James W. Henry
178Patents
17h-index
83Co-inventors
89Inventor score
Filing activity: Apr 21, 1976 → Mar 9, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4063679A | Carton with triangular sides | Performing Operations; Transporting | 81 | Expired |
| US10178823B2 | Agricultural implement with automatic shank depth control | Human Necessities | 79 | Active |
| US4247784A | Measurement of material level in vessels | Physics | 70 | Expired |
| US9144190B2 | Particulate material delivery system for variable rate sectional control | Fixed Constructions | 64 | Active |
| US8235130B2 | Method and apparatus for controlling the depth of an agricultural work unit mounted to a frame that can be raised and lowered by a cylinder assembly | Human Necessities | 35 | Active |
| US4793743A | Air seeder purging system | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5687798A | Down-pressure system for agricultural implement | Human Necessities | 31 | Expired |
| US4717289A | Horizontally disposed apparatus for the random distribution of seeds and granular materials | Human Necessities | 28 | Expired |
| US9826677B2 | Seed implement incorporating a down pressure sensing and adjustment system | Human Necessities | 28 | Active |
| US8928486B2 | Pressure-based blockage detection system and method in crop production systems | Physics | 26 | Active |
| US5983813A | Seeding material spreader and optional adjustment means | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4232336A | Inspection of elongated material | Electricity | 21 | Expired |
| US6405665B1 | Low disturbance furrowing, seeding, and fertilizing tool | Human Necessities | 21 | Expired |
| US4813489A | Foldable packer harrow implement | Human Necessities | 19 | Expired |
| US4240110A | Inspection of elongated material | Physics | 19 | Expired |
| US6640731B1 | Dual tungsten carbide boot | Human Necessities | 18 | Expired |
| US10561052B2 | Automatic fore/aft leveling trim function in a towable tillage implement | Human Necessities | 17 | Active |
| US9516805B2 | Particulate material delivery system | Fixed Constructions | 16 | Active |
| US4415926A | Inspection of elongated material | Physics | 15 | Expired |
| US9585298B2 | Agricultural implement actuator sensor projection | Human Necessities | 15 | Active |
| US9888622B2 | Air flow control of a distribution head for agricultural products | Human Necessities | 14 | Active |
| US10575459B2 | Product distribution control system for an agricultural system | Human Necessities | 13 | Active |
| US9516796B2 | Agricultural tillage implement wheel control | Human Necessities | 12 | Active |
| US4517891A | Control linkage for continuous roll baling machine | Human Necessities | 12 | Expired |
| US9609800B2 | Remote leveling of tillage implements using inclinometers | Human Necessities | 12 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.