Macawber Engineering, Inc.
5Patents
0Active
5Granted
27Portfolio score
Filing activity: Apr 22, 1976 → May 28, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4137935A | Valve assembly | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4515503A | Method and apparatus for unblocking conveying pipes for particulate material | Performing Operations; Transporting | 41 | Expired |
| US4834587A | Pneumatic conveying system | Performing Operations; Transporting | 26 | Expired |
| US4073244A | Material handling apparatus | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4059195A | Material handling device | Performing Operations; Transporting | 22 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.