A.I.L., Inc.
27Patents
5Active
27Granted
38Portfolio score
Filing activity: Jul 18, 1985 → Jul 25, 2012 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7623952B2 | GPS controlled guidance system for farm tractor/implement combination | Human Necessities | 89 | Active |
| US5524525A | Rotary servo valve and guidance system apparatus for controlling the same | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4838232A | Fuel delivery control system | Mechanical Engineering; Lighting; Heating | 48 | Expired |
| US5156219A | Positioning apparatus for drawn implement | Human Necessities | 47 | Expired |
| US5170849A | Guidance control system for farm tractor/implement combination | Human Necessities | 24 | Expired |
| US4948049A | Rate control in accumulator type fuel injectors | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5138291A | Proportional solenoid actuator | Electricity | 22 | Expired |
| US5201295A | High pressure fuel injection system | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US5240079A | Guidance control system for farm tractor/implement combination having improved turnaround capability | Human Necessities | 20 | Expired |
| US7490678B2 | GPS controlled guidance system for farm tractor/implement combination | Human Necessities | 17 | Expired |
| US6279666A | Row crop debris clearing apparatus | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8256526B2 | Apparatus and a system for providing guidance control for pull type tongued implements | Human Necessities | 14 | Active |
| US6329845A | Logic gate cell | Electricity | 13 | Expired |
| US5056469A | Fuel injection system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5026462A | Method and apparatus for electrochemical machining of spray holes in fuel injection nozzles | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5362209A | Proportional solenoid actuator and pump system including same | Electricity | 8 | Expired |
| US5582255A | Guidance system having adjustable width capability | Human Necessities | 8 | Expired |
| US8776701B2 | Row crop fertilizer applying apparatus | Human Necessities | 7 | Active |
| US5732780A | Implement for making angled water retention depressions and mounds | Human Necessities | 7 | Expired |
| US6509761B2 | Logical circuit | Electricity | 6 | Expired |
| US6354429B2 | Agricultural crop material windrow inverting method and apparatus | Human Necessities | 6 | Expired |
| US4879985A | Timing and speed sensor for fuel injection pump | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4889092A | Fuel viscosity/density compensation device | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8109070B1 | Dual windrow crop inverting and combining apparatus and method | Human Necessities | 3 | Active |
| US4850321A | Preloaded compliant linkage for fuel injection pump rack | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.