William C. Chapman
11Patents
4h-index
14Co-inventors
57Inventor score
Filing activity: Jun 5, 1987 → Sep 10, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7072707B2 | Method and apparatus for collecting and processing physical space data for use while performing image-guided surgery | Human Necessities | 344 | Expired |
| US6584339B2 | Method and apparatus for collecting and processing physical space data for use while performing image-guided surgery | Human Necessities | 87 | Expired |
| US4794824A | Adjustable vice-locking end wrench | Performing Operations; Transporting | 9 | Expired |
| US5472774A | Photolithography test structure | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5370923A | Photolithography test structure | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD850820S1 | Modular shelving unit | General | 3 | Active |
| US5040439A | Adjustable wrench | Performing Operations; Transporting | 2 | Expired |
| USD894642S1 | Modular shelving unit | General | 2 | Active |
| US10738661B2 | Lightweight geardrive systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9759098B1 | Valvetrain conversion kit for an engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10947867B2 | Lightweight geardrive systems | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.