Naan Mechanical Works
9Patents
0Active
9Granted
28Portfolio score
Filing activity: Feb 4, 1981 → May 13, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4687143A | Drip irrigation apparatus | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4423838A | Selectable separation and capacity irrigation line | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4728042A | Drip irrigation process | Emerging Cross-Sectional Technologies | 43 | Expired |
| US4540125A | Rotary sprinkler having selectable area coverage | Emerging Cross-Sectional Technologies | 38 | Expired |
| US4519546A | Drip irrigation apparatus | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5115977A | Sprinkler | Performing Operations; Transporting | 31 | Expired |
| US4655397A | Vortex dripper | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4760959A | Drive arm deflector for a rotary impact sprinkler | Performing Operations; Transporting | 16 | Expired |
| US4402460A | Rotary sprinkler | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.