Donald J. Brown
26Patents
13h-index
21Co-inventors
81Inventor score
Filing activity: Jan 6, 1976 → Jul 20, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4300318A | Cabinet for use in abrasive blasting system | Performing Operations; Transporting | 52 | Expired |
| US4060310A | Detachable modular drive unit for projection screen apparatus | Physics | 45 | Expired |
| US4232487A | Abrading device | Performing Operations; Transporting | 40 | Expired |
| US4375740A | Portable abrading cabinet device for recycling abrasive blasting system | Performing Operations; Transporting | 30 | Expired |
| US6298754A | Wrench for firefighters | Performing Operations; Transporting | 24 | Expired |
| US4169658A | Picture screen | Physics | 20 | Expired |
| US4072404A | Control mechanism for positioning projection screen in closed position | Physics | 20 | Expired |
| US4395850A | Adapter device for tools of an abrasive blasting system | Performing Operations; Transporting | 18 | Expired |
| US4059339A | Brake mechanism for motor driven projection screen | Physics | 16 | Expired |
| US4045123A | Control device to position projection screen for viewing | Physics | 16 | Expired |
| US6063294A | Uniform area shower for disc filter | Performing Operations; Transporting | 15 | Expired |
| US5968372A | Logic controlled traversing shower | Performing Operations; Transporting | 15 | Expired |
| US4207979A | Tray for sorting and storing photographic transparency slides | Emerging Cross-Sectional Technologies | 15 | Expired |
| US9095414B2 | Nonlinear optical photodynamic therapy (NLO-PDT) of the cornea | Human Necessities | 9 | Active |
| US6343794B1 | Lubricant seal having partition plate with gutter for drive motor gears and the like | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4152852A | Transparency viewer assembly | Physics | 6 | Expired |
| US7013843B1 | Downdraft boiler with turbulators | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6726206B2 | Turtledice island board game | Human Necessities | 4 | Expired |
| US4206559A | Supporting leg assembly for an illuminated transparency viewer | Physics | 3 | Expired |
| US6098963A | Fill-in-place humidifier | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4385462A | Illuminated transparency viewing system with overlay device and film clips | Physics | 2 | Expired |
| US7677855B2 | Conditioned sheets for binding and method/apparatus for making same | Emerging Cross-Sectional Technologies | 2 | Active |
| US4213260A | Overlay device for use with an illuminated transparency viewer | Physics | 1 | Expired |
| US7401743B2 | Holding bracket for hot-water baseboard | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10292865B2 | Nonlinear optical photodynamic therapy (NLO-PDT) of the cornea | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.