PDA Engineering
11Patents
0Active
11Granted
32Portfolio score
Filing activity: Aug 27, 1979 → Feb 14, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4992133A | Apparatus for processing composite materials | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4501058A | Method of pre-stressing a structural member | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4841730A | Thermal actuator | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US5113049A | Flexible induction heating coil | Electricity | 19 | Expired |
| US4294559A | Pre-stressed structural joint | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4487478A | Laser protection device | Physics | 13 | Expired |
| US4439392A | Method and apparatus for making a glass laminated structure | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4648802A | Radial flow rotor with inserts and turbine utilizing the same | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5089063A | Method for providing adhesion to a metal surface | Chemistry; Metallurgy | 4 | Expired |
| US4806191A | Glass laminated structure injection molding and laminating apparatus | Performing Operations; Transporting | 3 | Expired |
| US4999246A | Glass laminated structure, laminating apparatus, and methodology | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.