David C. Collins
37Patents
11h-index
45Co-inventors
75Inventor score
Filing activity: Feb 8, 1989 → Apr 5, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7296990B2 | Systems and methods of solid freeform fabrication with translating powder bins | Performing Operations; Transporting | 87 | Active |
| US7497977B2 | Methods and systems for producing an object through solid freeform fabrication by varying a concentration of ejected material applied to an object layer | Emerging Cross-Sectional Technologies | 82 | Expired |
| US7435072B2 | Methods and systems for producing an object through solid freeform fabrication | Performing Operations; Transporting | 60 | Expired |
| US7389154B2 | Fabricating a three-dimensional object | Performing Operations; Transporting | 30 | Expired |
| US6637561B1 | Vehicle suspension system | Performing Operations; Transporting | 29 | Expired |
| US6983188B2 | Scheduling system | Physics | 24 | Expired |
| US7239523B1 | Electronic assembly with modular midplane | Electricity | 20 | Expired |
| US6418856B2 | Passive steering assembly for a guided vehicle | Performing Operations; Transporting | 16 | Expired |
| US8033812B2 | Systems to produce an object through solid freeform fabrication | Performing Operations; Transporting | 15 | Active |
| US7267442B2 | Pixelated color wobulation | Electricity | 14 | Expired |
| US7229144B2 | Method for aligning multiple nozzle members in a solid free form fabrication tool | Performing Operations; Transporting | 12 | Expired |
| US7625512B2 | Method and a system for producing an object using solid freeform fabrication | Performing Operations; Transporting | 9 | Active |
| US6586732B2 | Atmospheric pressure ionization ion mobility spectrometry | Electricity | 9 | Expired |
| US7657118B2 | Generating and displaying spatially offset sub-frames using image data converted from a different color space | Physics | 8 | Active |
| US7645403B2 | Method of improving color quality in an object produced by solid freeform fabrication | Performing Operations; Transporting | 6 | Expired |
| US7086736B2 | Display system with sequential color and wobble device | Physics | 6 | Expired |
| US7255448B2 | Pixelated color management display | Electricity | 5 | Expired |
| US6308636A | In-vehicle switch mechanism | Performing Operations; Transporting | 5 | Expired |
| US8016359B2 | Vehicle armrest | Emerging Cross-Sectional Technologies | 5 | Active |
| US7422713B2 | Hybrid organic-inorganic composition for solid freeform fabrication | Chemistry; Metallurgy | 5 | Active |
| US7668398B2 | Generating and displaying spatially offset sub-frames using image data with a portion converted to zero values | Physics | 4 | Active |
| US7600874B2 | Pixelated color wobulation | Electricity | 4 | Active |
| USD324265S | Liquid heater which operates on solar energy or any other energy source | General | 3 | Expired |
| US8779333B2 | Column heater | Physics | 2 | Active |
| US7660485B2 | Generating and displaying spatially offset sub-frames using error values | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.