curved path | Physics | 32 | Expired |
| US6446822B1 | Nursing bottle | Human Necessities | 32 | Expired |
| US7221552B1 | Wearable shield and self-defense device | Mechanical Engineering; Lighting; Heating | 31 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.