David E. Havens
17Patents
8h-index
31Co-inventors
68Inventor score
Filing activity: Jan 24, 2002 → Jul 9, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6986855B1 | Structural and optical applications for shape memory polymers (SMP) | Performing Operations; Transporting | 114 | Expired |
| US7422714B1 | Method of using a shape memory material as a mandrel for composite part manufacturing | Performing Operations; Transporting | 47 | Expired |
| US8033237B2 | Environmental condition cumulative tracking integration sensor using shape memory polymer | Physics | 39 | Active |
| US8945325B2 | Methods and systems for forming integral composite parts with a SMP apparatus | Emerging Cross-Sectional Technologies | 14 | Active |
| US8608890B2 | Reconfigurable shape memory polymer tooling supports | Performing Operations; Transporting | 11 | Active |
| US8974217B2 | Reconfigurable shape memory polymer tooling supports | Performing Operations; Transporting | 11 | Active |
| US8668110B1 | Venting mechanisms for containers | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US8951375B2 | Methods and systems for co-bonding or co-curing composite parts using a rigid/malleable SMP apparatus | Emerging Cross-Sectional Technologies | 8 | Active |
| US8356727B2 | Venting mechanisms for containers | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US8734703B2 | Methods and systems for fabricating composite parts using a SMP apparatus as a rigid lay-up tool and bladder | Emerging Cross-Sectional Technologies | 7 | Active |
| US10391684B1 | Cauls and methods of using cauls to produce composite articles | Performing Operations; Transporting | 6 | Active |
| US9073240B2 | Reconfigurable shape memory polymer tooling supports | Performing Operations; Transporting | 4 | Active |
| US8945455B2 | Reconfigurable shape memory polymer support tooling | Performing Operations; Transporting | 4 | Active |
| US8815145B2 | Methods and systems for fabricating composite stiffeners with a rigid/malleable SMP apparatus | Performing Operations; Transporting | 4 | Active |
| US8877114B2 | Method for removing a SMP apparatus from a cured composite part | Emerging Cross-Sectional Technologies | 4 | Active |
| US9180632B2 | Composite self-healing system | Performing Operations; Transporting | 2 | Active |
| US10999052B1 | Cauls and methods of using cauls to produce composite articles | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.