David P. Brown
33Patents
9h-index
32Co-inventors
75Inventor score
Filing activity: May 29, 1981 → Aug 19, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4735432A | Articulated vehicle | Performing Operations; Transporting | 75 | Expired |
| US7267813B2 | Inhalation particles incorporating a combination of two or more active ingredients | Human Necessities | 38 | Expired |
| US5351036A | Microwave-based point liquid level monitoring system | Physics | 35 | Expired |
| USD316468S | Telescopic material handling vehicle | General | 33 | Expired |
| US4998691A | U-shaped pipe clamping system | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US6983748B2 | Dry powder inhaler | Human Necessities | 14 | Expired |
| US4391705A | Ballasting digestor covers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7172752B2 | Combination particles for the treatment of asthma | Human Necessities | 11 | Expired |
| US5284139A | Hemometrix temperature compensation | Physics | 10 | Expired |
| US9395851B2 | Touch sensitive film and a touch sensing device | Physics | 9 | Active |
| US5087391A | Servicing mechanism for rotational piping array | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8952907B2 | Touch screen and method for manufacturing a touch screen | Emerging Cross-Sectional Technologies | 8 | Active |
| US4586578A | Articulated vehicle | Performing Operations; Transporting | 8 | Expired |
| US5423895A | Sludge digesters with separate liquid chambers to buoy ballast members | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5171035A | Articulated vehicle with steering linkage | Performing Operations; Transporting | 6 | Expired |
| US8845995B2 | Single, multi-walled, functionalized and doped carbon nanotubes and composites thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US10857315B2 | Inhalation device and method for inhaling powders | Human Necessities | 2 | Active |
| US9133022B2 | Structures comprising high aspect ratio molecular structures and methods of fabrication | Emerging Cross-Sectional Technologies | 1 | Active |
| US9569023B2 | Touch sensitive film, touch sensing device, and electronic device | Physics | 1 | Active |
| US8518726B2 | Uses of a carbon nanobud molecule and devices comprising the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US8871295B2 | Method for separating high aspect ratio molecular structures | Emerging Cross-Sectional Technologies | 1 | Active |
| US10718503B2 | Flexible light-emitting film | Electricity | 0 | Active |
| US10883922B2 | Matter tracking system | Physics | 0 | Active |
| US12370097B2 | Retrofittable frame for a vehicle | Performing Operations; Transporting | 0 | Active |
| US10444141B2 | Systems and methods for tracking particles in a fluid flow | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.